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drummers-lowrise
1) Message boards : Number crunching : AMD Navi 5500/5700? (Message 136450)
Posted 31 days ago by walli
I would really like to see how they perform at manual sieving :).
2) Message boards : Sieving : Curiousity (Message 131705)
Posted 199 days ago by walli
+1 :)
3) Message boards : Sieving : "Your in-progress reservations" shows only 5 reservations (Message 120376)
Posted 529 days ago by walli
It looks great, thank you :).

What about an additional line to sum up all in-progress reservations like:

Your in-progress GFN20 reservations 2018-09-01: 146450P-146850P (400P) is in progress. 2018-09-04: 147600P-148000P (400P) is in progress. 2018-09-04: 148000P-148400P (400P) is in progress. ... In Total: 11 reservations (4.400P)


?

I would appreciate it (maybe only shown if #reservations>=3 ...?).

Another thing: In my opinion the time that was "needed" for the last 5 "completed" reservations is not very useful, at least not to me, because I don't start crunching right after making my reservations and I also don't make uploads in time when the computations are finished. And since it doesn't reflect the "real computation time", it's kind of worthless for me to know. I have my own tables here where I do my calculations, e.g. which machine with which cpu(s)/gpu(s) needs how many hours for completing X many Ps/Gs of GFN-Y/PPS/FPS... I also wrote some kind of egg-timer for myself to know when I have to make new reservations depending on my spare time (to avoid idle times on my cpu(s)/gpu(s)). It looks like:

https://img1.picload.org/image/dliwpoor/pg-msm.png

Very basic things like remaining hours, minutes, some label like the computer name (and/or which project or whatever) and a button to turning the timer on or off. It does a fairly good job :).

So, is this info (about the recent completed reservations) really interesting?

If the result files would contain timecodes about the start and finish of a computation, and timestamps for whenever the computation was interrupted, then... yeah, that would be cool :).
4) Message boards : Sieving : "Your in-progress reservations" shows only 5 reservations (Message 120362)
Posted 530 days ago by walli
Hi,

when I want to make a new reservation, the page gives me some info on "Your recent completed reservations" and "Your in-progress reservations", but the latter one only shows my latest 5 reservations, not all current reservations (of the same GFN category of course; e.g. I have 11 open reservations @GFN20 at the moment). Is this intended?

walli
5) Message boards : Sieving : fsievecl64.exe vs fpsieve-x86_64-linux (Message 119026)
Posted 603 days ago by walli
Thank you very much for making this clear because I wasn't sure about the behaviour. I could have done more testing, yes... but... ^^
6) Message boards : Sieving : fsievecl64.exe vs fpsieve-x86_64-linux (Message 118985)
Posted 605 days ago by walli
Hi,

I ran a short test on FPS (range 8844-8845G) with the CPU and GPU app, but my GPU returned more results:

fsievecl64.exe:
---------------
8844124870297 | 23288!-1
8844301414811 | 490811!+1
8844346130771 | 413493!+1
8844391565431 | 453319!-1
8844512918177 | 379163!-1
8844516749147 | 695243!+1
8844635693029 | 313352!+1
8844792669553 | 766503!+1
8844821508923 | 579427!-1
8844830308543 | 719502!+1
8844963952049 | 692143!+1

fpsieve-x86_64-linux:
---------------------
8844346130771 | 413493!+1
8844516749147 | 695243!+1
8844635693029 | 313352!+1
8844792669553 | 766503!+1
8844821508923 | 579427!-1
8844963952049 | 692143!+1

I'm not into the topic, so my question is: Is it ok that the CPU app "potentially" removes less candidates (and sometimes even 0) than the OpenCL app?

I ask because my CPU took about 3 hours for 1G whereas my GPU crunched a little under an hour for the same range.
7) Message boards : Sieving : New automated manual sieving system (Message 118869)
Posted 608 days ago by walli
Max reservations are currently at:

GFN17: 200P
GFN18: 200P
GFN19: 400P
GFN20: 200P
GFN21: 400P
GFN22: 400P

I'm not sure about GFN17/18, but at least you could bump GFN20 to 400P.
8) Message boards : Sieving : Cygwin problems @GFN sieving OpenCL app for Windows (Message 116480)
Posted 694 days ago by walli
Hi,

I just noticed that when I use the latest "gfnsvocl_w64_2G.exe" app with the current Cygwin + bash on Windows 10 64 bit (1709), there is a problem with CTRL+C. If you restart the app, despite the checkpoint file, you will find some double entries in the result file:

mcw@dagobert /cygdrive/c/Users/mcw/Desktop/sieve $ ls -al insgesamt 144 drwx------+ 1 mcw Kein 0 18. Mrz 15:35 . drwxrwx---+ 1 mcw Kein 0 18. Mrz 16:09 .. -rwx------+ 1 mcw Kein 137216 15. Jan 20:48 ocl_w64_2G.exe mcw@dagobert /cygdrive/c/Users/mcw/Desktop/sieve $ ./ocl_w64_2G.exe 18 91483 91488 B12 GFNSvCUDA+ v0.7.1 (c) 2015 Anand Nair (anand.s.nair AT gmail) OpenCL port by Roman Trunov (stream AT proxyma ru) GFN Sieve for k^262144+1 [k == 2 to 2000000000] Using factor file 'f18_91483P_91488P.txt' Using checkpoint file 'c18_91483P_91488P.txt' Found OCL platform "AMD Accelerated Parallel Processing" by "Advanced Micro Devices, Inc." GPU devices on platform: 0 Found OCL platform "NVIDIA CUDA" by "NVIDIA Corporation" GPU devices on platform: 1 Found OCL platform "Intel(R) OpenCL" by "Intel(R) Corporation" GPU devices on platform: 1 D0: "GeForce GTX 970" D1: "Intel(R) HD Graphics 610" Using 79 bit core. 91483000763856715777 | 821639908^262144+1 91483012664942657537 | 1181562520^262144+1 91483017290328309761 | 1327778384^262144+1 91483017741184008193 | 1725107092^262144+1 91483016963236036609 87381.3/s (91.0P/day) Found 2 ETA 1h18m


<- CTRL+C pressed

mcw@dagobert /cygdrive/c/Users/mcw/Desktop/sieve $ ls -al insgesamt 146 drwx------+ 1 mcw Kein 0 27. Mrz 16:46 . drwxrwx---+ 1 mcw Kein 0 18. Mrz 16:09 .. -rwx------+ 1 mcw Kein 15 27. Mrz 16:46 c18_91483P_91488P.txt -rwx------+ 1 mcw Kein 226 27. Mrz 16:46 f18_91483P_91488P.txt -rwx------+ 1 mcw Kein 137216 15. Jan 20:48 ocl_w64_2G.exe mcw@dagobert /cygdrive/c/Users/mcw/Desktop/sieve $ cat c18_91483P_91488P.txt 174489975727905 mcw@dagobert /cygdrive/c/Users/mcw/Desktop/sieve $ ./ocl_w64_2G.exe 18 91483 91488 B12 GFNSvCUDA+ v0.7.1 (c) 2015 Anand Nair (anand.s.nair AT gmail) OpenCL port by Roman Trunov (stream AT proxyma ru) GFN Sieve for k^262144+1 [k == 2 to 2000000000] Using factor file 'f18_91483P_91488P.txt' Using checkpoint file 'c18_91483P_91488P.txt' Resuming from checkpoint value 91483000394431856641 Found OCL platform "AMD Accelerated Parallel Processing" by "Advanced Micro Devices, Inc." GPU devices on platform: 0 Found OCL platform "NVIDIA CUDA" by "NVIDIA Corporation" GPU devices on platform: 1 Found OCL platform "Intel(R) OpenCL" by "Intel(R) Corporation" GPU devices on platform: 1 D0: "GeForce GTX 970" D1: "Intel(R) HD Graphics 610" Using 79 bit core. 91483000763856715777 | 821639908^262144+1 91483012664942657537 | 1181562520^262144+1 91483017290328309761 | 1327778384^262144+1 91483017741184008193 | 1725107092^262144+1 91483017359941697537 87797.6/s (91.4P/day) Found 3 ETA 1h18m


<- CTRL+C pressed

mcw@dagobert /cygdrive/c/Users/mcw/Desktop/sieve $ ls -al insgesamt 146 drwx------+ 1 mcw Kein 0 27. Mrz 16:46 . drwxrwx---+ 1 mcw Kein 0 18. Mrz 16:09 .. -rwx------+ 1 mcw Kein 15 27. Mrz 16:47 c18_91483P_91488P.txt -rwx------+ 1 mcw Kein 401 27. Mrz 16:47 f18_91483P_91488P.txt -rwx------+ 1 mcw Kein 137216 15. Jan 20:48 ocl_w64_2G.exe


And now you see the double entries:

mcw@dagobert /cygdrive/c/Users/mcw/Desktop/sieve $ cat f18_91483P_91488P.txt GFN Sieve for k^262144+1 [k == 2 to 2000000000] 91483000763856715777 | 821639908^262144+1 91483012664942657537 | 1181562520^262144+1 91483017290328309761 | 1327778384^262144+1 91483017741184008193 | 1725107092^262144+1 91483000763856715777 | 821639908^262144+1 91483012664942657537 | 1181562520^262144+1 91483017290328309761 | 1327778384^262144+1 91483017741184008193 | 1725107092^262144+1 mcw@dagobert /cygdrive/c/Users/mcw/Desktop/sieve $


This behaviour does not occur when I use CMD.EXE:

C:\Users\mcw\Desktop\sieve>dir Volume in Laufwerk C: hat keine Bezeichnung. Volumeseriennummer: 645D-122D Verzeichnis von C:\Users\mcw\Desktop\sieve 27.03.2018 17:01 <DIR> . 27.03.2018 17:01 <DIR> .. 15.01.2018 21:48 137.216 ocl_w64_2G.exe 1 Datei(en), 137.216 Bytes 2 Verzeichnis(se), 145.678.970.880 Bytes frei C:\Users\mcw\Desktop\sieve>ocl_w64_2G.exe 18 91483 91488 B12 GFNSvCUDA+ v0.7.1 (c) 2015 Anand Nair (anand.s.nair AT gmail) OpenCL port by Roman Trunov (stream AT proxyma ru) GFN Sieve for k^262144+1 [k == 2 to 2000000000] Using factor file 'f18_91483P_91488P.txt' Using checkpoint file 'c18_91483P_91488P.txt' Found OCL platform "AMD Accelerated Parallel Processing" by "Advanced Micro Devices, Inc." GPU devices on platform: 0 Found OCL platform "NVIDIA CUDA" by "NVIDIA Corporation" GPU devices on platform: 1 Found OCL platform "Intel(R) OpenCL" by "Intel(R) Corporation" GPU devices on platform: 1 D0: "GeForce GTX 970" D1: "Intel(R) HD Graphics 610" Using 79 bit core. 91483000763856715777 | 821639908^262144+1 91483012664942657537 | 1181562520^262144+1 91483017290328309761 | 1327778384^262144+1 91483017741184008193 | 1725107092^262144+1 91483034910712135681 | 35354860^262144+1 91483038856307015681 | 1656806252^262144+1 91483039862987161601 87381.3/s (91.0P/day) Found 6 ETA 1h18m Termination requested 91483043018746888193 87381.3/s (91.0P/day) Found 6 ETA 1h18m


<- CTRL+C pressed

C:\Users\mcw\Desktop\sieve>dir Volume in Laufwerk C: hat keine Bezeichnung. Volumeseriennummer: 645D-122D Verzeichnis von C:\Users\mcw\Desktop\sieve 27.03.2018 17:02 <DIR> . 27.03.2018 17:02 <DIR> .. 27.03.2018 17:03 15 c18_91483P_91488P.txt 27.03.2018 17:02 312 f18_91483P_91488P.txt 15.01.2018 21:48 137.216 ocl_w64_2G.exe 3 Datei(en), 137.543 Bytes 2 Verzeichnis(se), 145.679.269.888 Bytes frei C:\Users\mcw\Desktop\sieve>type c18_91483P_91488P.txt 174490057027335 C:\Users\mcw\Desktop\sieve>type f18_91483P_91488P.txt GFN Sieve for k^262144+1 [k == 2 to 2000000000] 91483000763856715777 | 821639908^262144+1 91483012664942657537 | 1181562520^262144+1 91483017290328309761 | 1327778384^262144+1 91483017741184008193 | 1725107092^262144+1 91483034910712135681 | 35354860^262144+1 91483038856307015681 | 1656806252^262144+1 C:\Users\mcw\Desktop\sieve>ocl_w64_2G.exe 18 91483 91488 B12 GFNSvCUDA+ v0.7.1 (c) 2015 Anand Nair (anand.s.nair AT gmail) OpenCL port by Roman Trunov (stream AT proxyma ru) GFN Sieve for k^262144+1 [k == 2 to 2000000000] Using factor file 'f18_91483P_91488P.txt' Using checkpoint file 'c18_91483P_91488P.txt' Resuming from checkpoint value 91483043018747412481 Found OCL platform "AMD Accelerated Parallel Processing" by "Advanced Micro Devices, Inc." GPU devices on platform: 0 Found OCL platform "NVIDIA CUDA" by "NVIDIA Corporation" GPU devices on platform: 1 Found OCL platform "Intel(R) OpenCL" by "Intel(R) Corporation" GPU devices on platform: 1 D0: "GeForce GTX 970" D1: "Intel(R) HD Graphics 610" Using 79 bit core. 91483046085517639681 | 1101324452^262144+1 91483048858065829889 | 1230460700^262144+1 91483050224393912321 | 1493028414^262144+1 91483055143844315137 | 1769064358^262144+1 91483058338980167681 | 477873178^262144+1 91483056042833084417 86946.6/s (90.5P/day) Found 4 ETA 1h18m Termination requested


<- CTRL+C pressed

C:\Users\mcw\Desktop\sieve>type f18_91483P_91488P.txt GFN Sieve for k^262144+1 [k == 2 to 2000000000] 91483000763856715777 | 821639908^262144+1 91483012664942657537 | 1181562520^262144+1 91483017290328309761 | 1327778384^262144+1 91483017741184008193 | 1725107092^262144+1 91483034910712135681 | 35354860^262144+1 91483038856307015681 | 1656806252^262144+1 91483046085517639681 | 1101324452^262144+1 91483048858065829889 | 1230460700^262144+1 91483050224393912321 | 1493028414^262144+1 91483055143844315137 | 1769064358^262144+1 91483058338980167681 | 477873178^262144+1 C:\Users\mcw\Desktop\sieve>ocl_w64_2G.exe 18 91483 91488 B12 GFNSvCUDA+ v0.7.1 (c) 2015 Anand Nair (anand.s.nair AT gmail) OpenCL port by Roman Trunov (stream AT proxyma ru) GFN Sieve for k^262144+1 [k == 2 to 2000000000] Using factor file 'f18_91483P_91488P.txt' Using checkpoint file 'c18_91483P_91488P.txt' Resuming from checkpoint value 91483058805401452545 Found OCL platform "AMD Accelerated Parallel Processing" by "Advanced Micro Devices, Inc." GPU devices on platform: 0 Found OCL platform "NVIDIA CUDA" by "NVIDIA Corporation" GPU devices on platform: 1 Found OCL platform "Intel(R) OpenCL" by "Intel(R) Corporation" GPU devices on platform: 1 D0: "GeForce GTX 970" D1: "Intel(R) HD Graphics 610" Using 79 bit core. 91483064750573617153 | 1356201550^262144+1 91483082985882255361 | 1498244334^262144+1 91483084423112949761 | 479758486^262144+1 91483084930536701953 | 1780915770^262144+1 91483084871849476097 86487.6/s (90.0P/day) Found 3 ETA 1h18m Termination requested


<- CTRL+C pressed

C:\Users\mcw\Desktop\sieve>ocl_w64_2G.exe 18 91483 91488 B12 GFNSvCUDA+ v0.7.1 (c) 2015 Anand Nair (anand.s.nair AT gmail) OpenCL port by Roman Trunov (stream AT proxyma ru) GFN Sieve for k^262144+1 [k == 2 to 2000000000] Using factor file 'f18_91483P_91488P.txt' Using checkpoint file 'c18_91483P_91488P.txt' Resuming from checkpoint value 91483087626457579521 Found OCL platform "AMD Accelerated Parallel Processing" by "Advanced Micro Devices, Inc." GPU devices on platform: 0 Found OCL platform "NVIDIA CUDA" by "NVIDIA Corporation" GPU devices on platform: 1 Found OCL platform "Intel(R) OpenCL" by "Intel(R) Corporation" GPU devices on platform: 1 D0: "GeForce GTX 970" D1: "Intel(R) HD Graphics 610" Using 79 bit core. 91483088936013660161 | 1326652510^262144+1 91483089472017399809 | 1277599416^262144+1 91483091176579399681 86917.8/s (90.5P/day) Found 2 ETA 1h18m Termination requested


<- CTRL+C pressed

C:\Users\mcw\Desktop\sieve>ocl_w64_2G.exe 18 91483 91488 B12 GFNSvCUDA+ v0.7.1 (c) 2015 Anand Nair (anand.s.nair AT gmail) OpenCL port by Roman Trunov (stream AT proxyma ru) GFN Sieve for k^262144+1 [k == 2 to 2000000000] Using factor file 'f18_91483P_91488P.txt' Using checkpoint file 'c18_91483P_91488P.txt' Resuming from checkpoint value 91483091569822138369 Found OCL platform "AMD Accelerated Parallel Processing" by "Advanced Micro Devices, Inc." GPU devices on platform: 0 Found OCL platform "NVIDIA CUDA" by "NVIDIA Corporation" GPU devices on platform: 1 Found OCL platform "Intel(R) OpenCL" by "Intel(R) Corporation" GPU devices on platform: 1 D0: "GeForce GTX 970" D1: "Intel(R) HD Graphics 610" Using 79 bit core. 91483094216605696001 | 1263954208^262144+1 91483097949873897473 | 1676786212^262144+1 91483097973808168961 | 141132714^262144+1 91483098276698259457 86487.6/s (90.0P/day) Found 3 ETA 1h18m Termination requested


<- CTRL+C pressed

C:\Users\mcw\Desktop\sieve>type f18_91483P_91488P.txt GFN Sieve for k^262144+1 [k == 2 to 2000000000] 91483000763856715777 | 821639908^262144+1 91483012664942657537 | 1181562520^262144+1 91483017290328309761 | 1327778384^262144+1 91483017741184008193 | 1725107092^262144+1 91483034910712135681 | 35354860^262144+1 91483038856307015681 | 1656806252^262144+1 91483046085517639681 | 1101324452^262144+1 91483048858065829889 | 1230460700^262144+1 91483050224393912321 | 1493028414^262144+1 91483055143844315137 | 1769064358^262144+1 91483058338980167681 | 477873178^262144+1 91483064750573617153 | 1356201550^262144+1 91483082985882255361 | 1498244334^262144+1 91483084423112949761 | 479758486^262144+1 91483084930536701953 | 1780915770^262144+1 91483088936013660161 | 1326652510^262144+1 91483089472017399809 | 1277599416^262144+1 91483094216605696001 | 1263954208^262144+1 91483097949873897473 | 1676786212^262144+1 91483097973808168961 | 141132714^262144+1 C:\Users\mcw\Desktop\sieve>


As you can see, there are no multiple occurrences of any found factor.

Maybe a cache problem or a different signal handling... I didn't investigate this.

I hope that JimB sorts out the entries with some kind of UNIQUE statement/mechanism before or when pushing the results into the database... just wanted to let you know :-).

//walli
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