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World Community Grid Forums
Category: Completed Research
Forum: Human Proteome Folding - Phase 2
Thread: 50 percent throttle now? |
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Thread Status: Active Total posts in this thread: 6
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Has a 50% throttle been put into the ud client now?
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Sekerob
Ace Cruncher Joined: Jul 24, 2005 Post Count: 20043 Status: Offline |
Hi Charitylover,
----------------------------------------we forgive you for asking, as it was only your 3rd post... commonly a little reading on this forum provides already most of the answers  The 50% suggests you have probably a dual or quad core machine. But ...... that conflicts with the implemented 60% that it has been set @ since HPF2 for UD Agent **. Unless.....you've already used the throttle tool to set it to 100%. On dual core, thats 100% of 200% equals 50% ** FAAH has also been set at the 60% throttle since about the same time as start of HPF2. A new version was downloaded automatically if u run that too! ciao
WCG
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
I appreciate your post. I'm aware of the throttling already, this was a lower than 60 perecnt notification, wanted to see if anyone else was getting it with UD client.
I am aware of the 60%, and the tool to fix it. I was getting consistant 50-52 percent on the machine, with a strong distribution towards the 50% side. Thus the post. The machine has Hyperthreading disabled. Instead of working with it anylonger, I switched it to boinc, as I think everyone should do. Boinc>UD |
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Sekerob
Ace Cruncher Joined: Jul 24, 2005 Post Count: 20043 Status: Offline |
Charitylover, noone is getting a 50% 'notification' to my awareness. That's a number you might see in taskmanager, lest you have some automated alert utility.
----------------------------------------I think this whole exchange can then be relegated to the bin as you already seem to know the solutions. Happy crunching
WCG
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Alther
Former World Community Grid Tech United States of America Joined: Sep 30, 2004 Post Count: 414 Status: Offline Project Badges: 
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I am aware of the 60%, and the tool to fix it. I was getting consistant 50-52 percent on the machine, with a strong distribution towards the 50% side. Thus the post. The machine has Hyperthreading disabled. As was stated and covered many times in this forum, 50% on a hyperthreaded machine is actually 100% CPU usuage. The OS is tricked into thinking you have 2 CPUs when you only have 1. Thus, 100%/2 = 50%.
Rick Alther
Former World Community Grid Developer |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Hi Charitylover,
The machine has Hyperthreading disabled. Actually, hyperthreading is great, as long as you do not misunderstand it. Since there is only one FPU, running 2 simultaneous floating point routines just tends to overload the cache (though the Xeon has a large enough cache to ignore this). But enabling hyperthreading and running one scientific program in the background should result in increased total throughput since the Windows OS processes should execute faster. I do not know why Task Manager is showing 50-52% utilization. Maybe the throttle is a little inaccurate? Lawrence |
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