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In the Windows Server 2008 R2 Enterprise, are there any restrictions for the CPU usage of the process ?

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  • Hello! I have the follow question to ask.

    In the operate system ,I write a multithread program, in order to test the highest CPU usage when the certain number of the thread are concurrent.
    The experimental data is as follow:
    the thread number    the highest usage of CPU  
    5                               16            
    25                             32             
    50                             28          
    55                             32         
    60                             28             
    61                             30        
    62                             32             
    63                             30           
    64                             31  
    100                           30
    500                           29
    1000                         29  

    Conclusion:The number of thread is from 25 to 1000, the highest usage of CPU fluctuates between 28 and 32.
    Qusetion:

    1、 Why not the usage of CPU is higher than 32%?

    2、  In the Windows Server 2008 R2 Enterprise, are there any restrictions for the CPU usage of the process ?

    28 februarie 2012 03:42

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