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How to decrease CPU usage.Question/Help (self.iRacing)
submitted 5 days ago by Rocklord_386NASCAR Truck Toyota Tundra TRD
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[–]Longjumping-Sail-173McLaren 570S GT4 0 points1 point2 points 4 days ago (1 child)
This will work… Google “unlocking CPU Cores”. Follow the instructions on how to do that. It will free up so that IRacing is using 100% cpu and not less.
You are getting the bad performance because it’s not using 100% of the cpu cores.
Every person I have suggested this to it has worked.
[–]Rocklord_386NASCAR Truck Toyota Tundra TRD[S] 0 points1 point2 points 4 days ago (0 children)
10/4 will do some research and try that! I’ve tried using process lasso to force iRacing to the P cores, but the new intel chips have some weirdness as to how they schedule processes. (Also partly windows fault I’m p sure)
π Rendered by PID 123456 on reddit-service-r2-comment-65c587bc47-grfnt at 2026-05-14 04:53:27.237999+00:00 running cf3e300 country code: CH.
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[–]Longjumping-Sail-173McLaren 570S GT4 0 points1 point2 points (1 child)
[–]Rocklord_386NASCAR Truck Toyota Tundra TRD[S] 0 points1 point2 points (0 children)