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World Community Grid Forums
Category: Support
Forum: GPU Support Forum
Thread: Dear techs: |
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Thread Status: Active Total posts in this thread: 24
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X-Files 27
Senior Cruncher Canada Joined: May 21, 2007 Post Count: 391 Status: Offline Project Badges: 
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Maybe we can take a look at the results for the invalids.
----------------------------------------Valid result (diff is dy max): Me: Min kernel time: 0.017108 (dx=14 dy=21 sample_dist=24 ) Max kernel time: 0.019603 dx=2 dy=0 sample_dist=1 Wingman: Min kernel time: 0.017108 (dx=14 dy=21 sample_dist=24 ) Max kernel time: 0.019603 dx=2 dy=1 sample_dist=1 Invalid result (diff is dy min): Me: Min kernel time: 0.016239 (dx=21 dy=14 sample_dist=24 ) Max kernel time: 0.017983 dx=1 dy=1 sample_dist=0 Wingman1: Min kernel time: 0.055326 (dx=23 dy=11 sample_dist=24 ) Max kernel time: 0.061500 dx=0 dy=2 sample_dist=1 Wingman2: Min kernel time: 0.242839 (dx=23 dy=11 sample_dist=24 ) Max kernel time: 0.278740 dx=2 dy=1 sample_dist=1 The question is, how do we prevent this?   |
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pirogue
Veteran Cruncher USA Joined: Dec 8, 2008 Post Count: 685 Status: Offline Project Badges: 
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I don't know what it will tell us, but here's one of mine:
----------------------------------------Me: Tahiti Min kernel time: 0.021597 (dx=23 dy=11 sample_dist=24 ) Max kernel time: 0.026167 dx=16 dy=19 sample_dist=24 Wingman 1: Tahiti Min kernel time: 0.023642 (dx=23 dy=11 sample_dist=24 ) Max kernel time: 0.026772 dx=2 dy=1 sample_dist=1 Wingman 2 Cypress Min kernel time: 0.180277 (dx=23 dy=11 sample_dist=24 ) Max kernel time: 0.202989 dx=1 dy=1 sample_dist=0 If you're getting very many invalids and you're running Windows 7, try disabling aero. I haven't had an invalid since I did. Unfortunately, I also changed the ports the PCIE cables were using, so it may be that.??? |
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X-Files 27
Senior Cruncher Canada Joined: May 21, 2007 Post Count: 391 Status: Offline Project Badges:
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My invalids was caused by OCing the GPU. I lower it down and boom no more invalids.
----------------------------------------Im using 12.11 beta, aero enabled and no issues |
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pirogue
Veteran Cruncher USA Joined: Dec 8, 2008 Post Count: 685 Status: Offline Project Badges:
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Good to know. Mine still got invalids even stock and under clocked.
----------------------------------------I disabled aero and upped my overclock.  So far, I don't miss it. |
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X-Files 27
Senior Cruncher Canada Joined: May 21, 2007 Post Count: 391 Status: Offline Project Badges:
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I beleive if we relaxed the OC on GPU mem we can have less invalids.
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pirogue
Veteran Cruncher USA Joined: Dec 8, 2008 Post Count: 685 Status: Offline Project Badges:
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I was only OCing the core.
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Jim1348
Veteran Cruncher USA Joined: Jul 13, 2009 Post Count: 1066 Status: Offline Project Badges: 
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I won't even buy a factory-overclocked card after my experience with a GTS 450 on Folding@home that I related several months ago while this project was still in beta. It is a waste of time with all the troubleshooting you have to do to find the cause of any crashes.
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pirogue
Veteran Cruncher USA Joined: Dec 8, 2008 Post Count: 685 Status: Offline Project Badges:
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I won't even buy a factory-overclocked card after my experience with a GTS 450 on Folding@home that I related several months ago while this project was still in beta. It is a waste of time with all the troubleshooting you have to do to find the cause of any crashes. To each their own. For something that puts out ~1,000,000 WCG PPD, it was worth a little headache. |
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X-Files 27
Senior Cruncher Canada Joined: May 21, 2007 Post Count: 391 Status: Offline Project Badges:
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Headache is natural for those who want to max out (or even squeeze a little) the capability of the card.
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nanoprobe
Master Cruncher Classified Joined: Aug 29, 2008 Post Count: 2998 Status: Offline Project Badges: 
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I won't even buy a factory-overclocked card after my experience with a GTS 450 on Folding@home that I related several months ago while this project was still in beta. It is a waste of time with all the troubleshooting you have to do to find the cause of any crashes. To each their own. For something that puts out ~1,000,000 WCG PPD, it was worth a little headache. As long as it ain't a migraine.
In 1969 I took an oath to defend and protect the U S Constitution against all enemies, both foreign and Domestic. There was no expiration date.
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