Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: MSVC++ 5.0 Profiler

Author: James Robertson

Date: 14:23:06 08/05/99

Go up one level in this thread


On August 05, 1999 at 16:01:28, Ren Wu wrote:

>On August 05, 1999 at 15:01:40, James Robertson wrote:
>
>>I finally figured out how to make the profiler work.... unfortunately, every
>>time I profile my program, I get different results. For instance, with three
>>identical profiles, my SEE code took 30.5%, 10.8%, and 18.8%, respectively. My
>>UnMakeMove routine took 2.6%, 14.4%, and 0.0% with the three profiles.
>
>You need many positions, and run many times. This is life.

I would be thrilled if it would give the same results for ONE position. Then I
can think about many. :)

>
>>Does anyone else have this problem? There is no hard disk swapping during the
>>profiles, and I let my program think for 60 seconds after which it exits
>>automatically.
>
>60 seconds is way too short, MS's profiler slow down your program by maybe 50x,
>so you need run it with 50x more time, or 3000 seconds.
>

Ok.

James

>You can try to run it over night on a set of positions.
>
>Ren.



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.