Author: Robert Hyatt
Date: 10:28:43 03/24/03
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On March 24, 2003 at 11:49:51, Peter Fendrich wrote: >We have a discussion in the WinBoard forum about how to compute cpuload and >Crafty is mentioned as good example. > >How do you compute it in Crafty under the windows environment? > >/Peter I believe I am using "GetThreadTimes()" to get the cpu times used by all the threads combined and "GetTicCount()" to get the elapsed time used. However for SMP it is a bit more complicated as I also time the spinwait code and subtract that from the cpu time used as that is time that is "wasted" and not used on actually searching. That's why you generally see CPU utilization in the 390+% range, rather than 400 even though all 4 cpus will be 100% busy running Crafty code.
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