Author: Peter Fendrich
Date: 16:32:30 01/25/00
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On January 25, 2000 at 19:02:51, Ernst A. Heinz wrote: >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. I see, and it's much more sensitive than I could ever imagine. Lower priorities to the other programs doesn't seem to help that much. In that case the clock() function is not very useful to me... :( //Peter
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