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Mohammed_A_4
Beginner
35 Views

unhalted_clock

Hello dear all

I am trying to change parallel fraction ratio of a a fixed program workload , then it runs on Core i7 quad core to calculate the change in CPU performance,

when I increased the parallel ratio the performance counter unhalted_clock decreasing in high parallel ratio and the highest value of the same counter when I have full sequential execution in single core?

Why this happen, and where the additional workload come from.

Thank you

 

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PaulF_IntelCorp
Employee
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Mohammed -- this is not the right forum for your question, and I'm afraid I do not know enough about what you asking to help you find the correct forum. Please review the complete forum list here > https://software.intel.com/en-us/forums/ <

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