Thread: CPU usage
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Old 2003-11-19, 06:23   #5
E_tron's Avatar
Sep 2002
Austin, TX

10618 Posts

Some programs will make their CPU intensive operations work at idle priority. Prime95 also works at idle priority. This might be why Excel is performing so poorly.

My guess is that half of your cpu time is going to Prime95 and half to Excel (Explaining the slow down).

Could you try going to the task manager after you start Excel (via Ctrl+ Alt+ Delete, then tab to Task Manager). In the task manager go to the processes tab and under image name column look for something called like excel.exe(or whatever it is ). Right click on it, click Set Priority, and then set to normal. This should make any computation done by the excel place before Prime95 starts working.

Stopping Prime95 is fine as well. Sure, you may lose a few Clock Cycles, but it is still a good thing that you choose to participate in GIMPS.

Good Luck and have fun!
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