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I am running PRP client 5.0.4 and while crunching the PPSElow project, a prime was found! My terminal window froze with this message:
Starting Proth prime test of 2623*2^303036+1
2623*2^303036+1 is prime! Time : 92.058 sec.
Do I close the window and restart it? Just wondering...
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Just let it be, don't close the window. It should continue on when it's done doing some other tests.
Edit: Oh yeah...congrats on your find.
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 Crun-chi Volunteer tester
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It is "small" prime, you will find in average 1 or 2 per day ( of course, more tests more primes) :)) But in that project you have most chances to find prime, since you can make a large number of test very fast. More processed WU, more chance to find prime :))
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92*10^1585996-1 NEAR-REPDIGIT PRIME :) :) :)
4 * 650^498101-1 CRUS PRIME
2022202116^131072+1 GENERALIZED FERMAT
Proud member of team Aggie The Pew. Go Aggie! |
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Just let it be, don't close the window. It should continue on when it's done doing some other tests.
Edit: Oh yeah...congrats on your find.
;~) Thank you! This is my first prime found using the prpnet client that I'm aware of...
It is now doing something different! Looks like it's re-checking...?
2623*2^303036+1 is prime! Time : 140.398 sec.
GF_sprime_2: 2623*2^303036+1 127500/303035
GF_sprime_3: 2623*2^303036+1 25000/3030355
GF_sprime_5: 2623*2^303036+1 15000/3030355
GF_sprime_7: 2623*2^303036+1 17500/3030355
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It is now doing something different! Looks like it's re-checking...?
2623*2^303036+1 is prime! Time : 140.398 sec.
GF_sprime_2: 2623*2^303036+1 127500/303035
GF_sprime_3: 2623*2^303036+1 25000/3030355
GF_sprime_5: 2623*2^303036+1 15000/3030355
GF_sprime_11: 2623*2^303036+1 5000/3030355
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http://stats.free-dc.org/pgridtag.php?id=51592&theme=2 |
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Just let it be, don't close the window. It should continue on when it's done doing some other tests.
Edit: Oh yeah...congrats on your find.
;~) Thank you! This is my first prime found using the prpnet client that I'm aware of...
Running PPSElow is the only primes I've found running prpnet, I think. It's invigorating finding a prime no matter what size it is!
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It is now doing something different! Looks like it's re-checking...?
2623*2^303036+1 is prime! Time : 140.398 sec.
GF_sprime_2: 2623*2^303036+1 127500/303035
GF_sprime_3: 2623*2^303036+1 25000/3030355
GF_sprime_5: 2623*2^303036+1 15000/3030355
I believe it is checking to see if the prime that you found divides a generalized fermat number.
Just let it run.
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It is now doing something different! Looks like it's re-checking...?
2623*2^303036+1 is prime! Time : 140.398 sec.
GF_sprime_2: 2623*2^303036+1 127500/303035
GF_sprime_3: 2623*2^303036+1 25000/3030355
GF_sprime_5: 2623*2^303036+1 15000/3030355
I believe it is checking to see if the prime that you found divides a generalized fermat number.
Just let it run.
OK! Yea, this is a new process to me!
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http://stats.free-dc.org/pgridtag.php?id=51592&theme=2 |
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It is now doing something different! Looks like it's re-checking...?
2623*2^303036+1 is prime! Time : 140.398 sec.
GF_sprime_2: 2623*2^303036+1 127500/303035
GF_sprime_3: 2623*2^303036+1 25000/3030355
GF_sprime_5: 2623*2^303036+1 15000/3030355
I believe it is checking to see if the prime that you found divides a generalized fermat number.
Just let it run.
My terminal window is still open, but has not done anything since yesterday! It seems that it is frozen on the message: 2623*2^303036+1 is prime! Does it usually take this long to process the data? My test_results.log file shows that there was a prime found, but I don't know why my window is locked up...
Here is the copy of the message in my logfile: [2012-01-14 13:02:50 PST] Server: PPSElow, Candidate: 2623*2^303036+1 Program: llr Residue: PRIME Time: 92 seconds
Thoughts....
(edit) Oh, BTW, I initiated a ctrl-c to close the terminal window, but a proper shutdown has not happened yet. This is what is currently on my screen: "^C
Ctrl-C detected, shutting down the program."
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rogueVolunteer developer
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It is now doing something different! Looks like it's re-checking...?
2623*2^303036+1 is prime! Time : 140.398 sec.
GF_sprime_2: 2623*2^303036+1 127500/303035
GF_sprime_3: 2623*2^303036+1 25000/3030355
GF_sprime_5: 2623*2^303036+1 15000/3030355
I believe it is checking to see if the prime that you found divides a generalized fermat number.
Just let it run.
My terminal window is still open, but has not done anything since yesterday! It seems that it is frozen on the message: 2623*2^303036+1 is prime! Does it usually take this long to process the data? My test_results.log file shows that there was a prime found, but I don't know why my window is locked up...
Here is the copy of the message in my logfile: [2012-01-14 13:02:50 PST] Server: PPSElow, Candidate: 2623*2^303036+1 Program: llr Residue: PRIME Time: 92 seconds
Thoughts....
(edit) Oh, BTW, I initiated a ctrl-c to close the terminal window, but a proper shutdown has not happened yet. This is what is currently on my screen: "^C
Ctrl-C detected, shutting down the program."
Sounds like an infinite loop. Presuming *nix, use ps to find the offending process and kill it. Before doing so, determine if it is using CPU or not. If so, then it is looping, if not, it might be waiting for something.
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I had the same problem 3 days before. I found a prime and then the terminal window was frozen with the message "6793*2^302502+1 is prime!".
In the prpclient.log I found this message:
[2012-01-12 08:39:16 CET] PPSElow: 6793*2^302502+1 is prime
[2012-01-12 08:40:21 CET] PPSElow: Could not open file [work_PPSElow.out] for reading. Assuming user stopped with ^C
When the tested numbers are not prime, everything works fine. |
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I had the same problem 3 days before. I found a prime and then the terminal window was frozen with the message "6793*2^302502+1 is prime!".
In the prpclient.log I found this message:
[2012-01-12 08:39:16 CET] PPSElow: 6793*2^302502+1 is prime
[2012-01-12 08:40:21 CET] PPSElow: Could not open file [work_PPSElow.out] for reading. Assuming user stopped with ^C
When the tested numbers are not prime, everything works fine.
Adrian, are you using the 5.0.4 client also when this happens?
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I was using the 5.0.3 client, when it happend. Now I changed to 5.0.4. |
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rogueVolunteer developer
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I'll investigate. There might be some path in the code that is causing the problem. |
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Now I found my second PPSElow-prime and I have the same problem again. I can not report the prime-number.
The terminal window is frozen and shows:
"2167*2^303758+1 is prime! Time : 137.950 sec."
test_results.log:
[2012-01-17 17:16:38 CET] Server: PPSElow, Candidate: 8613*2^303756+1 Program: llr Residue: AFB6B1D51B64D2D9 Time: 136 seconds
[2012-01-17 17:18:57 CET] Server: PPSElow, Candidate: 2167*2^303758+1 Program: llr Residue: PRIME Time: 138 seconds
The prpclient.log shows only the last non-prime:
[2012-01-17 17:14:16 CET] PPSElow: Getting work from server prpnet.mine.nu at port 12000
[2012-01-17 17:14:22 CET] PPSElow: PRPNet server is version 4.3.6
[2012-01-17 17:16:38 CET] PPSElow: 8613*2^303756+1 is not prime. Residue AFB6B1D51B64D2D9
Maybe it's a problem only with the macintel-version of the prpclient 5.0.4. I think that Ronald Littelfield has a Mac-computer too.
I hope, somebody can find out, what's causing the problem and fix it.
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My lucky number: 65531*2^3629342-1 (TRP) |
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rogueVolunteer developer
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Maybe it's a problem only with the macintel-version of the prpclient 5.0.4. I think that Ronald Littelfield has a Mac-computer too.
This appears to be a problem with 32-bit builds of pfgw on MacIntel. I have been able to reproduce the problem and have narrowed down the area where it could be, but haven't found the cause yet. This occurs when doing GFN divisibility testing on a base 2 prime. This does not occur on 32-bit builds of pfgw on Windows and it does not occur on 64-bit builds on MacIntel.
Can anyone on Linux run this test:
./pfgw32 -k -f0 -gxo -q2623*2^303036+1
and let me know if it hangs or completes?
--Mark |
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I changed the stopoption into 0 - promt in the master_prpclient and then shut down the program with Ctrl-C. After that the prime-number was accepted!? I have no idea what's happening.
Here is what the Terminal-window shows:
Starting Proth prime test of 2167*2^303758+1
2167*2^303758+1 is prime! Time : 162.394 sec.
^C_sprime_2: 2167*2^303758+1 185000/303757
Ctrl-C detected, shutting down the program.
GFN testing completed
[2012-01-17 18:57:26 CET] PPSElow: 2167*2^303758+1 is prime
Starting Proth prime test of 8713*2^303756+1
^C13*2^303756+1, bit: 30000 / 303769 [9.87%]. Time per bit: 0.457 ms. a = 3
Caught signal. Terminating.
[2012-01-17 18:57:44 CET] PPSElow: Could not open file [lresults.txt] for reading. Assuming user stopped with ^C
[2012-01-17 18:57:44 CET] Total Time: 0:06:07 Total Work Units: 1 Special Results Found: 1
[2012-01-17 18:57:44 CET] PPSElow: Returning work to server prpnet.mine.nu at port 12000
[2012-01-17 18:57:44 CET] PPSElow: INFO: Test for 2167*2^303758+1 was accepted
[2012-01-17 18:57:44 CET] PPSElow: INFO: All 1 test results were accepted
[2012-01-17 18:57:44 CET] Client shutdown complete
logout |
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Crun-chiVolunteer tester
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Maybe it's a problem only with the macintel-version of the prpclient 5.0.4. I think that Ronald Littelfield has a Mac-computer too.
This appears to be a problem with 32-bit builds of pfgw on MacIntel. I have been able to reproduce the problem and have narrowed down the area where it could be, but haven't found the cause yet. This occurs when doing GFN divisibility testing on a base 2 prime. This does not occur on 32-bit builds of pfgw on Windows and it does not occur on 64-bit builds on MacIntel.
Can anyone on Linux run this test:
./pfgw32 -k -f0 -gxo -q2623*2^303036+1
and let me know if it hangs or completes?
--Mark
What version of pfgw need to be? I will be happy to help if I may.
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92*10^1585996-1 NEAR-REPDIGIT PRIME :) :) :)
4 * 650^498101-1 CRUS PRIME
2022202116^131072+1 GENERALIZED FERMAT
Proud member of team Aggie The Pew. Go Aggie! |
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Maybe it's a problem only with the macintel-version of the prpclient 5.0.4. I think that Ronald Littelfield has a Mac-computer too.
This appears to be a problem with 32-bit builds of pfgw on MacIntel. I have been able to reproduce the problem and have narrowed down the area where it could be, but haven't found the cause yet. This occurs when doing GFN divisibility testing on a base 2 prime. This does not occur on 32-bit builds of pfgw on Windows and it does not occur on 64-bit builds on MacIntel.
Can anyone on Linux run this test:
./pfgw32 -k -f0 -gxo -q2623*2^303036+1
and let me know if it hangs or completes?
--Mark
Worked for me. Tested on Ubuntu 10.04 64bit.
~/Desktop/prpclient-5.0.4-linux_32/programs$ ./pfgw32 -k -f0 -gxo -q2623*2^303036+1
GFN testing completed
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Not working for me :(
Custom kernel 2.6.39.4 (64 bit)
PRPNet PFGW version 5.0.4
If I test with syntax ./pfgw32 -k -f0 -gxo -q2623*2^303036+1
then got same as user
GF_sprime_2: 2623*2^303036+1 127500/303035
GF_sprime_3: 2623*2^303036+1 25000/3030355
GF_sprime_5: 2623*2^303036+1 15000/3030355
GF_sprime_7: 2623*2^303036+1 17500/3030355
(notice last "big number" 303035 )
it is changed to 3030355 but after progress reach 10000/xxxxxx then is changed back to "normal value" -303035
Same is with PFGW 64 bit
If I run test with -d -q switch then it show number is composite and finished after 62 or 68 seconds ( 32 or 64 bit version)
____________
92*10^1585996-1 NEAR-REPDIGIT PRIME :) :) :)
4 * 650^498101-1 CRUS PRIME
2022202116^131072+1 GENERALIZED FERMAT
Proud member of team Aggie The Pew. Go Aggie! |
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rogueVolunteer developer
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Not working for me :(
Custom kernel 2.6.39.4 (64 bit)
PRPNet PFGW version 5.0.4
If I test with syntax ./pfgw32 -k -f0 -gxo -q2623*2^303036+1
then got same as user
GF_sprime_2: 2623*2^303036+1 127500/303035
GF_sprime_3: 2623*2^303036+1 25000/3030355
GF_sprime_5: 2623*2^303036+1 15000/3030355
GF_sprime_7: 2623*2^303036+1 17500/3030355
(notice last "big number" 303035 )
it is changed to 3030355 but after progress reach 10000/xxxxxx then is changed back to "normal value" -303035
Same is with PFGW 64 bit
If I run test with -d -q switch then it show number is composite and finished after 62 or 68 seconds ( 32 or 64 bit version)
Don't worry about the format of the output. It clearly isn't writing over a "5" from a previous write to the console. I'll fix that.
What happens if you run this:
./pfgw32 -q2623*2^303036+1
and this:
./pfgw32 -tm -q2623*2^303036+1
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Crun-chiVolunteer tester
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./pfgw32 -q2623*2^303036+1
2623*2^303036+1 is 3-PRP
./pfgw64 -q2623*2^303036+1
2623*2^303036+1 is 3-PRP
./pfgw32 -tm -q2623*2^303036+1
2623*2^303036+1 is a prime (86seconds)
./pfgw64 -tm -q2623*2^303036+1
2623*2^303036+1 is a prime (80seconds)
So how now number is prime, and before was composite?
But in all four cases WU is finished
____________
92*10^1585996-1 NEAR-REPDIGIT PRIME :) :) :)
4 * 650^498101-1 CRUS PRIME
2022202116^131072+1 GENERALIZED FERMAT
Proud member of team Aggie The Pew. Go Aggie! |
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What happens if you run this:
./pfgw32 -q2623*2^303036+1
and this:
./pfgw32 -tm -q2623*2^303036+1
I get this:
./pfgw32 -q2623*2^303036+1
PFGW Version 3.6.0.32BIT.20111222.x86_Dev [GWNUM 26.6]
2623*2^303036+1 is 3-PRP! (124.3395s+0.0003s)
and
./pfgw32 -tm -q2623*2^303036+1
PFGW Version 3.6.0.32BIT.20111222.x86_Dev [GWNUM 26.6]
Primality testing 2623*2^303036+1 [N-1, Brillhart-Lehmer Selfridge]
Running N-1 test using base 3
Calling Brillhart-Lehmer-Selfridge with factored part 100.00% 2623*2^303036+1 is prime! (111.4456s+0.0002s)
Looks good, right?
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So how now number is prime, and before was composite?
But in all four cases WU is finished
I think it was prime since the first post on this thread. Just not a gfn divisor. |
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Now I found my second PPSElow-prime and I have the same problem again. I can not report the prime-number.
The terminal window is frozen and shows:
"2167*2^303758+1 is prime! Time : 137.950 sec."
test_results.log:
[2012-01-17 17:16:38 CET] Server: PPSElow, Candidate: 8613*2^303756+1 Program: llr Residue: AFB6B1D51B64D2D9 Time: 136 seconds
[2012-01-17 17:18:57 CET] Server: PPSElow, Candidate: 2167*2^303758+1 Program: llr Residue: PRIME Time: 138 seconds
The prpclient.log shows only the last non-prime:
[2012-01-17 17:14:16 CET] PPSElow: Getting work from server prpnet.mine.nu at port 12000
[2012-01-17 17:14:22 CET] PPSElow: PRPNet server is version 4.3.6
[2012-01-17 17:16:38 CET] PPSElow: 8613*2^303756+1 is not prime. Residue AFB6B1D51B64D2D9
Maybe it's a problem only with the macintel-version of the prpclient 5.0.4. I think that Ronald Littlefield has a Mac-computer too.
I hope, somebody can find out, what's causing the problem and fix it.
You are correct!
Ronald J. Littlefield
24" iMac (2009) 2.93GHz Intel Core 2 Duo 8 GB DDR3 RAM 640 GB SATA HDD nVidia GT120 256MB DDR3 RAM SuperDrive Mac OS X 10.6.8 (Snow Leopard)
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rogueVolunteer developer
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I'm still investigating the problem. I suspect a miscompile with GMP. Unfortunately GMP 5.0.2 will not build with llvm-gcc, which Apple no longer uses. It does build with clang, installed as part of Xcode 4. I have been able to build GMP, but now I get a different error at runtime. I might need to talk to George about it a the error is showing up in gwnum. |
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Thanks Mark for taking the time to work this out! I guess I've stumbled onto a "bug" in the program for the Mac, but that's what we're here for ... right? Thanks again!
Ron
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I've posted pfgw 3.6.1 here: https://sourceforge.net/projects/openpfgw/. This is a Mac only release to address the hanging issue. I suspect a faulty build of GMP. I had been using GMP 5.0.1 which I built with llvm-gcc. Apparently llvm-gcc (which comes with Xcode 3) does not build GMP correctly. I had to upgrade to build GMP (now at 5.0.2) and pfgw with clang (which comes with Xcode 4 IIUC). |
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I've posted pfgw 3.6.1 here: https://sourceforge.net/projects/openpfgw/. This is a Mac only release to address the hanging issue. I suspect a faulty build of GMP. I had been using GMP 5.0.1 which I built with llvm-gcc. Apparently llvm-gcc (which comes with Xcode 3) does not build GMP correctly. I had to upgrade to build GMP (now at 5.0.2) and pfgw with clang (which comes with Xcode 4 IIUC).
Confirmed that it works. PRPClient package for MacIntel has been updated to pfgw v3.6.1.
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I've posted pfgw 3.6.1 here: https://sourceforge.net/projects/openpfgw/. This is a Mac only release to address the hanging issue. I suspect a faulty build of GMP. I had been using GMP 5.0.1 which I built with llvm-gcc. Apparently llvm-gcc (which comes with Xcode 3) does not build GMP correctly. I had to upgrade to build GMP (now at 5.0.2) and pfgw with clang (which comes with Xcode 4 IIUC).
Confirmed that it works. PRPClient package for MacIntel has been updated to pfgw v3.6.1.
Yes it does work! The w/u has processed, but I'm confused on the results message...
GFN testing completed
[2012-01-20 15:53:04 PST] PPSElow: 2623*2^303036+1 is prime
[2012-01-20 15:53:04 PST] Total Time: 0:14:27 Total Work Units: 1 Special Results Found: 1
[2012-01-20 15:53:05 PST] PPSElow: Returning work to server prpnet.mine.nu at port 12000
[2012-01-20 15:53:05 PST] PPSElow: INFO: Test for 2623*2^303036+1 was ignored. Candidate and/or test was not found
[2012-01-20 15:53:06 PST] PPSElow: INFO: 0 of 1 test results were accepted
Has the w/u been tossed out?
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rogueVolunteer developer
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Yes it does work! The w/u has processed, but I'm confused on the results message...
GFN testing completed
[2012-01-20 15:53:04 PST] PPSElow: 2623*2^303036+1 is prime
[2012-01-20 15:53:04 PST] Total Time: 0:14:27 Total Work Units: 1 Special Results Found: 1
[2012-01-20 15:53:05 PST] PPSElow: Returning work to server prpnet.mine.nu at port 12000
[2012-01-20 15:53:05 PST] PPSElow: INFO: Test for 2623*2^303036+1 was ignored. Candidate and/or test was not found
[2012-01-20 15:53:06 PST] PPSElow: INFO: 0 of 1 test results were accepted
Has the w/u been tossed out?
The work unit had expired on the server before you returned the result. |
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Yes it does work! The w/u has processed, but I'm confused on the results message...
GFN testing completed
[2012-01-20 15:53:04 PST] PPSElow: 2623*2^303036+1 is prime
[2012-01-20 15:53:04 PST] Total Time: 0:14:27 Total Work Units: 1 Special Results Found: 1
[2012-01-20 15:53:05 PST] PPSElow: Returning work to server prpnet.mine.nu at port 12000
[2012-01-20 15:53:05 PST] PPSElow: INFO: Test for 2623*2^303036+1 was ignored. Candidate and/or test was not found
[2012-01-20 15:53:06 PST] PPSElow: INFO: 0 of 1 test results were accepted
Has the w/u been tossed out?
The work unit had expired on the server before you returned the result.
O.K. that explains it!
On a positive note, another prime was found on the second terminal window, and the new version of pfgw 3.6.1 processed the prime without a hicup!! Good work Mark!
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