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World Community Grid Forums
Category: Support
Forum: BOINC Agent Support
Thread: Cant use all CPUs |
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Thread Status: Active Total posts in this thread: 15
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Zigfried
Senior Cruncher Brazil Joined: Dec 12, 2005 Post Count: 368 Status: Offline Project Badges: 
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I am running BOINC 6.2.28 in a Core 2 Quad Q6600 and the BOINC is only using 1 CPU :(
----------------------------------------How can i change it, i have checked the preferences and it is 100% for mult CPUs.  |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Did you just install it? BOINC takes a little time to download enough work to run all cores at once.
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Hello
I have same bug .. I upgraded Boinc from .45 to new 6.2.28 I didn't change the work profile, but before I had to work units running one on each core, now i have only one work unit the profile still have "use 2 CPU" and "use 100% of CPU availiable" and I have 4 work units waiting in line .... is this a know bug ? is somebody found a workaround ? thanks |
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eviltoad
Senior Cruncher Australia Joined: Nov 5, 2005 Post Count: 190 Status: Offline Project Badges: 
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If you're using Windows, check if Windows can actually see all its processors.
----------------------------------------1. In Task Manager, do you see one or two CPU usage graphs? 2. If you see only one graph, click on View --> CPU History --> One graph per CPU. 3. If it still shows only one graph, close Task Manager and open Control Panel --> System --> Hardware --> Device Manager. 4. Check that the value for Computer is something like "ACPI Multiprocessor PC". 5. If it says Uniprocessor, try selecting "multiprocessor"; if the option doesn't exist then try right-clicking and selecting "Scan for Hardware Changes" and go on from there. [I've done this only on W2K Pro machines and am now running XP Pro, so things may be a bit different and you may have to experiment a bit]  |
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Sekerob
Ace Cruncher Joined: Jul 24, 2005 Post Count: 20043 Status: Offline |
I'll see if I can formulate an FAQ for it is generally simple [and having a stupid cause, from the software developers side]
----------------------------------------BOINC version 6.2.28 or 6.2.19, though the logic for the WCG pack is slightly different, always taking the lowest value, rounded down to the nearest whole processor core, meaning 99% is 50% on a dual core, speak 1. 1. Go to BOINC Manager > Advanced view > Advanced menu > local preferences > processor usage tab and set the "On Multi Processor systems, use at most 100% of the processors". if that does not work 2. Hit the clear button in the local prefs and check message log if anything changes. if that does not work 3. Visit My Grid > Device manager and open the device profile attached to your client (usually default). The profile attached to a device is named in the client start up message log and can be default, home, school, work. 4. Hit custom button 5. Find the processor section and set the processor number to the value you want it to be and the % field below to 100%, not 99 or anything lower! 6. Go back to BOINC manager, open the Projects tab, select WCG and hit the update button. That will copy the web prefs to the client. Check in BM message log See FAQ: http://www.worldcommunitygrid.org/forums/wcg/viewthread?thread=17033
WCG
----------------------------------------Please help to make the Forums an enjoyable experience for All! [Edit 1 times, last edit by Sekerob at Dec 14, 2008 4:30:31 PM] |
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luyseyal
Cruncher Joined: Nov 21, 2005 Post Count: 6 Status: Offline Project Badges: 
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I've tried using all of your suggestions, but my machine will only pull 1 task now, despite having 2 recognized processors.
Wed 05 Aug 2009 05:56:29 PM CDT||Starting BOINC client version 6.4.5 for x86_64-pc-linux-gnu ... Wed 05 Aug 2009 05:56:29 PM CDT||Processor: 2 AuthenticAMD AMD Opteron(tm) Processor 244 [Family 15 Model 5 Stepping 8] I have even tried setting <ncpus> in cc_config.xml with no luck. I am using boinc-client from Debian Linux 'unstable'. Thanks for any suggestions. -l |
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JmBoullier
Former Community Advisor Normandy - France Joined: Jan 26, 2007 Post Count: 3716 Status: Offline Project Badges: 
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Wed 05 Aug 2009 05:56:29 PM CDT||Processor: 2 AuthenticAMD AMD Opteron(tm) Processor 244 [Family 15 Model 5 Stepping 8] This information is simply text copied from the processor and shows what the manufacturer has put there. It could say "Thank you for having chosen this processor" with the same effect.  To really know how many processors Boinc is authorized to use after processing preferences you should look at the latest benchmark in your message log. If it is older than your current session, force a new one (Advanced view, Advanced->Run CPU benchmark) and look at your message log. If Boinc says "Number of CPUs: 1" there is something wrong in your preferences, if it says "Number of CPUs: 4" it is OK and we have a problem with work requesting. In both cases copy/paste the message log for the start of your session in your next post to let us know the information we need for helping you. Read you later. Jean. |
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luyseyal
Cruncher Joined: Nov 21, 2005 Post Count: 6 Status: Offline Project Badges:
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Sun 09 Aug 2009 12:02:38 PM CDT||Running CPU benchmarks
Sun 09 Aug 2009 12:02:39 PM CDT||Suspending computation - running CPU benchmarks Sun 09 Aug 2009 12:03:10 PM CDT||Benchmark results: Sun 09 Aug 2009 12:03:10 PM CDT|| Number of CPUs: 2 Sun 09 Aug 2009 12:03:10 PM CDT|| 1689 floating point MIPS (Whetstone) per CPU Sun 09 Aug 2009 12:03:10 PM CDT|| 5193 integer MIPS (Dhrystone) per CPU I have one lonely WCG task running. How can I fix this? -l |
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Sekerob
Ace Cruncher Joined: Jul 24, 2005 Post Count: 20043 Status: Offline |
Have you got more in your Task buffer waiting to run / ready to start? Was your most recent work valid and did you check on the Result Status page?
----------------------------------------Can you please post the whole start up log of BOINC.
WCG
Please help to make the Forums an enjoyable experience for All! |
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luyseyal
Cruncher Joined: Nov 21, 2005 Post Count: 6 Status: Offline Project Badges:
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I have no tasks waiting to run. It won't download more than one, even if I refresh the project or just hit the Update button.
Please note that I have LHC @ Home disabled. I haven't gotten any jobs for it in ages so I turned it off. Everything is good on the Result Status page for this host. My other hosts -- two other dual machines, a Windows and an Ubuntu box -- are both working fine as well. Mon 10 Aug 2009 08:09:49 PM CDT||Starting BOINC client version 6.4.5 for x86_64-pc-linux-gnu Mon 10 Aug 2009 08:09:49 PM CDT||log flags: task, file_xfer, sched_ops Mon 10 Aug 2009 08:09:49 PM CDT||Libraries: libcurl/7.19.5 OpenSSL/0.9.8k zlib/1.2.3.3 libidn/1.15 libssh2/1.1 Mon 10 Aug 2009 08:09:49 PM CDT||Data directory: /home/luyseyal/boinc Mon 10 Aug 2009 08:09:49 PM CDT||Processor: 2 AuthenticAMD AMD Opteron(tm) Processor 244 [Family 15 Model 5 Stepping 8] Mon 10 Aug 2009 08:09:49 PM CDT||Processor features: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext lm 3dnowext 3dnow rep_good Mon 10 Aug 2009 08:09:49 PM CDT||OS: Linux: 2.6.30-1-amd64 Mon 10 Aug 2009 08:09:49 PM CDT||Memory: 1.97 GB physical, 0 bytes virtual Mon 10 Aug 2009 08:09:49 PM CDT||Disk: 446.19 GB total, 386.72 GB free Mon 10 Aug 2009 08:09:49 PM CDT||Local time is UTC -5 hours Mon 10 Aug 2009 08:09:49 PM CDT||Not using a proxy Mon 10 Aug 2009 08:09:49 PM CDT||Can't load library libcudart Mon 10 Aug 2009 08:09:49 PM CDT||No coprocessors Mon 10 Aug 2009 08:09:49 PM CDT|World Community Grid|URL: http://www.worldcommunitygrid.org/; Computer ID: 467796; location: (none); project prefs: default Mon 10 Aug 2009 08:09:49 PM CDT|lhcathome|URL: http://lhcathome.cern.ch/lhcathome/; Computer ID: 9740945; location: (none); project prefs: default Mon 10 Aug 2009 08:09:49 PM CDT||General prefs: from World Community Grid (last modified 05-Aug-2009 18:01:45) Mon 10 Aug 2009 08:09:49 PM CDT||Host location: none Mon 10 Aug 2009 08:09:49 PM CDT||General prefs: using your defaults Mon 10 Aug 2009 08:09:49 PM CDT||Preferences limit memory usage when active to 1811.45MB Mon 10 Aug 2009 08:09:49 PM CDT||Preferences limit memory usage when idle to 1811.45MB Mon 10 Aug 2009 08:09:48 PM CDT||Preferences limit disk usage to 1.00GB Mon 10 Aug 2009 08:09:48 PM CDT|World Community Grid|Restarting task mr812_00023_10 using hpf2 version 603 Mon 10 Aug 2009 08:09:48 PM CDT|World Community Grid|Sending scheduler request: Requested by project. Requesting 0 seconds of work, reporting 0 completed tasks Mon 10 Aug 2009 08:09:54 PM CDT|World Community Grid|Scheduler request completed: got 0 new tasks |
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