Author: Peter Fendrich
Date: 12:09:06 03/24/03
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On March 24, 2003 at 13:28:43, Robert Hyatt wrote: >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. Ok, I don't have SMP for searching but two threads (one for handling input). It shouldn't be any problems with that I suppose. Thanks, Peter
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