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Subject: Re: clock() in background

Author: Ernst A. Heinz

Date: 16:02:51 01/25/00

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On January 25, 2000 at 18:56:37, Peter Fendrich wrote:

>I tried to use the clock() function (in NT4) and it didn't behave as I expected
>it to.
>It is said to "Return elapsed CPU time for current process".
>I hoped to be able to run performance tests with my chess program in the
>background while doing other things in the foreground and yet get the same
>results.
>The clock() is definitely affected by other processes so I get very varied
>results depending on what I'm doing in the foreground.
>
>How come?
>
>//Peter

Maybe, clock() works fine but your program is very sensitive to any
cache and/or memory disturbances caused by running other programs with
high priority.

=Ernst=



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