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We've had to turn off the PPSSieve app. It's missing factors.
Ken's written a new version, but we need help building and testing it. More details later.
____________
My lucky number is 75898^{524288}+1 



We're suffering from a lack of ATI hardware, and also a lack of available time.
If anyone is able to build the Windows versions of the new ATI app, it's located here:
https://github.com/Keng6/PSieveCUDA/tree/redcl
We then need one or more people to test it.
____________
My lucky number is 75898^{524288}+1 


Ken_g6Volunteer developer
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A few more details.
I can and have built the Linux versions of the app. No problems there.
I was able to build the Windows version without BOINC. I was also able to build the BOINC libraries. But I wasn't able to compile them together. When I asked about the error, the response wasn't helpful considering the instructions still say to use a compiler not supported on the latest BOINC libraries. I may try this again next weekend if no one else comes up with anything.
And I have no chance of building anything for Mac.
Oh, and you want this new version built. It might not fix everything, but it will fail fast if it's missing a lot of factors. It knows when it's potentially missing factors and tries to recover with the CPU. Which means no more fatal Computation Errors unless there's a systemic problem. And I finally implemented the last optimization from the CUDA version. Which didn't help older AMD cards, as expected, but nearly doubled the speed of GCN cards!
____________




Is it simple to test (i mean does it run on boinc or do i physically need to build it by programming it)?
thanks for your answer,
Chris 


Ken_g6Volunteer developer
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Well, the goal here is to compile the new app, with a compiler, linked against both the BOINC libraries and the AMD OpenCL libraries. I think one of the presets in the MS Visual C++ files is set to something like TPSieve BOINC. In theory if all your paths are set up right, that should compile the app correctly.
You can test the app, once it's compiled, by running it from the command line, without running it in BOINC. A simple test is in the first post here. If it doesn't produce a stderr.txt file, you didn't compile against the BOINC libraries.
____________



streamVolunteer moderator Project administrator Volunteer developer Volunteer tester Send message
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I was able to build the Windows version without BOINC. I was also able to build the BOINC libraries. But I wasn't able to compile them together. When I asked about the error, the response wasn't helpful considering the instructions still say to use a compiler not supported on the latest BOINC libraries.
Look like all you have to do is to #include <windows.h> BEFORE boinc_api.h.
Or even better look inside boinc_api.h and find out why it does not #include <windows.h> although it references types defined there (HANDLE etc). May be they require some crazy #define to declare platform, may be they just don't care.




I have to R9 290X if they will help for testing. 


Ken_g6Volunteer developer
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Well, I don't know what I did differently this time, but I got a Windows BOINC binary built. Maybe I'd built the BOINC libraries as debug rather than release. Maybe I had a bad download of the AMD APP SDK. In any case, I now have Linux and Windows binaries, and all that's left is Mac. And testing.
I guess we should get started with testing now. Here's a link to a zipfile with both alpha nonBOINC and new BOINC versions for Windows and Linux. The alpha nonBOINC version has been previously tested by others, so it should work to make sure your setup is correct, and should give you an idea of what to expect when you run tpstest.bat (or .sh). You should basically get one factor for each line of the batch file, and no errors.
When you're ready to test the BOINC version(s), please rename each in place of the 32bit nonBOINC version. (There are two Linux binaries, but only one Windows binary.) Then run the batch or .sh file. You should get one factor for each line of the batch file. Then look at stderr.txt which will have been generated. You should see lots of instances vaguely like this:
shmget in attach_shmem: Invalid argument
19:17:33 (22971): Can't set up shared mem: 1. Will run in standalone mode.
Sieve started: 5092299000000 <= p < 5092300000000
Thread 0 starting
Detected 112 multiprocessors (560 SPUs) on device 0.
Device 0 is a NVIDIA Corporation GeForce GTX 460.
GCN device detected; use m1 vecsize=4 to undo effect
Thread 0 completed
Sieve complete: 5092299000000 <= p < 5092300000000
count=34234,sum=0x026b580320430c66
Elapsed time: 0.52 sec. (0.01 init + 0.52 sieve) at 2020954 p/sec.
Processor time: 0.51 sec. (0.00 init + 0.51 sieve) at 2064126 p/sec.
Average processor utilization: 0.72 (init), 0.98 (sieve)
19:17:33 (22971): called boinc_finish
The point being that you should see no other errors.
Testing on ATI and AMD GPUs and APUs is the most important. Testing on Nvidia is possible, but since the CUDA code is faster we probably won't use it. Testing on OpenCLcapable Intel graphics would be...really interesting. I don't know what to expect there, but it would be nice if it worked.
____________



HonzaVolunteer moderator Volunteer tester Project scientist Send message
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I guess we should get started with testing now. Here's a link to a zipfile with both alpha nonBOINC and new BOINC versions for Windows and Linux.
Ken, it got me confused.
Link is to 3+ years old executables.
I guess correct one is https://sites.google.com/site/kenscode/primeprograms/tpsclalpha.zip?attredirects=0&d=1
____________
My stats
Badge score: 1*1 + 5*1 + 8*3 + 9*11 + 10*1 + 11*1 + 12*3 = 186 


Ken_g6Volunteer developer
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I guess correct one is https://sites.google.com/site/kenscode/primeprograms/tpsclalpha.zip?attredirects=0&d=1
Yes, that's the right one.
____________



HonzaVolunteer moderator Volunteer tester Project scientist Send message
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You should get one factor for each line of the batch file. Then look at stderr.txt which will have been generated. You should see lots of instances vaguely like this:
Getting factors and no errors.
But getting a lot of factors on my HD 7950. One factor per range, 7 or even 15 factors per range.
tpfactors.txt has 451 factors/lines.
c:\_PG\TPSieve>tpsieveclx86windows.exe p5097429000000 P5097430000000 k 5 K 9999 n 2M N 3M M 2
tpsieve version cl0.2.5alpha2 (testing)
nstart=2000000, nstep=29
tpsieve initialized: 5 <= k <= 9999, 2000000 <= n < 3000000
Sieve started: 5097429000000 <= p < 5097430000000
Thread 0 starting
Detected 448 multiprocessors (2240 SPUs) on device 0.
Device 0 is a Advanced Micro Devices, Inc. Tahiti.
GCN device detected; use m1 vecsize=4 to undo effect
Changed nstep to 28
CL setup complete.
cthread_count = 114688
5097429079643  3919*2^20487391
5097429116887  3989*2^21763281
5097429169793  3907*2^2064512+1
5097429208097  5691*2^2552740+1
5097429272119  4429*2^25650311
5097429517633  5823*2^20351501
5097429704791  6837*2^2087551+1
Thread 0 completed
Waiting for threads to exit
Sieve complete: 5097429000000 <= p < 5097430000000
Found 7 factors
count=34009,sum=0x0267e49e7236c87d
Elapsed time: 0.72 sec. (0.01 init + 0.71 sieve) at 1478909 p/sec.
Processor time: 0.56 sec. (0.03 init + 0.53 sieve) at 1976942 p/sec.
Average processor utilization: 3.12 (init), 0.75 (sieve)
c:\_PG\TPSieve>tpsieveclx86windows.exe p35679989642e7 P35679989643e7 k5 K9999 n3000000 N6000000 T M2 c60
tpsieve version cl0.2.5alpha2 (testing)
nstart=3000000, nstep=46
tpsieve initialized: 5 <= k <= 9999, 3000000 <= n < 6000000
Sieve started: 356799896420000000 <= p < 356799896430000000
Thread 0 starting
Detected 448 multiprocessors (2240 SPUs) on device 0.
Device 0 is a Advanced Micro Devices, Inc. Tahiti.
GCN device detected; use m1 vecsize=4 to undo effect
nstep changed to 32
CL setup complete.
cthread_count = 114688
356799896420257891  6125*2^4654257+1
Thread 0 completed
Waiting for threads to exit
Sieve complete: 356799896420000000 <= p < 356799896430000000
Found 1 factor
count=247653,sum=0x24ec7a976776d2ff
Elapsed time: 5.05 sec. (2.26 init + 2.78 sieve) at 3674793 p/sec.
Processor time: 4.02 sec. (2.25 init + 1.78 sieve) at 5748736 p/sec.
Average processor utilization: 0.99 (init), 0.64 (sieve)
____________
My stats
Badge score: 1*1 + 5*1 + 8*3 + 9*11 + 10*1 + 11*1 + 12*3 = 186 


Ken_g6Volunteer developer
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Nuts, you're right. It's been a long time since I set up this test. I'm running the test now with the old CPU app and I'll have a presumablycorrect tpfactors.txt to compare against soon.
____________




The alpha nonBOINC version has been previously tested by others, so it should work to make sure your setup is correct, and should give you an idea of what to expect when you run tpstest.bat (or .sh). You should basically get one factor for each line of the batch file, and no errors.
I'm testing on an Nvidia GTX 580. I get multiple factors for each test, not one. Only for the very last line in the .bat file do I get one factor.
Output of the boinc and nonboinc executables is identical. No unusual error messages in the stderr.txt.
I'll send you a PM with the output (so as not to clog up this thread.)
____________
My lucky number is 75898^{524288}+1 



I'm running an HD 5670, and I have the same experience as Michael  lots of factors, then one factor, and no errors.
GPU usage fluctuated between 0% and 22% until the last task when it hit 99%.
stderr.txt available if needed. 


Ken_g6Volunteer developer
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Yes, you all seem to be getting the correct results; I should have designed a better test. Working on that now with Mike...
____________




Here's a better test. Use these command line parameters:
p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
This is an actual PPSSieve task. This is the correct output. The Mac ATI task missed the factors in red:
13120716307705079  2959*2^8094354+1
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717284827623  8907*2^8826378+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719059517079  2445*2^77788471
13120719477216161  6435*2^8752766+1
13120719544063997  2985*2^7826085+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720635031169  5679*2^8994161+1
13120720662833737  5469*2^6562478+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721663769431  3585*2^6907848+1
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722319646957  5003*2^6419493+1
13120722440108203  5707*2^6807554+1
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723071996931  4241*2^7534559+1
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723258653649  4355*2^7639969+1
13120723434822539  8535*2^6601016+1
13120723717933309  9707*2^7180267+1
13120723954016033  4685*2^8440045+1
13120723983397483  5737*2^6363638+1
13120724045408101  2565*2^6057669+1
13120724075161099  6163*2^78076431
13120724084494907  3081*2^6075501+1
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724673389471  2361*2^6415555+1
13120724738634179  1485*2^6690363+1
If you have an ATI card, try running the above command and see if you get all the factors.
____________
My lucky number is 75898^{524288}+1 



More information on doing this test:
So far we only have Windows and Linux builds, so let's start with those and see if the new builds find all the factors. If they do find them all, try running the test again with the old production app (which will ONLY work on ATI and won't run on Nvidia). You can download the production executables here:
Windows: http://www.primegrid.com/download/primegrid_tpsieve_1.39_windows_intelx86__atiPPSsieve.exe
Linux 32bit: http://www.primegrid.com/download/primegrid_tpsieve_1.39_i686pclinuxgnu__atiPPSsieve
Linux 64bit: http://www.primegrid.com/download/primegrid_tpsieve_1.39_x86_64pclinuxgnu__atiPPSsieve
____________
My lucky number is 75898^{524288}+1 



This is the output of tpfactors.txt. It looks like I missed two of them:
C:\Sieve>tpsieveclboincx86windows.exe p13120716e9 P13120725e9 k5 K9999 
n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.5 (testing)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 5120
13120716307705079  2959*2^8094354+1
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717284827623  8907*2^8826378+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719477216161  6435*2^8752766+1
13120719544063997  2985*2^7826085+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720635031169  5679*2^8994161+1
13120720662833737  5469*2^6562478+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721663769431  3585*2^6907848+1
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722319646957  5003*2^6419493+1
13120722440108203  5707*2^6807554+1
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723258653649  4355*2^7639969+1
13120723434822539  8535*2^6601016+1
13120723717933309  9707*2^7180267+1
13120723954016033  4685*2^8440045+1
13120723983397483  5737*2^6363638+1
13120724045408101  2565*2^6057669+1
13120724075161099  6163*2^78076431
13120724084494907  3081*2^6075501+1
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724673389471  2361*2^6415555+1
13120724738634179  1485*2^6690363+1
Found 51 factors
Missed:
13120719059517079  2445*2^77788471
13120723071996931  4241*2^7534559+1
Hope this helps. 


Ken_g6Volunteer developer
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That's different! Any error reports in stderr.txt?
Edit: You're not on a GCN card, right? What happens if you try adding vecsize=1?
____________



Ken_g6Volunteer developer
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Bug reproduced! (With vecsize=4 on Nvidia/GCN if anyone else is interested.) I'll look into it when I have more time.
For now, no need to run more tests on the new code, but running the same range on one of the old executables Michael listed could be helpful.
____________




Results from Windows, 280X
C:\Users\*\Downloads>ppssieve.exe p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.3e (testing)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 32768
13120716307705079  2959*2^8094354+1
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717284827623  8907*2^8826378+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719059517079  2445*2^77788471
13120719477216161  6435*2^8752766+1
13120719544063997  2985*2^7826085+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720635031169  5679*2^8994161+1
13120720662833737  5469*2^6562478+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721663769431  3585*2^6907848+1
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722319646957  5003*2^6419493+1
13120722440108203  5707*2^6807554+1
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723071996931  4241*2^7534559+1
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723258653649  4355*2^7639969+1
13120723434822539  8535*2^6601016+1
13120723717933309  9707*2^7180267+1
13120723954016033  4685*2^8440045+1
13120723983397483  5737*2^6363638+1
13120724045408101  2565*2^6057669+1
13120724075161099  6163*2^78076431
13120724084494907  3081*2^6075501+1
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724673389471  2361*2^6415555+1
13120724738634179  1485*2^6690363+1
Found 53 factors

C:\Users\*\Downloads\tpsclalpha>tpsieveclx86windows.exe p131207
16e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.5alpha2 (testing)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
Sieve started: 13120716000000000 <= p < 13120725000000000
Thread 0 starting
Detected 512 multiprocessors (2560 SPUs) on device 0.
Device 0 is a Advanced Micro Devices, Inc. Tahiti.
GCN device detected; use m1 vecsize=4 to undo effect
nstep changed to 32
CL setup complete.
cthread_count = 131072
13120716307705079  2959*2^8094354+1
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717284827623  8907*2^8826378+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719477216161  6435*2^8752766+1
13120719544063997  2985*2^7826085+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720635031169  5679*2^8994161+1
13120720662833737  5469*2^6562478+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721663769431  3585*2^6907848+1
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722319646957  5003*2^6419493+1
13120722440108203  5707*2^6807554+1
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723258653649  4355*2^7639969+1
13120723434822539  8535*2^6601016+1
13120723717933309  9707*2^7180267+1
13120723954016033  4685*2^8440045+1
13120723983397483  5737*2^6363638+1
13120724045408101  2565*2^6057669+1
13120724075161099  6163*2^78076431
13120724084494907  3081*2^6075501+1
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724673389471  2361*2^6415555+1
13120724738634179  1485*2^6690363+1
Thread 0 completed
Waiting for threads to exit
Sieve complete: 13120716000000000 <= p < 13120725000000000
Found 51 factors
count=242515220,sum=0x2dca915341c02724
Elapsed time: 879.75 sec. (0.41 init + 879.34 sieve) at 10235206 p/sec.
Processor time: 1013.19 sec. (0.41 init + 1012.78 sieve) at 8886608 p/sec.
Average processor utilization: 0.99 (init), 1.15 (sieve)

2 factors missed. 



That's different! Any error reports in stderr.txt?
Edit: You're not on a GCN card, right? What happens if you try adding vecsize=1?
Just to close the loop...
The card is not a GCN  it's an older HD 5670.
stderr.txt is as follows:
20:12:36 (6448): Can't set up shared mem: 1. Will run in standalone mode.
Sieve started: 13120716000000000 <= p < 13120725000000000
Thread 0 starting
Detected 80 multiprocessors (400 SPUs) on device 0.
Device 0 is a Advanced Micro Devices, Inc. Redwood.
Thread 0 completed
Sieve complete: 13120716000000000 <= p < 13120725000000000
count=242515220,sum=0x2dca915341c02724
Elapsed time: 7339.64 sec. (0.51 init + 7339.13 sieve) at 1226330 p/sec.
Processor time: 2534.88 sec. (0.53 init + 2534.35 sieve) at 3551288 p/sec.
Average processor utilization: 1.03 (init), 0.35 (sieve)
22:14:55 (6448): called boinc_finish




Using the binary Michael posted:
C:\Sieve>primegrid_tpsieve_1.39_windows_intelx86__atiPPSsieve.exe p13120716e9 
P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.3e (testing)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 5120
13120716307705079  2959*2^8094354+1
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717284827623  8907*2^8826378+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719059517079  2445*2^77788471
13120719477216161  6435*2^8752766+1
13120719544063997  2985*2^7826085+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720635031169  5679*2^8994161+1
13120720662833737  5469*2^6562478+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721663769431  3585*2^6907848+1
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722319646957  5003*2^6419493+1
13120722440108203  5707*2^6807554+1
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723071996931  4241*2^7534559+1
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723258653649  4355*2^7639969+1
13120723434822539  8535*2^6601016+1
13120723717933309  9707*2^7180267+1
13120723954016033  4685*2^8440045+1
13120723983397483  5737*2^6363638+1
13120724045408101  2565*2^6057669+1
13120724075161099  6163*2^78076431
13120724084494907  3081*2^6075501+1
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724673389471  2361*2^6415555+1
13120724738634179  1485*2^6690363+1
Found 53 factors
stderr.txt:
07:51:24 (6380): Can't open init data file  running in standalone mode
Sieve started: 13120716000000000 <= p < 13120725000000000
Thread 0 starting
Detected 80 multiprocessors (400 SPUs) on device 0.
Thread 0 completed
Sieve complete: 13120716000000000 <= p < 13120725000000000
count=242515220,sum=0x2dca915341c02724
Elapsed time: 8156.42 sec. (0.51 init + 8155.91 sieve) at 1103518 p/sec.
Processor time: 2498.93 sec. (0.55 init + 2498.39 sieve) at 3602400 p/sec.
Average processor utilization: 1.07 (init), 0.31 (sieve)
10:07:20 (6380): called boinc_finish 



I have an ATI Mac, but not a DP one. No point in trying to test anything with that, right ? 


Ken_g6Volunteer developer
Send message
Joined: 4 Jul 06 Posts: 891 ID: 3110 Credit: 171,111,853 RAC: 26,781

PPS Sieve doesn't use floating point at all. Go for it!
____________




Windows 7  AMD HD5830
Missing 2 factors for the new Windows BOINC alpha app on my tests as well.
Old app
C:\Users\NeoMetal>primegrid_tpsieve_1.39_windows_intelx86__atiPPSsieve.exe p131
20716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.3e (testing)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 14336
13120716307705079  2959*2^8094354+1
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717284827623  8907*2^8826378+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719059517079  2445*2^77788471
13120719477216161  6435*2^8752766+1
13120719544063997  2985*2^7826085+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720635031169  5679*2^8994161+1
13120720662833737  5469*2^6562478+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721663769431  3585*2^6907848+1
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722319646957  5003*2^6419493+1
13120722440108203  5707*2^6807554+1
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723071996931  4241*2^7534559+1
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723258653649  4355*2^7639969+1
13120723434822539  8535*2^6601016+1
13120723717933309  9707*2^7180267+1
13120723954016033  4685*2^8440045+1
13120723983397483  5737*2^6363638+1
13120724045408101  2565*2^6057669+1
13120724075161099  6163*2^78076431
13120724084494907  3081*2^6075501+1
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724673389471  2361*2^6415555+1
13120724738634179  1485*2^6690363+1
Found 53 factors
stderr output:
19:07:37 (9628): Can't open init data file  running in standalone mode
Sieve started: 13120716000000000 <= p < 13120725000000000
Thread 0 starting
Detected 224 multiprocessors (1120 SPUs) on device 0.
Thread 0 completed
Sieve complete: 13120716000000000 <= p < 13120725000000000
count=242515220,sum=0x2dca915341c02724
Elapsed time: 2692.25 sec. (0.46 init + 2691.79 sieve) at 3343575 p/sec.
Processor time: 863.67 sec. (0.48 init + 863.18 sieve) at 10426725 p/sec.
Average processor utilization: 1.05 (init), 0.32 (sieve)
19:52:29 (9628): called boinc_finish
New alpha app
C:\Users\NeoMetal>tpsieveclboincx86windows.exe p13120716e9 P13120725e9 k5
K9999 n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.5 (testing)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 14336
13120716307705079  2959*2^8094354+1
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717284827623  8907*2^8826378+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719477216161  6435*2^8752766+1
13120719544063997  2985*2^7826085+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720635031169  5679*2^8994161+1
13120720662833737  5469*2^6562478+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721663769431  3585*2^6907848+1
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722319646957  5003*2^6419493+1
13120722440108203  5707*2^6807554+1
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723258653649  4355*2^7639969+1
13120723434822539  8535*2^6601016+1
13120723717933309  9707*2^7180267+1
13120723954016033  4685*2^8440045+1
13120723983397483  5737*2^6363638+1
13120724045408101  2565*2^6057669+1
13120724075161099  6163*2^78076431
13120724084494907  3081*2^6075501+1
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724673389471  2361*2^6415555+1
13120724738634179  1485*2^6690363+1
Found 51 factors
stderr output:
15:31 (9816): Can't set up shared mem: 1. Will run in standalone mode.
Sieve started: 13120716000000000 <= p < 13120725000000000
Thread 0 starting
Detected 224 multiprocessors (1120 SPUs) on device 0.
Device 0 is a Advanced Micro Devices, Inc. Cypress.
Thread 0 completed
Sieve complete: 13120716000000000 <= p < 13120725000000000
count=242515220,sum=0x2dca915341c02724
Elapsed time: 2545.42 sec. (0.46 init + 2544.95 sieve) at 3536484 p/sec.
Processor time: 929.80 sec. (0.47 init + 929.33 sieve) at 9684609 p/sec.
Average processor utilization: 1.02 (init), 0.37 (sieve)
20:57:56 (9816): called boinc_finish
EDIT: Added stderr output
____________
Largest Primes to Date:
As Double Checker: SR5 109208*5^1816285+1 Dgts1,269,534
As Initial Finder: SR5 243944*5^12585761 Dgts879,713




Interesting. I just ran the same test three times. The computer is a Windows 7 box with both an ATI and Nvidia GPU.
I ran the production ATI and CUDA apps, and they both found all 53 factors.
The new ATI app, however, missed two factors:
13120719059517079  2445*2^77788471
13120723071996931  4241*2^7534559+1
____________
My lucky number is 75898^{524288}+1 


Ken_g6Volunteer developer
Send message
Joined: 4 Jul 06 Posts: 891 ID: 3110 Credit: 171,111,853 RAC: 26,781

Yes, there's clearly a bug. I won't get around to fixing it until at least the weekend. 



I have built a Mac binary using the new code. It is uploaded (along with the latest 'production' version) to http://www2.epcc.ed.ac.uk/~ibethune/files/tpsieve_cl_mac.zip
My machine has an Integrated Intel Iris Pro GPU, which only manages ~600,000p/sec so will take some hours to complete the test. In the meantime, if anyone has a discrete GPU (ATI or NVIDIA) and would like to test, please download those binaries and have a go.
I will post results when I get them (hopefully tomorrow!).
Cheers
 Iain
____________
Twitter: IainBethune
Proud member of team "Aggie The Pew". Go Aggie!
3073428256125*2^12900001 is Prime! 


RogerVolunteer developer Volunteer tester
Send message
Joined: 27 Nov 11 Posts: 1137 ID: 120786 Credit: 265,142,659 RAC: 15,459

Windows 7  AMD HD7970
>primegrid_tpsieve_1.39_windows_intelx86__atiPPSsieve.exe p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.3e (testing)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 32768
13120716307705079  2959*2^8094354+1
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717284827623  8907*2^8826378+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719059517079  2445*2^77788471
13120719477216161  6435*2^8752766+1
13120719544063997  2985*2^7826085+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720635031169  5679*2^8994161+1
13120720662833737  5469*2^6562478+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721663769431  3585*2^6907848+1
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722319646957  5003*2^6419493+1
13120722440108203  5707*2^6807554+1
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723071996931  4241*2^7534559+1
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723258653649  4355*2^7639969+1
13120723434822539  8535*2^6601016+1
13120723717933309  9707*2^7180267+1
13120723954016033  4685*2^8440045+1
13120723983397483  5737*2^6363638+1
13120724045408101  2565*2^6057669+1
13120724075161099  6163*2^78076431
13120724084494907  3081*2^6075501+1
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724673389471  2361*2^6415555+1
13120724738634179  1485*2^6690363+1
Found 53 factors 



I have built a Mac binary using the new code. It is uploaded (along with the latest 'production' version) to http://www2.epcc.ed.ac.uk/~ibethune/files/tpsieve_cl_mac.zip
My machine has an Integrated Intel Iris Pro GPU, which only manages ~600,000p/sec so will take some hours to complete the test. In the meantime, if anyone has a discrete GPU (ATI or NVIDIA) and would like to test, please download those binaries and have a go.
I will post results when I get them (hopefully tomorrow!).
Cheers
 Iain
It would also be interesting to see if you miss the 6th factor (or any factors) using the older production app.
____________
My lucky number is 75898^{524288}+1 



I have built a Mac binary using the new code. It is uploaded (along with the latest 'production' version) to http://www2.epcc.ed.ac.uk/~ibethune/files/tpsieve_cl_mac.zip
My machine has an Integrated Intel Iris Pro GPU, which only manages ~600,000p/sec so will take some hours to complete the test. In the meantime, if anyone has a discrete GPU (ATI or NVIDIA) and would like to test, please download those binaries and have a go.
I will post results when I get them (hopefully tomorrow!).
Cheers
 Iain
It would also be interesting to see if you miss the 6th factor (or any factors) using the older production app.
I'm trying the production version on a 2008 MacBook Pro with the 512Mb GeForce 8600M GT. I did find the 6th factor (5089*2^8180582+1); it will probably be Sunday before the rest finish.




OK, some results below. The old production app found all the expected factors (up to the point where I killed it halfway through as I needed to use the machine this morning). I will rerun this on my newer Iris Pro to confirm. The new is missing 2 factors as per previous posts.
Cheers
 Iain
Using the production app on an Nvidia 9600M GT :
./primegrid_tpsieve_1.39_x86_64appledarwin__atiPPSsieveMAC p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.3e (testing)
Compiled Sep 12 2011 with GCC 4.2.1 (Apple Inc. build 5666) (dot 3)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 4096
13120716307705079  2959*2^8094354+1
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717284827623  8907*2^8826378+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719059517079  2445*2^77788471
13120719477216161  6435*2^8752766+1
13120719544063997  2985*2^7826085+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720635031169  5679*2^8994161+1
13120720662833737  5469*2^6562478+1
13120720682005019  1935*2^74739321
^CFound 25 factors
20:23:02 (4153): Can't open init data file  running in standalone mode
Sieve started: 13120716000000000 <= p < 13120725000000000
Thread 0 starting
Detected 64 multiprocessors (320 SPUs) on device 0.
Device 0 is a NVIDIA GeForce 9600M GT.
Thread 0 interrupted
Sieve incomplete: 13120716000000000 <= p < 13120720793303041
count=129161437,sum=0x5fe9be81dd4a0e9d
Elapsed time: 45286.56 sec. (0.29 init + 45286.27 sieve) at 105845 p/sec.
Processor time: 12337.81 sec. (0.28 init + 12337.52 sieve) at 388514 p/sec.
Average processor utilization: 0.98 (init), 0.27 (sieve)
Using the new code with an Intel Iris Pro HD:
./tpsieveclboincx86_64mac p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.5 (testing)
Compiled Jun 19 2014 with GCC 4.2.1 Compatible Apple LLVM 5.1 (clang503.0.40)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 286720
13120716307705079  2959*2^8094354+1
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717284827623  8907*2^8826378+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719477216161  6435*2^8752766+1
13120719544063997  2985*2^7826085+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720635031169  5679*2^8994161+1
13120720662833737  5469*2^6562478+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721663769431  3585*2^6907848+1
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722319646957  5003*2^6419493+1
13120722440108203  5707*2^6807554+1
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723258653649  4355*2^7639969+1
13120723434822539  8535*2^6601016+1
13120723717933309  9707*2^7180267+1
13120723954016033  4685*2^8440045+1
13120723983397483  5737*2^6363638+1
13120724045408101  2565*2^6057669+1
13120724075161099  6163*2^78076431
13120724084494907  3081*2^6075501+1
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724673389471  2361*2^6415555+1
13120724738634179  1485*2^6690363+1
Found 51 factors
mbpib2:testdir ibethune$ cat stderr.txt
23:04:27 (69871): Can't open init data file  running in standalone mode
Sieve started: 13120716000000000 <= p < 13120725000000000
Thread 0 starting
Detected 4480 multiprocessors (22400 SPUs) on device 0.
Device 0 is a Intel Iris Pro.
Thread 0 completed
Sieve complete: 13120716000000000 <= p < 13120725000000000
count=242515220,sum=0x2dca915341c02724
Elapsed time: 9508.32 sec. (0.17 init + 9508.15 sieve) at 946576 p/sec.
Processor time: 266.36 sec. (0.18 init + 266.18 sieve) at 33811974 p/sec.
Average processor utilization: 1.04 (init), 0.03 (sieve)
____________
Twitter: IainBethune
Proud member of team "Aggie The Pew". Go Aggie!
3073428256125*2^12900001 is Prime! 



I'm trying the production version on a 2008 MacBook Pro with the 512Mb GeForce 8600M GT. I did find the 6th factor (5089*2^8180582+1); it will probably be Sunday before the rest finish.
Quicker than expected. Ran to completion and found all factors.
mbp15:tpsieve_cl_mac rob$ ./primegrid_tpsieve_1.39_x86_64appledarwin__atiPPSsieveMAC p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.3e (testing)
Compiled Sep 12 2011 with GCC 4.2.1 (Apple Inc. build 5666) (dot 3)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 4096
13120716307705079  2959*2^8094354+1
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717284827623  8907*2^8826378+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719059517079  2445*2^77788471
13120719477216161  6435*2^8752766+1
13120719544063997  2985*2^7826085+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720635031169  5679*2^8994161+1
13120720662833737  5469*2^6562478+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721663769431  3585*2^6907848+1
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722319646957  5003*2^6419493+1
13120722440108203  5707*2^6807554+1
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723071996931  4241*2^7534559+1
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723258653649  4355*2^7639969+1
13120723434822539  8535*2^6601016+1
13120723717933309  9707*2^7180267+1
13120723954016033  4685*2^8440045+1
13120723983397483  5737*2^6363638+1
13120724045408101  2565*2^6057669+1
13120724075161099  6163*2^78076431
13120724084494907  3081*2^6075501+1
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724673389471  2361*2^6415555+1
13120724738634179  1485*2^6690363+1
Found 53 factors
Next up, the new version. 



I'm unable to run the new version  it keeps grumping about missing one of the libraries:
./tpsieveclboincx86_64mac p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
dyld: Library not loaded: @rpath/libcudart.6.0.dylib
Referenced from: /Users/rob/Downloads/tpsieve_cl_mac2/./tpsieveclboincx86_64mac
Reason: image not found
Trace/BPT trap: 5
I've tried copying the "missing" file into the folder, adding it to the path, installing Xcode, rebooting in between everything...
Any suggestions? 



I just acquired a new Mac Pro :)
Every opencl PPS WU result it computed is invalid :(
http://www.primegrid.com/show_host_detail.php?hostid=434562 


Ken_g6Volunteer developer
Send message
Joined: 4 Jul 06 Posts: 891 ID: 3110 Credit: 171,111,853 RAC: 26,781

I know it doesn't sound like it, but this is great news! You can reproduce the problem, so you can help us fix it. Could you please run these programs on it:
http://www.primegrid.com/download/primegrid_tpsieve_1.39_x86_64appledarwin__atiPPSsieveMAC
http://www2.epcc.ed.ac.uk/~ibethune/files/tpsieve_cl_mac.zip
with these arguments:
p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
And let us know the results? Thanks!
____________




The old production app found all the expected factors (up to the point where I killed it halfway through as I needed to use the machine this morning). I will rerun this on my newer Iris Pro to confirm.
As expected, the old code finds all 53 factors when running on the Iris Pro:
ibethune$ ./primegrid_tpsieve_1.39_x86_64appledarwin__atiPPSsieveMAC p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.3e (testing)
Compiled Sep 12 2011 with GCC 4.2.1 (Apple Inc. build 5666) (dot 3)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 286720
13120716307705079  2959*2^8094354+1
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717284827623  8907*2^8826378+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719059517079  2445*2^77788471
13120719477216161  6435*2^8752766+1
13120719544063997  2985*2^7826085+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720635031169  5679*2^8994161+1
13120720662833737  5469*2^6562478+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721663769431  3585*2^6907848+1
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722319646957  5003*2^6419493+1
13120722440108203  5707*2^6807554+1
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723071996931  4241*2^7534559+1
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723258653649  4355*2^7639969+1
13120723434822539  8535*2^6601016+1
13120723717933309  9707*2^7180267+1
13120723954016033  4685*2^8440045+1
13120723983397483  5737*2^6363638+1
13120724045408101  2565*2^6057669+1
13120724075161099  6163*2^78076431
13120724084494907  3081*2^6075501+1
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724673389471  2361*2^6415555+1
13120724738634179  1485*2^6690363+1
Found 53 factors
16:50:32 (1747): Can't open init data file  running in standalone mode
Sieve started: 13120716000000000 <= p < 13120725000000000
Thread 0 starting
Detected 4480 multiprocessors (22400 SPUs) on device 0.
Device 0 is a Intel Iris Pro.
Thread 0 completed
Sieve complete: 13120716000000000 <= p < 13120725000000000
count=242515220,sum=0x2dca915341c02724
Elapsed time: 10779.42 sec. (0.43 init + 10778.99 sieve) at 834975 p/sec.
Processor time: 207.08 sec. (0.46 init + 206.62 sieve) at 43558885 p/sec.
Average processor utilization: 1.06 (init), 0.02 (sieve)
19:50:12 (1747): called boinc_finish
Cheers
 Iain
____________
Twitter: IainBethune
Proud member of team "Aggie The Pew". Go Aggie!
3073428256125*2^12900001 is Prime! 



I know it doesn't sound like it, but this is great news! You can reproduce the problem, so you can help us fix it. Could you please run these programs on it:
http://www.primegrid.com/download/primegrid_tpsieve_1.39_x86_64appledarwin__atiPPSsieveMAC
http://www2.epcc.ed.ac.uk/~ibethune/files/tpsieve_cl_mac.zip
with these arguments:
p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
And let us know the results? Thanks!
./primegrid_tpsieve_1.39_x86_64appledarwin__atiPPSsieveMAC p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.3e (testing)
Compiled Sep 12 2011 with GCC 4.2.1 (Apple Inc. build 5666) (dot 3)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 32768
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719059517079  2445*2^77788471
13120719477216161  6435*2^8752766+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721663769431  3585*2^6907848+1
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723071996931  4241*2^7534559+1
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723258653649  4355*2^7639969+1
13120723434822539  8535*2^6601016+1
13120723717933309  9707*2^7180267+1
13120723954016033  4685*2^8440045+1
13120723983397483  5737*2^6363638+1
13120724045408101  2565*2^6057669+1
13120724075161099  6163*2^78076431
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724738634179  1485*2^6690363+1
Found 44 factors




So what's the latest? Any more testing needed? I have macs with nVidia, AMD, and intel GPUs.
____________
Reno, NV



Ken_g6Volunteer developer
Send message
Joined: 4 Jul 06 Posts: 891 ID: 3110 Credit: 171,111,853 RAC: 26,781

Well, Chipotle ran one app but not the other. I'd need to see both to know if there's a significant difference.
I have a newer version that fixes one missing factor problem. Whether it would fix the other I really don't know. I also don't know if it would behave the same as the newer broken app, but it would be instructive to find out in any case.
Oh, and ppsieve (the +1only version, as opposed to tpsieve) is apparently totally broken at this point. I don't know yet if I'll fix it up or not.
So, I guess, if you've got a Mac, go ahead and try both these programs:
http://www.primegrid.com/download/primegrid_tpsieve_1.39_x86_64appledarwin__atiPPSsieveMAC
http://www2.epcc.ed.ac.uk/~ibethune/files/tpsieve_cl_mac.zip
With these arguments:
p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
If the first one doesn't find only 44 factors, starting with missing 13120717075819579  5089*2^8180582+1, then your Mac isn't helpful to me.
If the first one finds only 44 factors, let me know what the second one does, and check its stderr.txt as well.
If the second one finds less than 52 factors, I may be stuck.
Thanks for testing!
____________




OK, so I tried again, this time understanding your instructions better. But why use cuda library for ATI (see below)?
Output (from 2 runs):
./primegrid_tpsieve_1.39_x86_64appledarwin__atiPPSsieveMAC p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.3e (testing)
Compiled Sep 12 2011 with GCC 4.2.1 (Apple Inc. build 5666) (dot 3)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 32768
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719059517079  2445*2^77788471
13120719477216161  6435*2^8752766+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
./tpsieveclboincx86_64mac p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
dyld: Library not loaded: /usr/local/cuda/lib/libcuda.dylib
Referenced from: /Users/ran/Desktop/test/./tpsieveclboincx86_64mac
Reason: image not found
Trace/BPT trap 


Ken_g6Volunteer developer
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Joined: 4 Jul 06 Posts: 891 ID: 3110 Credit: 171,111,853 RAC: 26,781

Nuts, need to get CUDA out of the OpenCL compiling. I had a heck of a time doing that for Linux, and I guess Mac isn't set right yet. I'll have to get with Iain and get back to you.
____________




Thanks for the quick reply!
BTW, I just ran the first program again, this time getting the expected 44 results. Unfortunately there may be more than one bug, since last time, after substantially fewer than 44 results, the program exited early  it didn't announce the number of factors :( 


Ken_g6Volunteer developer
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Joined: 4 Jul 06 Posts: 891 ID: 3110 Credit: 171,111,853 RAC: 26,781

Was there anything in stderr.txt when it exited early?
____________




Was there anything in stderr.txt when it exited early?
Sorry  I'm a poor tester. the later run clobbered the stderr.txt of the first. I'll attempt to recreate it. In the meantime...
I am seeing inconsistent results (here are two runs, note that the lists are only mostly alike):
./primegrid_tpsieve_1.39_x86_64appledarwin__atiPPSsieveMAC p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.3e (testing)
Compiled Sep 12 2011 with GCC 4.2.1 (Apple Inc. build 5666) (dot 3)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 32768
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719059517079  2445*2^77788471
13120719477216161  6435*2^8752766+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720635031169  5679*2^8994161+1
13120720662833737  5469*2^6562478+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723071996931  4241*2^7534559+1
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723258653649  4355*2^7639969+1
13120723434822539  8535*2^6601016+1
13120723983397483  5737*2^6363638+1
13120724075161099  6163*2^78076431
13120724084494907  3081*2^6075501+1
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724673389471  2361*2^6415555+1
13120724738634179  1485*2^6690363+1
Found 44 factors
./primegrid_tpsieve_1.39_x86_64appledarwin__atiPPSsieveMAC p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.3e (testing)
Compiled Sep 12 2011 with GCC 4.2.1 (Apple Inc. build 5666) (dot 3)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 32768
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719059517079  2445*2^77788471
13120719477216161  6435*2^8752766+1
13120719544063997  2985*2^7826085+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722319646957  5003*2^6419493+1
13120722440108203  5707*2^6807554+1
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723071996931  4241*2^7534559+1
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723434822539  8535*2^6601016+1
13120723717933309  9707*2^7180267+1
13120723954016033  4685*2^8440045+1
13120723983397483  5737*2^6363638+1
13120724045408101  2565*2^6057669+1
13120724075161099  6163*2^78076431
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724673389471  2361*2^6415555+1
13120724738634179  1485*2^6690363+1
Found 45 factors




OK, here's a truncated run + stderr (hope this is helpful!):
./primegrid_tpsieve_1.39_x86_64appledarwin__atiPPSsieveMAC p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.3e (testing)
Compiled Sep 12 2011 with GCC 4.2.1 (Apple Inc. build 5666) (dot 3)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 32768
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719059517079  2445*2^77788471
13120719477216161  6435*2^8752766+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
cat stderr.txt
18:19:04 (35737): Can't open init data file  running in standalone mode
Sieve started: 13120716000000000 <= p < 13120725000000000
Thread 0 starting
Detected 512 multiprocessors (2560 SPUs) on device 0.
Device 0 is a AMD ATI Radeon HD  FirePro D700 Compute Engine.
Thread 0 completed
Sieve complete: 13120716000000000 <= p < 13120725000000000
count=242515220,sum=0x2dca915341c02724
Elapsed time: 2215.71 sec. (0.30 init + 2215.40 sieve) at 4062550 p/sec.
Processor time: 216.81 sec. (0.31 init + 216.51 sieve) at 41569993 p/sec.
Average processor utilization: 1.01 (init), 0.10 (sieve)
18:56:00 (35737): called boinc_finish
shmget in attach_shmem: Invalid argument
19:03:04 (36289): Can't set up shared mem: 1. Will run in standalone mode.
Sieve started: 13120716000000000 <= p < 13120725000000000
Thread 0 starting
Detected 512 multiprocessors (2560 SPUs) on device 0.
Device 0 is a AMD ATI Radeon HD  FirePro D700 Compute Engine.
Thread 0 completed
Sieve complete: 13120716000000000 <= p < 13120725000000000
count=242515220,sum=0x2dca915341c02724
Elapsed time: 2214.91 sec. (0.31 init + 2214.60 sieve) at 4064030 p/sec.
Processor time: 217.21 sec. (0.31 init + 216.90 sieve) at 41494909 p/sec.
Average processor utilization: 1.01 (init), 0.10 (sieve)
19:39:59 (36289): called boinc_finish
shmget in attach_shmem: Invalid argument
19:48:23 (36879): Can't set up shared mem: 1. Will run in standalone mode.
Sieve started: 13120716000000000 <= p < 13120725000000000
Thread 0 starting
Detected 512 multiprocessors (2560 SPUs) on device 0.
Device 0 is a AMD ATI Radeon HD  FirePro D700 Compute Engine.
Computation Error: no candidates found for p=13120721136041257 between 8629631 and 9000000.
20:09:26 (36879): called boinc_finish



Ken_g6Volunteer developer
Send message
Joined: 4 Jul 06 Posts: 891 ID: 3110 Credit: 171,111,853 RAC: 26,781

So, that run errored out with a Computation Error? That's actually very helpful. Thank you! It means my changes are likely to fix the app, or possibly cause it to error out every time, which is almost as useful.
Now, we're all waiting to see if Iain can remove that CUDA dependency and make a new binary.
____________




Hello,
when will be approximately able PPS sieve tasks for ATI?
Thanks, Martin 



Hello,
when will be approximately able PPS sieve tasks for ATI?
Thanks, Martin
I can't give you a definitive answer. As soon as the application is corrected and tested it will be turned on.
____________
My lucky number is 75898^{524288}+1 



Now, we're all waiting to see if Iain can remove that CUDA dependency and make a new binary.
New binaries (version cl0.2.5a) are now posted at http://www2.epcc.ed.ac.uk/~ibethune/files/tpsieve_cl_mac2.zip. The bogus CUDA dependency is now gone.
If you were able to recreate the missing factors, please rerun with this version and let us know!
Cheers
 Iain
____________
Twitter: IainBethune
Proud member of team "Aggie The Pew". Go Aggie!
3073428256125*2^12900001 is Prime! 



./tpsieveclboincx86_64mac p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.5a beta (testing)
Compiled Jul 6 2014 with GCC 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.9.00)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 16384
13120716307705079  2959*2^8094354+1
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717284827623  8907*2^8826378+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719059517079  2445*2^77788471
13120719477216161  6435*2^8752766+1
13120719544063997  2985*2^7826085+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720635031169  5679*2^8994161+1
13120720662833737  5469*2^6562478+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721663769431  3585*2^6907848+1
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722319646957  5003*2^6419493+1
13120722440108203  5707*2^6807554+1
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723071996931  4241*2^7534559+1
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723258653649  4355*2^7639969+1
13120723434822539  8535*2^6601016+1
13120723717933309  9707*2^7180267+1
13120723954016033  4685*2^8440045+1
13120723983397483  5737*2^6363638+1
13120724045408101  2565*2^6057669+1
13120724075161099  6163*2^78076431
13120724084494907  3081*2^6075501+1
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724673389471  2361*2^6415555+1
13120724738634179  1485*2^6690363+1
Found 53 factors
stderr.txt:
10:51:53 (331): Can't open init data file  running in standalone mode
Sieve started: 13120716000000000 <= p < 13120725000000000
Thread 0 starting
Detected 64 multiprocessors (320 SPUs) on device 0.
Device 0 is a NVIDIA GeForce 8600M GT.
GCN device detected; use m1 vecsize=4 to undo effect
Thread 0 completed
Sieve complete: 13120716000000000 <= p < 13120725000000000
count=242515220,sum=0x2dca915341c02724
Elapsed time: 57563.88 sec. (0.27 init + 57563.61 sieve) at 156352 p/sec.
Processor time: 5139.82 sec. (0.26 init + 5139.55 sieve) at 1751162 p/sec.
Average processor utilization: 0.97 (init), 0.09 (sieve)
02:51:17 (331): called boinc_finish 



./tpsieveclboincx86mac p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.5a beta (testing)
Compiled Jul 6 2014 with GCC 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.9.00)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 16384
13120716307705079  2959*2^8094354+1
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717284827623  8907*2^8826378+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719059517079  2445*2^77788471
13120719477216161  6435*2^8752766+1
13120719544063997  2985*2^7826085+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720635031169  5679*2^8994161+1
13120720662833737  5469*2^6562478+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721663769431  3585*2^6907848+1
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722319646957  5003*2^6419493+1
13120722440108203  5707*2^6807554+1
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723071996931  4241*2^7534559+1
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723258653649  4355*2^7639969+1
13120723434822539  8535*2^6601016+1
13120723717933309  9707*2^7180267+1
13120723954016033  4685*2^8440045+1
13120723983397483  5737*2^6363638+1
13120724045408101  2565*2^6057669+1
13120724075161099  6163*2^78076431
13120724084494907  3081*2^6075501+1
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724673389471  2361*2^6415555+1
13120724738634179  1485*2^6690363+1
Found 53 factors
stderr.txt
07:46:30 (1233): Can't open init data file  running in standalone mode
Sieve started: 13120716000000000 <= p < 13120725000000000
Thread 0 starting
Detected 64 multiprocessors (320 SPUs) on device 0.
Device 0 is a NVIDIA GeForce 8600M GT.
GCN device detected; use m1 vecsize=4 to undo effect
Thread 0 completed
Sieve complete: 13120716000000000 <= p < 13120725000000000
count=242515220,sum=0x2dca915341c02724
Elapsed time: 57581.96 sec. (0.34 init + 57581.62 sieve) at 156303 p/sec.
Processor time: 5335.63 sec. (0.35 init + 5335.28 sieve) at 1686920 p/sec.
Average processor utilization: 1.02 (init), 0.09 (sieve)
23:46:12 (1233): called boinc_finish




Things look good :)
Output on mac pro:
./tpsieveclboincx86_64mac p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.5a beta (testing)
Compiled Jul 6 2014 with GCC 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.9.00)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 32768
13120716307705079  2959*2^8094354+1
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717284827623  8907*2^8826378+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719059517079  2445*2^77788471
13120719477216161  6435*2^8752766+1
13120719544063997  2985*2^7826085+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720635031169  5679*2^8994161+1
13120720662833737  5469*2^6562478+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721663769431  3585*2^6907848+1
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722319646957  5003*2^6419493+1
13120722440108203  5707*2^6807554+1
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723071996931  4241*2^7534559+1
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723258653649  4355*2^7639969+1
13120723434822539  8535*2^6601016+1
13120723717933309  9707*2^7180267+1
13120723954016033  4685*2^8440045+1
13120723983397483  5737*2^6363638+1
13120724045408101  2565*2^6057669+1
13120724075161099  6163*2^78076431
13120724084494907  3081*2^6075501+1
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724673389471  2361*2^6415555+1
13120724738634179  1485*2^6690363+1
Found 53 factors
stderr.txt
21:20:04 (86461): Can't open init data file  running in standalone mode
Sieve started: 13120716000000000 <= p < 13120725000000000
Thread 0 starting
Detected 512 multiprocessors (2560 SPUs) on device 0.
Device 0 is a AMD ATI Radeon HD  FirePro D700 Compute Engine.
Thread 0 completed
Sieve complete: 13120716000000000 <= p < 13120725000000000
count=242515220,sum=0x2dca915341c02724
Elapsed time: 1261.14 sec. (0.29 init + 1260.84 sieve) at 7138225 p/sec.
Processor time: 271.47 sec. (0.30 init + 271.17 sieve) at 33190116 p/sec.
Average processor utilization: 1.01 (init), 0.22 (sieve)
21:41:06 (86461): called boinc_finish 



...and the second executable's output:
./tpsieveclboincx86mac p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.5a beta (testing)
Compiled Jul 6 2014 with GCC 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.9.00)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 32768
13120716307705079  2959*2^8094354+1
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717284827623  8907*2^8826378+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719059517079  2445*2^77788471
13120719477216161  6435*2^8752766+1
13120719544063997  2985*2^7826085+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720635031169  5679*2^8994161+1
13120720662833737  5469*2^6562478+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721663769431  3585*2^6907848+1
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722319646957  5003*2^6419493+1
13120722440108203  5707*2^6807554+1
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723071996931  4241*2^7534559+1
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723258653649  4355*2^7639969+1
13120723434822539  8535*2^6601016+1
13120723717933309  9707*2^7180267+1
13120723954016033  4685*2^8440045+1
13120723983397483  5737*2^6363638+1
13120724045408101  2565*2^6057669+1
13120724075161099  6163*2^78076431
13120724084494907  3081*2^6075501+1
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724673389471  2361*2^6415555+1
13120724738634179  1485*2^6690363+1
Found 53 factors
stderr.txt
21:46:03 (89088): Can't open init data file  running in standalone mode
Sieve started: 13120716000000000 <= p < 13120725000000000
Thread 0 starting
Detected 512 multiprocessors (2560 SPUs) on device 0.
Device 0 is a AMD ATI Radeon HD  FirePro D700 Compute Engine.
Thread 0 completed
Sieve complete: 13120716000000000 <= p < 13120725000000000
count=242515220,sum=0x2dca915341c02724
Elapsed time: 1264.51 sec. (0.36 init + 1264.14 sieve) at 7119593 p/sec.
Processor time: 414.81 sec. (0.37 init + 414.44 sieve) at 21716433 p/sec.
Average processor utilization: 1.02 (init), 0.33 (sieve)
22:07:08 (89088): called boinc_finish 



Okay, I know this will be seen as a petty complaint, but isn't there a better place to post factor files for verification than on the open forums? I just don't like scrolling :) This isn't specific to this thread, but the cry "we're having problems, please post factors" is very annoying to me. And I am not ashamed. The numbers posted are of value (in a "how do I fix it" sense) to maybe 510 people, not the whole PG community. Keep them to an FTP upload site or something similar. Not here.
Gary 



Okay, I know this will be seen as a petty complaint, but isn't there a better place to post factor files for verification than on the open forums? I just don't like scrolling :) This isn't specific to this thread, but the cry "we're having problems, please post factors" is very annoying to me. And I am not ashamed. The numbers posted are of value (in a "how do I fix it" sense) to maybe 510 people, not the whole PG community. Keep them to an FTP upload site or something similar. Not here.
Gary
This is not to help the individual users; it's to help the developer fix the app. I can't think of anything that's more valuable to the entire community than that. Also, while Ken (the developer) is the one fixing the app, it's other people (Iain, Jim, and myself) who need to eventually sign off on the app as working correctly and being productionready, so we need to see this information too.
Furthermore, for the people helping with the testing, it's of great help to see the results from other people so they have a good idea of what they should be looking for.
If you disagree with this, that's fine, but if you want to follow up, please do it privately with me. I don't want the testing thread cluttered with a discussion about what is or is not appropriate.
Thank you.
____________
My lucky number is 75898^{524288}+1 


Ken_g6Volunteer developer
Send message
Joined: 4 Jul 06 Posts: 891 ID: 3110 Credit: 171,111,853 RAC: 26,781

Alright, V0.2.5a, a.k.a. Release Candidate 2, is ready for testing on Windows and Linux. Same URL just because I don't want to create another file. The only difference from the beta, which was on Mac, is that FirePro cards are better detected. Chipotle's card should have been detected as GCN, but it wasn't.
I should probably get Iain to compile a Mac version too so Chipotle can test it. But the beta he compiled would also work  just a little slower in a few cases.
____________




I should probably get Iain to compile a Mac version too so Chipotle can test it. But the beta he compiled would also work  just a little slower in a few cases.
Happy to test it for you :) 



I have posted a build of the latest code (0.2.5a) at http://www2.epcc.ed.ac.uk/~ibethune/files/tpsieve_cl_mac3.zip for testing.
Cheers
 Iain
____________
Twitter: IainBethune
Proud member of team "Aggie The Pew". Go Aggie!
3073428256125*2^12900001 is Prime! 



I have posted a build of the latest code (0.2.5a) at http://www2.epcc.ed.ac.uk/~ibethune/files/tpsieve_cl_mac3.zip for testing.
Nice, it's a bit faster :)
./tpsieveclboincx86_64mac p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.5a (testing)
Compiled Jul 24 2014 with GCC 4.2.1 Compatible Apple LLVM 5.1 (clang503.0.40)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 131072
13120716307705079  2959*2^8094354+1
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717284827623  8907*2^8826378+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719059517079  2445*2^77788471
13120719477216161  6435*2^8752766+1
13120719544063997  2985*2^7826085+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720635031169  5679*2^8994161+1
13120720662833737  5469*2^6562478+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721663769431  3585*2^6907848+1
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722319646957  5003*2^6419493+1
13120722440108203  5707*2^6807554+1
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723071996931  4241*2^7534559+1
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723258653649  4355*2^7639969+1
13120723434822539  8535*2^6601016+1
13120723717933309  9707*2^7180267+1
13120723954016033  4685*2^8440045+1
13120723983397483  5737*2^6363638+1
13120724045408101  2565*2^6057669+1
13120724075161099  6163*2^78076431
13120724084494907  3081*2^6075501+1
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724673389471  2361*2^6415555+1
13120724738634179  1485*2^6690363+1
Found 53 factors
stderr.txt
21:09:37 (18139): Can't open init data file  running in standalone mode
Sieve started: 13120716000000000 <= p < 13120725000000000
Thread 0 starting
Detected 512 multiprocessors (2560 SPUs) on device 0.
Device 0 is a AMD ATI Radeon HD  FirePro D700 Compute Engine.
FirePro D series detected.
GCN device detected; use m1 vecsize=4 to undo effect
Thread 0 completed
Sieve complete: 13120716000000000 <= p < 13120725000000000
count=242515220,sum=0x2dca915341c02724
Elapsed time: 1051.88 sec. (0.28 init + 1051.59 sieve) at 8558644 p/sec.
Processor time: 269.72 sec. (0.29 init + 269.43 sieve) at 33404316 p/sec.
Average processor utilization: 1.01 (init), 0.26 (sieve)
21:27:09 (18139): called boinc_finish
...and 32bit...
./tpsieveclboincx86mac p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.5a (testing)
Compiled Jul 24 2014 with GCC 4.2.1 Compatible Apple LLVM 5.1 (clang503.0.40)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 131072
13120716307705079  2959*2^8094354+1
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717284827623  8907*2^8826378+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719059517079  2445*2^77788471
13120719477216161  6435*2^8752766+1
13120719544063997  2985*2^7826085+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720635031169  5679*2^8994161+1
13120720662833737  5469*2^6562478+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721663769431  3585*2^6907848+1
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722319646957  5003*2^6419493+1
13120722440108203  5707*2^6807554+1
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723071996931  4241*2^7534559+1
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723258653649  4355*2^7639969+1
13120723434822539  8535*2^6601016+1
13120723717933309  9707*2^7180267+1
13120723954016033  4685*2^8440045+1
13120723983397483  5737*2^6363638+1
13120724045408101  2565*2^6057669+1
13120724075161099  6163*2^78076431
13120724084494907  3081*2^6075501+1
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724673389471  2361*2^6415555+1
13120724738634179  1485*2^6690363+1
Found 53 factors
stderr.txt
21:38:23 (18456): Can't open init data file  running in standalone mode
Sieve started: 13120716000000000 <= p < 13120725000000000
Thread 0 starting
Detected 512 multiprocessors (2560 SPUs) on device 0.
Device 0 is a AMD ATI Radeon HD  FirePro D700 Compute Engine.
FirePro D series detected.
GCN device detected; use m1 vecsize=4 to undo effect
Thread 0 completed
Sieve complete: 13120716000000000 <= p < 13120725000000000
count=242515220,sum=0x2dca915341c02724
Elapsed time: 1052.23 sec. (0.38 init + 1051.85 sieve) at 8556556 p/sec.
Processor time: 436.82 sec. (0.39 init + 436.43 sieve) at 20622524 p/sec.
Average processor utilization: 1.02 (init), 0.41 (sieve)
21:55:55 (18456): called boinc_finish 



Win7x64 box, Dual Xeon X5570, 48 GB DDR3 ECC, Dual R9280X cards.
C:\Users\Dutch\Downloads\tpsclalpha>tpsieveclboincx86windows.exe p1312071
6e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.5a (testing)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 131072
13120716307705079  2959*2^8094354+1
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717284827623  8907*2^8826378+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719059517079  2445*2^77788471
13120719477216161  6435*2^8752766+1
13120719544063997  2985*2^7826085+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720635031169  5679*2^8994161+1
13120720662833737  5469*2^6562478+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721663769431  3585*2^6907848+1
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722319646957  5003*2^6419493+1
13120722440108203  5707*2^6807554+1
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723071996931  4241*2^7534559+1
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723258653649  4355*2^7639969+1
13120723434822539  8535*2^6601016+1
13120723717933309  9707*2^7180267+1
13120723954016033  4685*2^8440045+1
13120723983397483  5737*2^6363638+1
13120724045408101  2565*2^6057669+1
13120724075161099  6163*2^78076431
13120724084494907  3081*2^6075501+1
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724673389471  2361*2^6415555+1
13120724738634179  1485*2^6690363+1
Found 53 factors
stderr.txt :
23:46:40 (3872): Can't set up shared mem: 1. Will run in standalone mode.
Sieve started: 13120716000000000 <= p < 13120725000000000
Thread 0 starting
Detected 512 multiprocessors (2560 SPUs) on device 0.
Device 0 is a Advanced Micro Devices, Inc. Tahiti.
GCN device detected; use m1 vecsize=4 to undo effect
Thread 0 completed
Sieve complete: 13120716000000000 <= p < 13120725000000000
count=242515220,sum=0x2dca915341c02724
Elapsed time: 707.11 sec. (0.47 init + 706.64 sieve) at 12736609 p/sec.
Processor time: 1037.47 sec. (0.47 init + 1037.00 sieve) at 8679056 p/sec.
Average processor utilization: 1.00 (init), 1.47 (sieve)
23:58:27 (3872): called boinc_finish




And just for good measure, same test with the current Boinc executable :
C:\Users\Dutch\Downloads\tpsclalpha>primegrid_tpsieve_1.39_windows_intelx86__a
tiPPSsieve.exe p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 
c 60
tpsieve version cl0.2.3e (testing)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 32768
13120716307705079  2959*2^8094354+1
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717284827623  8907*2^8826378+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719059517079  2445*2^77788471
13120719477216161  6435*2^8752766+1
13120719544063997  2985*2^7826085+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720635031169  5679*2^8994161+1
13120720662833737  5469*2^6562478+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721663769431  3585*2^6907848+1
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722319646957  5003*2^6419493+1
13120722440108203  5707*2^6807554+1
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723071996931  4241*2^7534559+1
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723258653649  4355*2^7639969+1
13120723434822539  8535*2^6601016+1
13120723717933309  9707*2^7180267+1
13120723954016033  4685*2^8440045+1
13120723983397483  5737*2^6363638+1
13120724045408101  2565*2^6057669+1
13120724075161099  6163*2^78076431
13120724084494907  3081*2^6075501+1
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724673389471  2361*2^6415555+1
13120724738634179  1485*2^6690363+1
Found 53 factors
Stderr.txt :
04:53:01 (1992): Can't open init data file  running in standalone mode
Sieve started: 13120716000000000 <= p < 13120725000000000
Thread 0 starting
Detected 512 multiprocessors (2560 SPUs) on device 0.
Thread 0 completed
Sieve complete: 13120716000000000 <= p < 13120725000000000
count=242515220,sum=0x2dca915341c02724
Elapsed time: 1262.26 sec. (0.45 init + 1261.81 sieve) at 7132738 p/sec.
Processor time: 354.23 sec. (0.47 init + 353.76 sieve) at 25441265 p/sec.
Average processor utilization: 1.05 (init), 0.28 (sieve)
05:14:03 (1992): called boinc_finish 



I know its summer and holidays etc has an effect, but any eta/news on possible reinstatement of the ATI CL app for PPS Sieving ? 



I know its summer and holidays etc has an effect, but any eta/news on possible reinstatement of the ATI CL app for PPS Sieving ?
If you've read this thread (which is about finding and fixing the problem), you have as much information as I do.
____________
My lucky number is 75898^{524288}+1 


Ken_g6Volunteer developer
Send message
Joined: 4 Jul 06 Posts: 891 ID: 3110 Credit: 171,111,853 RAC: 26,781

Well, in this thread we can all see that I have a new version, and it seems to be working, particularly on Mac but also on Windows. What I think we're all wondering is when you will consider it tested enough to put in production?
____________




Well, in this thread we can all see that I have a new version, and it seems to be working, particularly on Mac but also on Windows. What I think we're all wondering is when you will consider it tested enough to put in production?
Sorry, I wasn't aware you were ready! I haven't been following this thread very closely.
Where's the current executables?
____________
My lucky number is 75898^{524288}+1 


Ken_g6Volunteer developer
Send message
Joined: 4 Jul 06 Posts: 891 ID: 3110 Credit: 171,111,853 RAC: 26,781

Alright, V0.2.5a, a.k.a. Release Candidate 2, is ready for testing on Windows and Linux. Same URL just because I don't want to create another file.
I have posted a build of the latest code (0.2.5a) at http://www2.epcc.ed.ac.uk/~ibethune/files/tpsieve_cl_mac3.zip for testing.
Cheers
 Iain
I'm a little concerned that DutchDK may have been CPUlimited in his test. (He has lots of cores, but only one can be used for the CPU part of the sieve.) But that's something I can work on optimizing later; it shouldn't prevent deployment of the current apps.
Ken
____________




Ken,
This version of the app runs on any OCL device; the old version would only run on an ATI device.
While that's great for testing, is there any reason to have the production version run on both ATI and Nvidia? My concern is that if a host computer has both an ATI and Nvidia GPU (rare, but it does happen), the app will run on the wrong GPU.
What do you think about making it select only ATI GPUs unless it gets a command line option (say, any) which would let us select any OVL device?
____________
My lucky number is 75898^{524288}+1 



I'm a little concerned that DutchDK may have been CPUlimited in his test. (He has lots of cores, but only one can be used for the CPU part of the sieve.) But that's something I can work on optimizing later; it shouldn't prevent deployment of the current apps.
Ken
Not really a big issue, Ken. In Boinc, I set up one logical core for each GPU task. I tend to run 2 PPS sieve tasks on each R9280X GPU, so two physical cores/4 logical cores are dedicated to the GPU tasks, which is fine.
What I am more curious about, is this in the new app :
cthread_count = 131072
compared to this in the current app :
cthread_count = 32768
Is this the cause of the speedup in the new app ?
And also the stderr timereports looks weird,
new:
Elapsed time: 707.11 sec. (0.47 init + 706.64 sieve) at 12736609 p/sec.
Processor time: 1037.47 sec. (0.47 init + 1037.00 sieve) at 8679056 p/sec.
Average processor utilization: 1.00 (init), 1.47 (sieve)
versus old:
Elapsed time: 1262.26 sec. (0.45 init + 1261.81 sieve) at 7132738 p/sec.
Processor time: 354.23 sec. (0.47 init + 353.76 sieve) at 25441265 p/sec.
Average processor utilization: 1.05 (init), 0.28 (sieve)
Its almost like processor and elapsed time reports have been swapped in the new vs old app. 


Ken_g6Volunteer developer
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Joined: 4 Jul 06 Posts: 891 ID: 3110 Credit: 171,111,853 RAC: 26,781

I tend to run 2 PPS sieve tasks on each R9280X GPU, so two physical cores/4 logical cores are dedicated to the GPU tasks, which is fine.
The goal is to not require that anymore, so that people not using app_info or whatever can run as fast as you can. But if a 3GHz Nehalem can't keep up with a 280X, that goal might not be met.
What I am more curious about, is [more cthreads.] Is this the cause of the speedup in the new app ?
That's not the whole cause of the speedup, but it is part of it. The other part is that I implemented the algorithm I've been using for Nvidia, which is apparently faster for GCN, though not for older cards. In prior testing, the higher cthread count just turned out to be optimal for GCN cards.
And also the stderr timereports looks weird. [snip] Its almost like processor and elapsed time reports have been swapped in the new vs old app.
No, that looks mostly right to me, though how it's exceeding one core usage I'm not sure. (I assume it's running at 100% on the main thread and the rest is driver overhead on another thread.)
The first thing you need to realize is that I don't trust AMD's OpenCL to compute the tricky initialization of each step right. Nvidia does it on the GPU, but AMD had failures early on. An alpha GCC also had issues with that, so I gather it's tricky for compilers to get it right. Anyway, this means doing a significant amount of work on the CPU.
Then, with the app making errors, I implemented an errorcheck for each step. But this takes about the same time as the initialization, so that nearly doubles the CPU usage per step.
Now add in that the GPU is doing steps faster, and you get huge CPU use. So now I want to make the CPU work more efficiently.
I just found an intrinsic for MSVC++ called __emulu that might help significantly. I'm planning to try it in the next version. Based on Chipotle's results from the Mac version, which I assume was compiled with GCC and thus used a similar instruction, I'm hopeful. But if it doesn't help, then running two threads at once may remain necessary. Or I might have to work harder on optimization, or risk doing tougher math on the GPU or something.
Oh, and @Mike, aborting on Nvidia looks fairly easy. I'll test it more this weekend.
____________




I would like to run PPSSieve and the TRPSieve tasks. But when these are selected the TRPSieve preference is somehow automatically replaced by ESPSieve tasks. Is this correctable?
Correction I get PPS (Sieve) 1.39 (cpuPPSieve that are not open CL) and TRPSieve tasks. Is the Open CL just not in the task description anymore for Macs? 



Correction I get PPS (Sieve) 1.39 (cpuPPSieve that are not open CL) and TRPSieve tasks. Is the Open CL just not in the task description anymore for Macs?
As per the title of this thread, the ATI (OpenCL) app is currently turned off, so you won't get any ATI PPS Sieve tasks.
You may have changed it, but at this moment you have also have "Use ATI GPU" unchecked in your preferences, and also don't have the ATI PPSSieve box checked. Both of those most be checked to get ATI PPSSieve tasks (once they're reenabled on the server.)
____________
My lucky number is 75898^{524288}+1 



The first thing you need to realize is that I don't trust AMD's OpenCL to compute the tricky initialization of each step right. Nvidia does it on the GPU, but AMD had failures early on. An alpha GCC also had issues with that, so I gather it's tricky for compilers to get it right. Anyway, this means doing a significant amount of work on the CPU.
Out of pure interest, the current app does the init on the GPU ? Since the results with both the current and the new was the same on the windows run.
Then, with the app making errors, I implemented an errorcheck for each step. But this takes about the same time as the initialization, so that nearly doubles the CPU usage per step.
Possible to have the errorcheck only enabled when running with a debug commandline parameter ? Or is it inlined with the rest of the code for the steps its checking ?
If you can make the errorcheck optional, that would then nearly halve the cpu usage. 



FYI:
Alright, V0.2.5a, a.k.a. Release Candidate 2, is ready for testing on Windows and Linux. Same URL just because I don't want to create another file.
Just dowloaded this to test on a LinuxMint17 system with an AMD Radeon HD6670 card (it's a 32bit one?).
Wed 06 Aug 2014 12:32:59 BST   CAL: ATI GPU 0: AMD Radeon HD 6570/6670/7570/7670 series (Turks) (CAL version 1.4.1848, 1024MB, 999MB available, 1536 GFLOPS peak)
Wed 06 Aug 2014 12:32:59 BST   OpenCL: AMD/ATI GPU 0: AMD Radeon HD 6570/6670/7570/7670 series (Turks) (driver version 1214.3, device version OpenCL 1.2 AMDAPP (1214.3), 1024MB, 999MB available, 1536 GFLOPS peak)
Wed 06 Aug 2014 12:32:59 BST   OpenCL CPU: Intel(R) Core(TM) i52500K CPU @ 3.30GHz (OpenCL driver vendor: Advanced Micro Devices, Inc., driver version 1214.3 (sse2,avx), device version OpenCL 1.2 AMDAPP (1214.3))
The x86 (32bit) executable in the zip file is statically linked against the BOINC libs.
That passes the test OK.
However, the 64bit one isn't staticallylinked, and it's expecting to find libboinc_api.so.6 and libboinc.so.6.
But the latest/current releases libs are v7 (I'm on 7.2.42).
So I've linked libboinc_api.so.6 to libboinc_api.so.7, and created a libboinc.so.6 from my libboinc.a (as there is no dynamic version built by default) and run the 64bit one using that setup.
That then passes the test OK as well. 


Ken_g6Volunteer developer
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V0.2.5b is out. Same file. I was going to post a new version last week, but I found that while I could compile the 64bit app on my actual machine, I couldn't compile the exact same code on my VM. It turned out the Makefile had some serious issues. "Make clean" wasn't working, so I had eventually lost the code to make one object file. It's now patched up and I think it should be working.
@Dutchdk, I'm not making the error check optional. It allows nice things like avoiding all computation errors that aren't bugs or misconfigurations. An overclocked GPU probably won't error out  its errors will just get fixed. I thought about it and did come to the conclusion that I could move the error checks to the GPU. And also that if one error check worked on the GPU I could move the initialization there as well. But that requires a level of work that would deserve another version number (0.2.6). I'm not up for that right now. Hopefully the little coding tweak I did for Windows will help. And hopefully it didn't break anything.
Edit: Oh, and I don't think it's possible to compile with static linking when doing OpenCL code. I know there's several other people around here who compile OpenCL code, so please correct me if I'm wrong. :)
____________



Ken_g6Volunteer developer
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Hm, I bet I forgot to document the new option, either in the program or anywhere else! a or "anygpu" allows computing on Nvidia; otherwise it aborts with "These aren't the devices you're looking for." So that's what you need to use if you want to test on Nvidia.
____________




2.5b output :
C:\Users\Dutch\Downloads\tpsclalpha (1)>tpsieveclboincx86windows.exe p131
20716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.5b (testing)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 131072
13120716307705079  2959*2^8094354+1
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717284827623  8907*2^8826378+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719059517079  2445*2^77788471
13120719477216161  6435*2^8752766+1
13120719544063997  2985*2^7826085+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720635031169  5679*2^8994161+1
13120720662833737  5469*2^6562478+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721663769431  3585*2^6907848+1
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722319646957  5003*2^6419493+1
13120722440108203  5707*2^6807554+1
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723071996931  4241*2^7534559+1
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723258653649  4355*2^7639969+1
13120723434822539  8535*2^6601016+1
13120723717933309  9707*2^7180267+1
13120723954016033  4685*2^8440045+1
13120723983397483  5737*2^6363638+1
13120724045408101  2565*2^6057669+1
13120724075161099  6163*2^78076431
13120724084494907  3081*2^6075501+1
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724673389471  2361*2^6415555+1
13120724738634179  1485*2^6690363+1
Found 53 factors
stderr.txt :
19:25:22 (10828): Can't open init data file  running in standalone mode
Sieve started: 13120716000000000 <= p < 13120725000000000
Thread 0 starting
Detected 512 multiprocessors (2560 SPUs) on device 0.
Device 0 is a 'Advanced Micro Devices, Inc.' 'Tahiti'.
GCN device detected; use m1 vecsize=4 to undo effect
Thread 0 completed
Sieve complete: 13120716000000000 <= p < 13120725000000000
count=242515220,sum=0x2dca915341c02724
Elapsed time: 672.34 sec. (0.62 init + 671.72 sieve) at 13398667 p/sec.
Processor time: 1038.12 sec. (0.62 init + 1037.50 sieve) at 8674880 p/sec.
Average processor utilization: 1.01 (init), 1.54 (sieve)
19:36:34 (10828): called boinc_finish 


Ken_g6Volunteer developer
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Joined: 4 Jul 06 Posts: 891 ID: 3110 Credit: 171,111,853 RAC: 26,781

No significant improvement in Windows on the CPU. Oh, well. I might do something else later. But for now, let's go to sieve with the app we have, not the app we might want or wish to have at a later time.
____________




Edit: Oh, and I don't think it's possible to compile with static linking when doing OpenCL code. Not the OpenCL libraries, but it wasn't those that were the problem. It was the BOINC libs. The 64bit one is looking for libboinc_api.so.6 and libboinc.so.6, while the 32bit one isn't:
32bit one:[mysys]: ldd tpsieveclboincx86linux
linuxgate.so.1 => (0xf7712000)
libOpenCL.so => /opt/AMDAPP/lib/x86/libOpenCL.so (0xf76e1000)
libpthread.so.0 => /lib/i386linuxgnu/libpthread.so.0 (0xf76c5000)
libstdc++.so.6 => /usr/lib/i386linuxgnu/libstdc++.so.6 (0xf75db000)
libm.so.6 => /lib/i386linuxgnu/libm.so.6 (0xf7595000)
libgcc_s.so.1 => /lib/i386linuxgnu/libgcc_s.so.1 (0xf7578000)
libc.so.6 => /lib/i386linuxgnu/libc.so.6 (0xf73c8000)
/lib/ldlinux.so.2 (0xf7713000)
libdl.so.2 => /lib/i386linuxgnu/libdl.so.2 (0xf73c3000)
64bit one:[mysys]: ldd tpsieveclboincx86_64linux
linuxvdso.so.1 => (0x00007fffb5fa1000)
libOpenCL.so => /opt/AMDAPP/lib/x86_64/libOpenCL.so (0x00007fb9277a8000)
libpthread.so.0 => /lib/x86_64linuxgnu/libpthread.so.0 (0x00007fb92758a000)
libboinc_api.so.6 => not found
libboinc.so.6 => not found
libstdc++.so.6 => /usr/lib/x86_64linuxgnu/libstdc++.so.6 (0x00007fb927285000)
libm.so.6 => /lib/x86_64linuxgnu/libm.so.6 (0x00007fb926f7e000)
libgcc_s.so.1 => /lib/x86_64linuxgnu/libgcc_s.so.1 (0x00007fb926d68000)
libc.so.6 => /lib/x86_64linuxgnu/libc.so.6 (0x00007fb9269a2000)
/lib64/ldlinuxx8664.so.2 (0x00007fb9279d8000)
libdl.so.2 => /lib/x86_64linuxgnu/libdl.so.2 (0x00007fb92679d000)




In case it's of an use, here's a run of the command in 78651 on a LinuxMint 64bit system with an AMD Radeon HD6670 card:
Command: ./tpsieveclboincx86_64linux p13120716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60 Result:tpsieve version cl0.2.5b (testing)
Compiled Aug 6 2014 with GCC 4.4.3
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 6144
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719059517079  2445*2^77788471
13120719477216161  6435*2^8752766+1
13120719544063997  2985*2^7826085+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720635031169  5679*2^8994161+1
13120720662833737  5469*2^6562478+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721663769431  3585*2^6907848+1
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722319646957  5003*2^6419493+1
13120722440108203  5707*2^6807554+1
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723071996931  4241*2^7534559+1
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723258653649  4355*2^7639969+1
13120723434822539  8535*2^6601016+1
13120723717933309  9707*2^7180267+1
13120723954016033  4685*2^8440045+1
13120723983397483  5737*2^6363638+1
13120724045408101  2565*2^6057669+1
13120724075161099  6163*2^78076431
13120724084494907  3081*2^6075501+1
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724673389471  2361*2^6415555+1
13120724738634179  1485*2^6690363+1
Found 53 factors stderr.txt:21:40:42 (3197): Can't open init data file  running in standalone mode
Sieve started: 13120716000000000 <= p < 13120725000000000
Resuming from checkpoint p=13120718186280961 in tpcheck13120716e9.txt
Thread 0 starting
Detected 96 multiprocessors (480 SPUs) on device 0.
Device 0 is a 'Advanced Micro Devices, Inc.' 'Turks'.
Thread 0 completed
Sieve complete: 13120716000000000 <= p < 13120725000000000
count=242515220,sum=0x2dca915341c02724
Elapsed time: 4614.92 sec. (0.25 init + 4614.67 sieve) at 1476576 p/sec.
Processor time: 2793.34 sec. (0.23 init + 2793.11 sieve) at 2439541 p/sec.
Average processor utilization: 0.91 (init), 0.61 (sieve)
22:57:37 (3197): called boinc_finish




Ken, are we ready to put the ATI app back into production? Do we have the necessary builds (Windows 32 bit, Mac 64 bit, Linux both 32 and 64 bit) built and, just as importantly, tested?
____________
My lucky number is 75898^{524288}+1 


Ken_g6Volunteer developer
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Joined: 4 Jul 06 Posts: 891 ID: 3110 Credit: 171,111,853 RAC: 26,781

OK, the current status is:
0.2.5a works, but doesn't stop on Nvidia.
0.2.5b works, and aborts on Nvidia, although it lacks documentation and the 64bit Linux build didn't have static BOINC libraries.
0.2.5c, which I just pushed out for Linux only, documents a and allows all Linux binaries to have static BOINC libraries.
We have binaries for:
Mac: 0.2.5a (Iain would need to build c.)
Windows: 0.2.5b (but I could compile c if you want.)
Linux: 0.2.5c
The new algorithm works on Mac, and doesn't do any worse on anything else since 0.2.5a. (The original 0.2.5 was broken.) I don't know how much testing you need.
Also, will it be possible to have BOINC run these binaries on Intel graphics? They seem to work.
____________




OK, the current status is:
0.2.5a works, but doesn't stop on Nvidia.
0.2.5b works, and aborts on Nvidia, although it lacks documentation and the 64bit Linux build didn't have static BOINC libraries.
0.2.5c, which I just pushed out for Linux only, documents a and allows all Linux binaries to have static BOINC libraries.
We have binaries for:
Mac: 0.2.5a (Iain would need to build c.)
Windows: 0.2.5b (but I could compile c if you want.)
Linux: 0.2.5c
The new algorithm works on Mac, and doesn't do any worse on anything else since 0.2.5a. (The original 0.2.5 was broken.) I don't know how much testing you need.
Also, will it be possible to have BOINC run these binaries on Intel graphics? They seem to work.
I'd want all versions to be at the same level, so I guess that would be 0.2c. We'd need both 32 and 64 bit binaries for linux, as well as 32 bit for Windows and 64 bit for mac.
Iain should be able to coordinate building the other versions of the apps.
____________
My lucky number is 75898^{524288}+1 



Mac 0.2.5c build are now online: http://www.epcc.ed.ac.uk/~ibethune/files/tpsieve_cl_mac0.2.5c.zip
So if the Windows builds are ready then we're good to go.
It would also be great to see these supported on Intel GPUs via BOINC. It certainly works on my Iris Pro via the command line.
Cheers
 iain
____________
Twitter: IainBethune
Proud member of team "Aggie The Pew". Go Aggie!
3073428256125*2^12900001 is Prime! 



I'm not sure if we can support Intel video at this time.
____________
My lucky number is 75898^{524288}+1 


Ken_g6Volunteer developer
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Joined: 4 Jul 06 Posts: 891 ID: 3110 Credit: 171,111,853 RAC: 26,781

Alright, all the files in that zipfile are now 0.2.5c.
____________




OK, the current status is:
...
0.2.5c, which I just pushed out for Linux only, documents a and allows all Linux binaries to have static BOINC libraries. Thanks. Both the 32 and 64bit ones now run without me having to point them towards my own, hacked BOINC libs.




2.5c run
C:\Users\Dutch\Downloads\tpsclalpha (2)>tpsieveclboincx86windows.exe p131
20716e9 P13120725e9 k5 K9999 n6000000 N9000000 T M2 c 60
tpsieve version cl0.2.5c (testing)
nstart=6000000, nstep=41
tpsieve initialized: 5 <= k <= 9999, 6000000 <= n < 9000000
nstep changed to 32
CL setup complete.
cthread_count = 131072
13120716307705079  2959*2^8094354+1
13120716380747377  8859*2^7847166+1
13120716412325987  7211*2^7702451+1
13120716843190109  2167*2^7951358+1
13120716846657643  7003*2^82063511
13120717075819579  5089*2^8180582+1
13120717160591431  7745*2^8765661+1
13120717284827623  8907*2^8826378+1
13120717824685699  4613*2^75529461
13120717861537051  5537*2^70810321
13120718815920467  2501*2^85509101
13120718930066591  3699*2^74821371
13120719057141307  6089*2^89730321
13120719059517079  2445*2^77788471
13120719477216161  6435*2^8752766+1
13120719544063997  2985*2^7826085+1
13120719661679807  8253*2^83825301
13120719782159167  1543*2^73897751
13120719966492419  3749*2^63996361
13120720493876977  6645*2^7538049+1
13120720553340431  2055*2^8038331+1
13120720607106341  8311*2^7968572+1
13120720635031169  5679*2^8994161+1
13120720662833737  5469*2^6562478+1
13120720682005019  1935*2^74739321
13120721017491301  3531*2^62139371
13120721212413691  8341*2^61705131
13120721663769431  3585*2^6907848+1
13120721691198937  6395*2^79889541
13120721797389533  8075*2^86486821
13120721851239341  8595*2^62166651
13120721947519033  3327*2^68671651
13120722319646957  5003*2^6419493+1
13120722440108203  5707*2^6807554+1
13120722557491823  1731*2^8986587+1
13120722686753867  8135*2^70348661
13120723071996931  4241*2^7534559+1
13120723189240451  1119*2^67351091
13120723194075703  2055*2^6453532+1
13120723256598527  8165*2^8191313+1
13120723258653649  4355*2^7639969+1
13120723434822539  8535*2^6601016+1
13120723717933309  9707*2^7180267+1
13120723954016033  4685*2^8440045+1
13120723983397483  5737*2^6363638+1
13120724045408101  2565*2^6057669+1
13120724075161099  6163*2^78076431
13120724084494907  3081*2^6075501+1
13120724364906871  4281*2^8009816+1
13120724414854831  7821*2^6744179+1
13120724617851359  9975*2^73034611
13120724673389471  2361*2^6415555+1
13120724738634179  1485*2^6690363+1
Found 53 factors
stderr.txt :
19:00:59 (1948): Can't open init data file  running in standalone mode
Sieve started: 13120716000000000 <= p < 13120725000000000
Thread 0 starting
Detected 512 multiprocessors (2560 SPUs) on device 0.
Device 0 is a 'Advanced Micro Devices, Inc.' 'Tahiti'.
GCN device detected; use m1 vecsize=4 to undo effect
Thread 0 completed
Sieve complete: 13120716000000000 <= p < 13120725000000000
count=242515220,sum=0x2dca915341c02724
Elapsed time: 672.91 sec. (0.66 init + 672.25 sieve) at 13388222 p/sec.
Processor time: 1038.53 sec. (0.67 init + 1037.86 sieve) at 8671881 p/sec.
Average processor utilization: 1.01 (init), 1.54 (sieve)
19:12:12 (1948): called boinc_finish 



The new ATI apps are online! Please let me know if they're working, if they're being sent out correctly, etc.
There's 32 bit Windows, 64 bit Mac, and both 32 and 64 bit Linux versions available.
____________
My lucky number is 75898^{524288}+1 


HonzaVolunteer moderator Volunteer tester Project scientist Send message
Joined: 15 Aug 05 Posts: 1851 ID: 352 Credit: 2,790,533,495 RAC: 2,039,245

Win7x64, HD7950, BOINC 7.2.42 working fine  got validated.
EDIT: Using ~1/2 of a CPU core.
____________
My stats
Badge score: 1*1 + 5*1 + 8*3 + 9*11 + 10*1 + 11*1 + 12*3 = 186 



Also, will it be possible to have BOINC run these binaries on Intel graphics? They seem to work.
I looked at the server's code yesterday. The good news (really good news) is that the binary c++ part of the server appears to support Intel GPUs. I can't tell if it works, but the code is in there for Intel. This means we probably don't have to upgrade the server, which would involve a lot of testing and the risk of breaking things that currently work.
The web server code doesn't support it, however. There's no "Use Intel GPU" checkbox on the PrimeGrid preferences page. Fortunately, this should be a fairly easy thing to add.
So the server side looks like it's possible.
On the application side, we need a method for telling the sieve app which type of GPU it's supposed to use. We'll do it the same way we did it with the GeneferOCL app, which can run on either Nvidia or ATI. The app should read a configuration file (in the current working directory). The contents of the file indicate which type of GPU to use.
This is how we did it with GFN. You could use the same convention, or change the file name and contents if you wish.
The file name is opencl_platform.txt which contains a single line containing either NVIDIA or AMD. For PPS sieve, we could use INTEL or AMD (and probably NVIDIA just in case we ever want to use it.)
It's okay, as far as BOINC is concerned, if the filename is the same as the config file used by GFN, but in case there's ever a desire to use this method in standalone mode it might be a good idea to change the name so it doesn't conflict. I can be very flexible as far as the file name and contents are concerned, but I do need to pass the information to the app in a file. I can't use a command line parameter for this.
Finally, you should use the BOINC file open API so that the filename gets redirected correctly and makes use of the boinc waitandretry mechanism. If you don't, let me know because I'll need to set the flag to copy the config file into the slot directory rather than creating a link to the file.
That's the one change that would be required for running on Intel. I'd also recommend the following, although it's completely optional and you can do whatever you feel is right:
* Add something like intel, amd, and nvidia command line switches.
* When running in BOINC mode, if there's no config file, abort with an appropriate error message rather than attempting to run.
* Command line switches should override whatever is in the config file.
* There may be tuning that needs to be done specific to Intel GPUs.
____________
My lucky number is 75898^{524288}+1 


Ken_g6Volunteer developer
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Telling the app to use a platform is all well and good. But how do I detect which GPU is which platform? Also, BOINC sends an index number of the GPU to use. How do I reconcile that with using only one platform?
It seems like the GPU type to use should be specified in the plan_class, and the BOINC client should only be sending my app indices of GPUs that match that plan_class.
____________




On the application side, we need a method for telling the sieve app which type of GPU it's supposed to use. So does that mean the test app posted here should run on an Intel GPU if the a command line option is given?



Ken_g6Volunteer developer
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The a switch just prevents it from aborting if it's run on Nvidia. If the BOINC client tells it to run on Intel, it will run on Intel.
____________




The a switch just prevents it from aborting if it's run on Nvidia. If the BOINC client tells it to run on Intel, it will run on Intel. I'm actually thinking about the test program, which is run by hand from the command line.
But I've just noticed that this is exactly the same file that gets downloaded by the BOINC manager.
So I could use this as a test for getting OpenCL setup under Linux on Intel CPU and GPU? 



Just noticed that the deadline for PPSSieve is 3 days. Seems a little short.
The Riesel Problem LLR (TRP), whcih has a similar recent CPU usage time, is set for a deadline of 6 days.
I've just has 5 sent to my desktop. Each reckons it will take 15 mins, but in practice each will take about 2 hours elapsed running time. With only a 3 day deadline and 5 other projects sharing the GPU that's not going to work well. 



Telling the app to use a platform is all well and good. But how do I detect which GPU is which platform? Also, BOINC sends an index number of the GPU to use. How do I reconcile that with using only one platform?
It seems like the GPU type to use should be specified in the plan_class, and the BOINC client should only be sending my app indices of GPUs that match that plan_class.
Iain should be able to help you with that. You can pull the code for that from the OCL version of Genefer.
____________
My lucky number is 75898^{524288}+1 


RogerVolunteer developer Volunteer tester
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The new ATI apps are online! Please let me know if they're working, if they're being sent out correctly, etc.
AMD HD7970 GPU.
16 PPSSieve WU's so far.
12 Pending, 3 Valid, 1 in Error:
http://www.primegrid.com/result.php?resultid=566182591
Computation Error: Checksum mismatch
Average time per WU: 00:17:12
I am used to average more like 31 mins, so this is a huge improvement. 



Has there been any thoughts at using HSA on AMD APUs (ie; running as a CPU but having it take advantage of the GPU cores as well) on sieve apps? And can HSA be implemented in LLR or other apps as well?
____________
Largest Primes to Date:
As Double Checker: SR5 109208*5^1816285+1 Dgts1,269,534
As Initial Finder: SR5 243944*5^12585761 Dgts879,713



Ken_g6Volunteer developer
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HSA is just a buzzword. This app uses both CPU and GPU, as all GPU apps do. This one uses the CPU a little more than I'd like, actually. Technically, HSA indicates slightly closer integration between the two, but that's not an issue here.
All HSAenabled APUs should be able to run this OpenCL app.
____________




The new ATI apps are online! Please let me know if they're working, if they're being sent out correctly, etc.
AMD HD7970 GPU.
16 PPSSieve WU's so far.
12 Pending, 3 Valid, 1 in Error:
http://www.primegrid.com/result.php?resultid=566182591
Computation Error: Checksum mismatch
Average time per WU: 00:17:12
I am used to average more like 31 mins, so this is a huge improvement.
I Just looked through the database. There's 6 Windows hosts (including yours) that got that error, 3 of those that got that error on multiple tasks. 500+ successful results from Windows computers with the new app, including a bunch from your computer.
My guess would be a hardware problem, but most of your tasks are completing just fine, so I'm not really sure.
____________
My lucky number is 75898^{524288}+1 


RogerVolunteer developer Volunteer tester
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My guess would be a hardware problem, but most of your tasks are completing just fine, so I'm not really sure.
My wife was using the computer at the time. Uploading 100's of photos to Facebook and who knows what else, so lets write that one error off. Main point is that the app does what its meant to do.
Now up to 11 Valid and 34 Pending tasks. 



Strange looking result for me on Linux.
http://www.primegrid.com/result.php?resultid=566171718
<core_client_version>7.2.42</core_client_version>
<![CDATA[
<stderr_txt>
ksum mismatch for p=25785097999483649 between 10364055 and 9532140 at n=9000063.
Computation Error: Checksum mismatch for p=25785097999483661 between 9337148 and 5274531 at n=9000063.
Computation Error: Checksum mismatch for p=25785097999483679 between 10651500 and 13852497 at n=9000063.
.....
[lots of similar lines removed...]
...
Computation Error: Checksum mismatch for p=25785097999507597 between 6548372 and 9241212 at n=9000063.
Computation Error: Checksum mismatch for p=25785097999507601 between 7046866 and 15601207 at n=9000063.
Computation Error: Checksum mismatch for p=25785097999507663 between 3365387 and 3562234 at n=9000063.
Computation Error: Checksum mismatch for p=25785097999507681 between 10382823 and 16758743 at n=9000063.
Aborting because over 1 in 8 p's had computation errors: 768 of 768.
11:57:32 (5225): called boinc_finish
Sieve started: 25785093000000000 <= p < 25785102000000000
Resuming from checkpoint p=25785097929093633 in tpcheck25785093e9.txt
Thread 0 starting
Detected 96 multiprocessors (480 SPUs) on device 0.
Device 0 is a 'Advanced Micro Devices, Inc.' 'Turks'.
Sieve started: 25785093000000000 <= p < 25785102000000000
Resuming from checkpoint p=25785098290065921 in tpcheck25785093e9.txt
Thread 0 starting
Detected 96 multiprocessors (480 SPUs) on device 0.
Device 0 is a 'Advanced Micro Devices, Inc.' 'Turks'.
Thread 0 completed
Sieve complete: 25785093000000000 <= p < 25785102000000000
count=238159614,sum=0x96e0cf5f38895b44
Elapsed time: 2499.13 sec. (0.32 init + 2498.81 sieve) at 1484754 p/sec.
Processor time: 1542.58 sec. (0.32 init + 1542.26 sieve) at 2405648 p/sec.
Average processor utilization: 1.00 (init), 0.62 (sieve)
13:21:31 (3290): called boinc_finish
</stderr_txt>
]]> Despite reporting of all these error it seemed to keep going? 



HSA is just a buzzword. This app uses both CPU and GPU, as all GPU apps do. This one uses the CPU a little more than I'd like, actually. Technically, HSA indicates slightly closer integration between the two, but that's not an issue here.
All HSAenabled APUs should be able to run this OpenCL app.
I know both CPU and GPU cores are both used but what I'm talking about is the increased efficiency with HSA because of the use of unified memory space and from using pointers instead of usual copying of memory between the CPU and iGPU in the HSA code. I know this may not make much of difference in the sieve app since its basically all integer math but there should be at least a noticeable difference. Now as far as LLR, since HSA offloads much of the DP FPU work to the iGPU cores, I wonder if LLR would benefit a little, a lot or not at all with a modified LLR app on the HSA enabled AMD APUs. This would only work on the current Steamroller and upcoming Excavator series of APUs (and the later new AMD architecture) since they're the only fully HSA enabled ones, but it would be interesting to know for those who do have, or plans on getting an one.
____________
Largest Primes to Date:
As Double Checker: SR5 109208*5^1816285+1 Dgts1,269,534
As Initial Finder: SR5 243944*5^12585761 Dgts879,713



Ken_g6Volunteer developer
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@Roger, I noticed your machine also had an error on TRP Sieve. I thought it was almost impossible to error there. So I'm chalking it up to some kind of hardware failure too. Unless I've accidentally created a race condition somewhere. In either case, the results that are returned are correct.
@Gordon Lack, that's rather mysterious. A BOINC app isn't supposed to be resumed after boinc_finish() is called. But it seems to have resumed from a point before the errors, and didn't repeat the errors, so it's probably a correct result.
@NeoMetal, nope, I don't see anything HSA could do for the sieve. There's a lot of parallelism already in there, so that the CPU and GPU can both be working on stuff while other stuff is copied between main memory and the GPU. I rather doubt there's anything it could help with on LLR either. The limiting factor there is the performance of a Fast Fourier Transform. And the fact that George Woltman created a great customized FFT system for Intel x86, but no one has made a custom FFT for any GPU that's similarly customized.
____________




@Gordon Lack, that's rather mysterious. A BOINC app isn't supposed to be resumed after boinc_finish() is called. But it seems to have resumed from a point before the errors, and didn't repeat the errors, so it's probably a correct result. Perhaps there was some stderr.txt left from a previous run? It is odd that it started in the middle of a line...
The next one has now finished with no such silliness (http://www.primegrid.com/result.php?resultid=566171389).
In between I did try updating to the released 14.4 AMD drivers, rather than the RC2 I'm running (and both actually install as 14.10) but that lead to a disaster as the install failed, and trying to switch back to the previous working version by installing that also failed.
Fortunately I take backups, so I was able to reverted my installed OS to a earlier, working version...
Worked OK, as the completion of that second job shows (the failed upgrade/successful restore was in the middle).




I'm ruining the sieve on HD5870, but get a load lower 80%. Is there a way to increase the GPU load? 


Ken_g6Volunteer developer
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You hid your computers! So I can't tell if you're CPUlimited. The new app takes twice the CPU of the old one for the same speed  and the new app is often faster. That CPU usage is something I want to address, but it may take awhile. If you're running 64bit Windows, I may be able to improve that situation a little faster, though.
____________




Please do. I actually had to set up 1.5 CPU cores to each GPU task in app_config, to max out the R9280x's.



Ken_g6Volunteer developer
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I'm ruining the sieve on HD5870, but get a load lower 80%. Is there a way to increase the GPU load?
Oh! I might understand. Basically, even when vectorized, the sieve uses about four integer units at a time. Older VLIWarchitecture cards like yours have five integer units available. 4/5 = 80%. :) And no, there's no good way to get to 100% if that's the issue. GCN cards really are better at this task.
If the issue is CPU limitation, which I don't think it would be on a 3770k and a 5870, I'm working on that. I finally found the intrinsic I need. Now I need to add it and see if I can compile for 64bit with VS 2008 Express.
____________




I'm ruining the sieve on HD5870, but get a load lower 80%. Is there a way to increase the GPU load?
Oh! I might understand. Basically, even when vectorized, the sieve uses about four integer units at a time. Older VLIWarchitecture cards like yours have five integer units available. 4/5 = 80%. :) And no, there's no good way to get to 100% if that's the issue. GCN cards really are better at this task.
If the issue is CPU limitation, which I don't think it would be on a 3770k and a 5870, I'm working on that. I finally found the intrinsic I need. Now I need to add it and see if I can compile for 64bit with VS 2008 Express.
Thanks for your previous answer. The problem is actually in CPU load. I've assigned the highest priority to the sieve task and the load went up from 60% to 84%. If I stop all CPU tasks all together then the load goes up to 100%.
I'm using the latest Catalyst driver and I wonder if I should try another driver version. 


Ken_g6Volunteer developer
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Try leaving a full core for the sieve? Lots of OpenCL apps benefit from that.
You're also on an i7. Try turning off HT and leaving a full core for the sieve?
____________




Try leaving a full core for the sieve? Lots of OpenCL apps benefit from that.
You're also on an i7. Try turning off HT and leaving a full core for the sieve?
It's definitely going to work, but it's not a good idea for me. I'm running PSP Sieve on the CPU and it's better with HT on. If I can't get the GPU PPS Sieve to 100% load with all CPU cores occupied, then I'll leave it be.
Thanks anyway 


mikey Send message
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I just wanted to say a BIG THANKS to all the people who helped get this back on line again!! Your work IS appreciated!!! 



A few tasks ended with errors.
One with this can someone tell me the cause of the error?
Stderr output
<core_client_version>7.2.42</core_client_version>
<![CDATA[
<message>
process exited with code 139 (0x8b, 117)
</message>
<stderr_txt>
00063.
Computation Error: No candidates found for p=28855875000021211 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021211 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021211 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021211 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021211 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021211 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021211 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021211 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021211 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021217 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021217 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021217 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021217 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021217 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021217 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021217 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021217 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021217 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021239 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021239 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021239 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021239 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021239 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021239 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021239 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021239 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021239 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021257 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021257 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021257 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021257 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021257 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021257 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021257 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021257 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021257 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021259 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021259 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021259 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021259 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021259 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021259 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021259 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021259 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021259 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021287 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021287 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021287 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021287 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021287 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021287 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021287 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021287 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021287 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021299 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021299 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021299 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021299 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021299 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021299 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021299 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021299 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021299 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021301 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021301 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021301 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021301 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021301 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021301 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021301 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021301 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021301 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021331 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021331 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021331 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021331 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021331 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021331 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021331 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021331 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021331 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021343 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021343 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021343 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021343 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021343 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021343 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021343 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021343 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021343 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021373 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021373 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021373 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021373 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021373 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021373 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021373 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021373 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021373 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021383 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021383 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021383 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021383 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021383 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021383 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021383 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021383 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021383 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021427 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021427 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021427 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021427 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021427 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021427 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021427 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021427 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021427 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021527 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021527 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021527 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021527 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021527 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021527 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021527 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021527 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021527 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021577 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021577 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021577 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021577 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021577 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021577 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021577 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021577 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021577 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021583 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021583 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021583 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021583 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021583 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021583 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021583 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021583 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021583 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021679 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021679 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021679 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021679 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021679 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021679 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021679 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021679 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021679 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021691 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021691 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021691 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021691 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021691 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021691 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021691 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021691 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021691 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021697 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021697 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021697 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021697 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021697 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021697 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021697 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021697 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021697 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021731 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021731 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021731 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021731 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021731 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021731 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021731 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021731 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021731 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021851 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021851 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021851 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021851 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021851 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021851 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021851 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021851 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021851 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021899 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021899 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021899 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021899 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021899 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021899 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021899 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021899 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021899 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021911 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021911 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021911 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021911 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021911 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021911 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021911 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021911 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021911 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021929 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021929 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021929 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021929 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021929 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021929 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021929 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021929 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021929 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021941 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021941 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021941 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021941 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021941 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021941 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021941 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021941 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021941 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021967 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021967 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021967 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021967 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021967 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021967 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021967 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021967 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021967 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000021977 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000021977 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000021977 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000021977 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000021977 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000021977 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000021977 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000021977 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000021977 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022039 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022039 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022039 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022039 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022039 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022039 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022039 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022039 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022039 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022061 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022061 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022061 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022061 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022061 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022061 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022061 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022061 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022061 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022069 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022069 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022069 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022069 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022069 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022069 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022069 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022069 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022069 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022073 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022073 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022073 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022073 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022073 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022073 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022073 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022073 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022073 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022087 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022087 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022087 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022087 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022087 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022087 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022087 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022087 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022087 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022097 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022097 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022097 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022097 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022097 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022097 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022097 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022097 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022097 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022123 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022123 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022123 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022123 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022123 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022123 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022123 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022123 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022123 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022127 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022127 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022127 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022127 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022127 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022127 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022127 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022127 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022127 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022157 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022157 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022157 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022157 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022157 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022157 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022157 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022157 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022157 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022183 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022183 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022183 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022183 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022183 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022183 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022183 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022183 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022183 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022193 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022193 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022193 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022193 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022193 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022193 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022193 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022193 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022193 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022229 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022229 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022229 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022229 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022229 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022229 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022229 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022229 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022229 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022261 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022261 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022261 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022261 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022261 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022261 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022261 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022261 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022261 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022309 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022309 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022309 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022309 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022309 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022309 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022309 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022309 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022309 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022417 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022417 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022417 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022417 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022417 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022417 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022417 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022417 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022417 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022451 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022451 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022451 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022451 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022451 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022451 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022451 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022451 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022451 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022471 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022471 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022471 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022471 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022471 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022471 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022471 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022471 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022471 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022529 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022529 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022529 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022529 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022529 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022529 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022529 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022529 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022529 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022531 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022531 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022531 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022531 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022531 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022531 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022531 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022531 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022531 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022583 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022583 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022583 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022583 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022583 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022583 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022583 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022583 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022583 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022601 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022601 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022601 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022601 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022601 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022601 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022601 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022601 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022601 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022639 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022639 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022639 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022639 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022639 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022639 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022639 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022639 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022639 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022723 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022723 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022723 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022723 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022723 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022723 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022723 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022723 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022723 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022753 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022753 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022753 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022753 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022753 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022753 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022753 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022753 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022753 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022781 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022781 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022781 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022781 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022781 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022781 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022781 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022781 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022781 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022853 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022853 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022853 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022853 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022853 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022853 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022853 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022853 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022853 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022933 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022933 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022933 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022933 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022933 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022933 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022933 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022933 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022933 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000022999 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000022999 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000022999 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000022999 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000022999 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000022999 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000022999 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000022999 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000022999 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000023039 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000023039 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000023039 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000023039 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000023039 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000023039 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000023039 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000023039 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000023039 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000023167 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000023167 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000023167 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000023167 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000023167 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000023167 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000023167 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000023167 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000023167 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000023263 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000023263 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000023263 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000023263 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000023263 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000023263 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000023263 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000023263 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000023263 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000023293 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000023293 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000023293 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000023293 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000023293 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000023293 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000023293 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000023293 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000023293 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000023297 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000023297 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000023297 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000023297 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000023297 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000023297 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000023297 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000023297 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000023297 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000023339 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000023339 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000023339 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000023339 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000023339 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000023339 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000023339 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000023339 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000023339 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000023347 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000023347 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000023347 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000023347 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000023347 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000023347 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000023347 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000023347 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000023347 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000023437 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000023437 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000023437 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000023437 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000023437 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000023437 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000023437 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000023437 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000023437 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000023567 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000023567 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000023567 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000023567 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000023567 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000023567 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000023567 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000023567 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000023567 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000023597 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000023597 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000023597 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000023597 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000023597 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000023597 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000023597 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000023597 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000023597 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000023647 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000023647 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000023647 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000023647 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000023647 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000023647 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000023647 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000023647 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000023647 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000023651 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000023651 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000023651 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000023651 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000023651 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000023651 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000023651 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000023651 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000023651 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000023677 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000023677 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000023677 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000023677 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000023677 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000023677 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000023677 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000023677 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000023677 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000023707 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000023707 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000023707 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000023707 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000023707 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000023707 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000023707 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000023707 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000023707 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000023713 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000023713 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000023713 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000023713 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000023713 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000023713 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000023713 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000023713 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000023713 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000023741 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000023741 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000023741 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000023741 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000023741 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000023741 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000023741 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000023741 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000023741 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000023759 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000023759 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000023759 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000023759 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000023759 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000023759 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000023759 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000023759 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000023759 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000023779 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000023779 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000023779 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000023779 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000023779 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000023779 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000023779 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000023779 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000023779 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000023867 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000023867 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000023867 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000023867 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000023867 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000023867 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000023867 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000023867 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000023867 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000023881 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000023881 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000023881 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000023881 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000023881 between 7130495 and 7505279.
Computation Error: No candidates found for p=28855875000023881 between 6755711 and 7130495.
Computation Error: No candidates found for p=28855875000023881 between 6380927 and 6755711.
Computation Error: No candidates found for p=28855875000023881 between 5999999 and 6380927.
Computation Error: Checksum mismatch for p=28855875000023881 between 268435455 and 0 at n=9000063.
Computation Error: No candidates found for p=28855875000023927 between 8629631 and 9000063.
Computation Error: No candidates found for p=28855875000023927 between 8254847 and 8629631.
Computation Error: No candidates found for p=28855875000023927 between 7880063 and 8254847.
Computation Error: No candidates found for p=28855875000023927 between 7505279 and 7880063.
Computation Error: No candidates found for p=28855875000023927 between 



I looked in the database for that type of error. There's a total of 36 hosts that have at least one occurrence of that error, but only 10 hosts with more than 5 such errors (including yours).
The hosts include Mac, Windows, and Linux, the old sieve app as well as the new sieve app, and both Nvidia and ATI GPUs. There doesn't appear to be any indication that this is related to the type of hardware or software.
Because the errors seem to be independent of the type of hardware and software, the most likely cause is hardware errors on the GPU. An obvious culprit would be overclocking, so if you're overclocking, I'd suggest reducing the clocks to see if the problem goes away.
Another possible cause is temperature, and this might account for why only some of your tasks are failing.
____________
My lucky number is 75898^{524288}+1 



i have checked the ambient, GPU and core temps as culprits but they are within limits. I went on line for under clocking Macs and all I saw were fan speed related solutions. When the latest task error occurred my computer was not under any load. I'm primarily a photoshop user and have enough RAM to cover it and then some. 


JimBHonorary cruncher Send message
Joined: 4 Aug 11 Posts: 912 ID: 107307 Credit: 974,074,005 RAC: 157,271

Every time I see a checksum mismatch I think about memory errors. 



Not a computer literate person, can this be explained to me?
Stderr output
<core_client_version>7.2.42</core_client_version>
<![CDATA[
<message>
process exited with code 193 (0xc1, 63)
</message>
<stderr_txt>
Sieve started: 29668188000000000 <= p < 29668197000000000
Thread 0 starting
Detected 80 multiprocessors (400 SPUs) on device 0.
Device 0 is a 'AMD' 'ATI Radeon HD 5670'.
SIGABRT: abort called
Crashed executable name: primegrid_tpsieve_1.40_x86_64appledarwin__openclPPSsieveMAC
built using BOINC library version 7.0.7
Machine type Intel 80486 (64bit executable)
System version: Macintosh OS 10.9.4 build 13E28
Fri Sep 5 06:42:58 2014
Thread 0:
Thread 1:
Thread 2:
Thread 3 Crashed:
Thread 4:
Thread 5:
Thread 6:

Warning: /usr/bin/atos is moving and will be removed from a future OS X release.
It is now available in the Xcode developer tools to be invoked via: `xcrun atos`
To silence this warning, pass the 'd' commandline flag to this tool.

atos cannot load symbols for the file primegrid_tpsieve_1.40_x86_64appledarwin__openclPPSsieveMAC for architecture x86_64.
Thread 3 crashed with X86 Thread State (64bit):
rax: 0x00000000 rbx: 0x00000000 rcx: 0x00000000 rdx: 0x00000000
rdi: 0x00000000 rsi: 0x00000000 rbp: 0x100700da0 rsp: 0x00000000
r8: 0x00000000 r9: 0x00000000 r10: 0x00000000 r11: 0x00000000
r12: 0x00000000 r13: 0x00000000 r14: 0x00000000 r15: 0x00000000
rip: 0x10001bcb5 rfl: 0x00000000



Ken_g6Volunteer developer
Send message
Joined: 4 Jul 06 Posts: 891 ID: 3110 Credit: 171,111,853 RAC: 26,781

Huh, for some reason your GPU returned 0x000000ff for all tests. This claims that every test found a factor and the checksum was 0 for every test set. Most likely the numbers to test weren't sent to the GPU in the first place, though I don't know why that would be. Were you doing something graphicsintensive at the time?
____________




This error was at 10:44 UTC which if I'm guessing right that's 6:44 EST. so my computer was running else besides my browser and BOINC. 



This error was at 10:44 UTC which if I'm guessing right that's 6:44 EST. so my computer was running else besides my browser and BOINC.
Virus scanner set to run at that time?




5am 

