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disable 1 core

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3 Sep 2006
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Hi everyone. I was wondering how I would go about disabling a core on an x6800 C2D? I need to kick of some long running calcs, 10 days+ @ 24 hours. I need to benchmark the system for maximum performance before I do this. If anyone knows how I may get just one core running I'd appreciate a heads up. Thanks.
 
There is a command line in windows startup that will do it, in the .bat file I think. Set mine up but not at it at the moment (although mine is an opteron it should be the same)
 
BillytheImpaler said:
I can do it in my BIOS for my C1D. Check your BIOS for an option to disable a core.

I just had a look, I'm running Abit AW9D-Max, and its a pretty comprehensive BIOS. But, unfortunately, no sign of this capability.

I'm able to run single-threaded tests which dominate one core, but I'm concerned about an idle core, and my application requires multi-threading for efficiency. To be honest I suspect that two cores would dominate, but it would be nice to have some deterministic tests with 1 v 2. Thanks.
 
Prime95 running on both cores? or the 32MB SuperPI in two seperate folders? and make a macro to start the calculation after each time it's ended? or that SP2004 thing but that might make your system explode if its being used for 10 days....ive read that some systems will fry if you run that program for a sustained amount of time but good ones? maybe they'll bear up to the task, im not sure.
 
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