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Number crunching :
Linux CUDA 'Special' App finally available, featuring Low CPU use
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Keith Myers Send message Joined: 29 Apr 01 Posts: 13164 Credit: 1,160,866,277 RAC: 1,873 |
OK, registered for the BoincTasks forum and posted the question in the forum. I will post back when I receive a response. Seti@Home classic workunits:20,676 CPU time:74,226 hours A proud member of the OFA (Old Farts Association) |
Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 13736 Credit: 208,696,464 RAC: 304 |
Stand back I'm thinking again, Not for me. Installed BOINC, attached to Seti, installed Lunatics. That's it. No other 3rd party programmes involved. It's all due to the Dec Scheduler issue that stopped people getting any v8 work when they had only AP selected and v8 only when there was no work for their selected application (AP). Grant Darwin NT |
Keith Myers Send message Joined: 29 Apr 01 Posts: 13164 Credit: 1,160,866,277 RAC: 1,873 |
Grant, we were discussing my task download limitations per request. Not the ongoing issue of just getting work which as you say goes back to December of last year. Two separate issues. My task download per request limitation was definitely tied into BoincTasks. Seti@Home classic workunits:20,676 CPU time:74,226 hours A proud member of the OFA (Old Farts Association) |
Stephen "Heretic" Send message Joined: 20 Sep 12 Posts: 5557 Credit: 192,787,363 RAC: 628 |
Stand back I'm thinking again, . . I have the download problem too but I am not running BOINC Tasks on the machines with the issue. So I am guessing ... NO! Stephen :( |
Darrell Send message Joined: 14 Mar 03 Posts: 267 Credit: 1,418,681 RAC: 0 |
Ok peoples, let us clearup a misnomer. Boinc Manager and Boinc Tasks are simply Graphical User Interfaces. They have absolutely nothing to do with scheduling and server contacting. They are graphical versions of the Boinccmd.exe program. All scheduling, contacting the servers, etc takes place within the Boinc client program (Boinc.exe). ... and still I fear, and still I dare not laugh at the Mad Man! Queen - The Prophet's Song |
Keith Myers Send message Joined: 29 Apr 01 Posts: 13164 Credit: 1,160,866,277 RAC: 1,873 |
OK, let's label the elements correctly. The client (BOINC.EXE) is what communicates with the scheduling servers. Yes, BoincTasks is a graphical management tool. It does have the ability to limit work by overriding the usual number of days work buffer and limit by the number of tasks. This is from Brent's post.
Evidently I must have set this in BoincTasks a long while ago when I was having issues with Einstein inundating me with work. I had a backup file (.OLD) of the BoincTasks configuration file that had a hard limit of 400 tasks onboard it seems. That is what was causing my download issues. This is the response from BoincTask's developer, Fred.
He didn't understand my detailed post or glossed over it quickly based on his response. So what he is saying that by using the max task limit feature in BoincTasks it sets NNT for the client to not request work. That is not what was happening with my case though. I continued to get work at all times, as long as the project had work of course. My problem came from the small quantities received per request. At this time, I have no clue why those two files had any effect but their removal has quickly erased the problem. Seti@Home classic workunits:20,676 CPU time:74,226 hours A proud member of the OFA (Old Farts Association) |
JohnDK Send message Joined: 28 May 00 Posts: 1222 Credit: 451,243,443 RAC: 1,127 |
. . Also, are you running Linux and the repository version of BOINC? Because there is a script you can run that restarts the BOINC client as a service without rebooting the system. It has saved me a lot of irritation on my rig that is running the above configuration. It is a small simple script. Thanks W3Perl & Brent, works fine. So does anyone have that script? I'm really not in the mood to do it manually... |
Stephen "Heretic" Send message Joined: 20 Sep 12 Posts: 5557 Credit: 192,787,363 RAC: 628 |
. . Well Keith as they say, "the proof of the pudding", since the removal of the files allowed better functioning then their presence could be considered to have an effect on that function. Only at this point we don't know just what effect. Stephen :( |
Brent Norman Send message Joined: 1 Dec 99 Posts: 2786 Credit: 685,657,289 RAC: 835 |
This is the script I made for loading up for Tuesdays outages using the Petri/Laurent cpu2gpu.pl script c2g.sh # QOpt for Linux # Run as ROOT for (( ; ; )) do clear # Stop BOINC echo " ======== Stop BOINC ======" /etc/init.d/boinc-client stop echo " ======== Sleep 10 =======" sleep 10 # # Run CPU2GPU echo " ==== Running cpu2gpu ====" ./cpu2gpu.pl echo " ======== Sleep 2 ========" sleep 2 # # Start BOINC echo " === Start BOINC Client ==" /etc/init.d/boinc-client start echo " =========================" echo " === Sleep 15 Minutes ====" # date echo " ==== CTRL+C to Exit =====" sleep 15m # done You can remove the loop for a 'run once' option. It's pretty simple, and gives a readable separation of the tasks being done. |
W3Perl Send message Joined: 29 Apr 99 Posts: 251 Credit: 3,696,783,867 RAC: 12,606 |
I have a new version which can : 1) move tasks from gpu to cpu (-r flag) 2) move only suspended tasks (-s flag). If you want to have a try.... |
Stephen "Heretic" Send message Joined: 20 Sep 12 Posts: 5557 Credit: 192,787,363 RAC: 628 |
. . 8^} Where do ya get it ?? Stephen :) |
Bruce Send message Joined: 15 Mar 02 Posts: 123 Credit: 124,955,234 RAC: 11 |
I have a new version which can : I'd be interested in getting it also. Bruce |
petri33 Send message Joined: 6 Jun 02 Posts: 1668 Credit: 623,086,772 RAC: 156 |
Let me help you. You can try a private message or just wish. Whichever you think is more effective. To overcome Heisenbergs: "You can't always get what you want / but if you try sometimes you just might find / you get what you need." -- Rolling Stones |
Stephen "Heretic" Send message Joined: 20 Sep 12 Posts: 5557 Credit: 192,787,363 RAC: 628 |
Let me help you. You can try a private message or just wish. Whichever you think is more effective. . . Star light, star bright, first star I see tonight ... Stephen :) |
W3Perl Send message Joined: 29 Apr 99 Posts: 251 Credit: 3,696,783,867 RAC: 12,606 |
Sorry, you can get it at : http://www.w3perl.com/seti/cpu2gpu.pl beta software ! Let me know how to improve or send me bug report ! ;) |
Stephen "Heretic" Send message Joined: 20 Sep 12 Posts: 5557 Credit: 192,787,363 RAC: 628 |
. . @ Petri and TBar . . Yay team! Thanks to you guys my current top rig has made Page 1! At a RAC of 103K Bertie has crawled into 20th spot. Now all I have to do is rebuild La-Bamba (only 2 x 1060-6G) and see where she climbs to. I don't think she will make page 1 but maybe page 2 :). Stephen :) |
JohnDK Send message Joined: 28 May 00 Posts: 1222 Credit: 451,243,443 RAC: 1,127 |
When I try running the script in mint, I get this error, what do I do? ./cpu2gpu.pl -r |
JohnDK Send message Joined: 28 May 00 Posts: 1222 Credit: 451,243,443 RAC: 1,127 |
I also has problems running the script in windows, first 2 times in was making ghost WUs, 3rd time I made a backup of BOINC before I tried, here it worked. So I tried again just now, suspended 50 WUs and ran the script: cpu2gpu.pl -s But when I ran BOINC again, the 50 WUs dissarired into ghost state :( |
Stephen "Heretic" Send message Joined: 20 Sep 12 Posts: 5557 Credit: 192,787,363 RAC: 628 |
When I try running the script in mint, I get this error, what do I do? . . It is a "perl" script and you need to have perl installed to run it. Stephen .. |
Stephen "Heretic" Send message Joined: 20 Sep 12 Posts: 5557 Credit: 192,787,363 RAC: 628 |
. . @ TBar and/or Petri . . I know this app is not intended to crunch Arecibo VLAR tasks but I have processed dozens of the blighters using it on both the GTX970s and the GTX1050ti. So when I needed work for the GPUs over the maintenance outage I felt OK moving a couple of dozen more across for the occasion. Those processed by the GTX970s went fine as previously, but the four that ended up on the GTX1050 ALL failed as computation errors. My suspicion is that it may be because the 970s and the 1050ti all have 4Gb ram while the 1050 only has 2GB, but it also has only 5 CUs so I thought it would not be an issue. I am including links to the results in case you want to have a look. . . I do not understand why they have the error "Exit time limit exceeded" as they only ran for 8 mins each and the expected run time for these tasks on the 1050 is 10 mins. http://setiathome.berkeley.edu/result.php?resultid=5989290320 http://setiathome.berkeley.edu/result.php?resultid=5989290326 http://setiathome.berkeley.edu/result.php?resultid=5989290352 http://setiathome.berkeley.edu/result.php?resultid=5989289944 Stephen ?? |
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