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CPU benchmark difference
#1
Hello,

i have been asked what is the reason for having a 10% deviance from the mean value (up and down) for the CPU benchmark on a clean XP system with no antivir software, index service and no defrag service and no other programs running.


I had no answer for this and found no threads in this forum Do you have any ideas?

Regards

Sascha
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#2
Does only the CPU Integer benchmark show such a deviance ?
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#3
(10-10-2012, 02:28 PM)Martin Wrote: Does only the CPU Integer benchmark show such a deviance ?

CPU Integer and Memory Transfer Speed show such a deviance. CPU Floating and MMX have a variance of 0.2%.

Regards

Sascha
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#4
I think this happens because Windows is a multitasking environment and the benchmark is ocasionally interrupted by higher priority tasks (drivers, etc) and this has influence on the execution time.
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#5
And maybe CPU Floatingpoint and MMX are not used during normal (non gaming) OS tasks and thats why they are not influenced.

Thanks for your help.
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