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Subject: Re: is the

Author: Dan Newman

Date: 12:20:24 07/20/98

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On July 20, 1998 at 14:36:12, Bruce Moreland wrote:

>On July 20, 1998 at 14:30:47, Dan Newman wrote:
>>One of the biggest effects I see is that I get a much larger node rate
>>the longer I run.  If I run a test for 10 s I might get 170 knps.  If
>>I run for 40 s 200 knps.  It does level off of course.  I'm using a
>>P6/200, so I've attributed this effect to improving branch prediction
>>as the code runs.  Any ideas?
>Maybe it has something to do with the deeper search having characterstics that
>differ from the shallower search.

I bet that's it or at least a lot of it.  The major difference is that
the deeper plies will have fewer pieces on average.  So move generation
will be a little cheaper, a smaller portion of the moves generated
will be wasted, and so forth.


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