Thread: High CPU usage
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Old 2020-03-19, 02:08   #5
kriesel
 
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Mar 2017
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Quote:
Originally Posted by mrk74 View Post
I know Prime95 uses a lot of CPU but should it really be at 100% with no other browsers or anything else running? Is it ok to just let it go at 100%?

Related: I think I've read there is a way to lessen the load but I wouldn't have a clue how to do that, assuming I read correctly that there is a way.
Using the throttle directive as uncwilly suggested is one way. Reducing the number of cores in use by prime95 is another. Lowering the clock rate is another.

My guess is that cutting back on cores may not cost as much performance as the other approaches. While I've used throttle for years on a system whose cpu still seems fine, I wonder what the frequent thermal cycling it does means for reducing processor life.
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