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World Community Grid Forums
Category: Support
Forum: Website Support
Thread: CPU overload |
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Thread Status: Active Total posts in this thread: 5
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Hi - recently came back to WCG after some time away, and I'm now using some reasonably heavy kit - Dell Inspiron i7 running W8.1. But I noticed that normally whisper-quiet operations had become quite loud fan sounds, and traced that to high CPU temps. Looking at CPU usage I got a sawtooth graph swinging between 30% and 100%
Shutting down apps one by one to find the cause I came to the WCG agent, and when it closed down my CPU temps went down by 20 degs and CPU usage flatlined at 3%. I don't like running things as flat out as this seems to be - any suggestions for reducing the load? I've not changed any of the default settings since downloading and installing the agent a few days ago. There's an illustration here if the image doesn't show below.. http://bit.ly/1X2TEQ6 |
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SekeRob
Master Cruncher Joined: Jan 7, 2013 Post Count: 2741 Status: Offline |
The best setting tot not constantly rev up/down the fans is by setting 50% CPU time use, which alternates the running/pausing cycle each second. 70 percent or whatever you have now would run the client 7 seconds and pause it 3, which kicks the fans by that frequency. 1 second is usually too short to do that.
----------------------------------------[Edit 1 times, last edit by SekeRob* at May 28, 2016 10:42:16 AM] |
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KLiK
Master Cruncher Croatia Joined: Nov 13, 2006 Post Count: 3108 Status: Offline Project Badges: 
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Better use TThrottle program, to keep on crunching within limits of °C... ;)
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Thanks both - I'll give it another try..
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SekeRob
Master Cruncher Joined: Jan 7, 2013 Post Count: 2741 Status: Offline |
If your I7-3620QM is hyperthreaded -Strongly- recommend against using TThrotle. It's been explained so many times, so wont bother to do it again in detail.
The root problem with any automated control of BOINC client to throttle the sciences is, that they run in whole seconds, which is why the original BOINC internal throttle development was pulled again after testing [it ran at 0.1 second fraction, but most science apps were not responding well to that]. WCG pushed for the implementation, then is bogged down on this issue. A superb, but slightly more involved tool to slow down the science apps at individual level at that and really run smoothly, control at microsecond level, is ThreadMasterGUI [See Community FAQs]... works for me from W2000 through W10-Pro. Since I don't need all the power as user, and summer heat has hit early [It's only May], actually using the OS Power settings to run at fixed 2GHz instead of 2.5-3.1 flex on my I-2720QM (It's not, but CoreTemp is claiming it is :]. Good Luck. |
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