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Subject: Re: Crafty 15.14 - 150k NPS?

Author: Robert Hyatt

Date: 05:07:52 11/10/98

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On November 10, 1998 at 05:54:29, Mike Stoker wrote:

>I was just wondering what peoples average NPS with Crafty 15.14.
>
>I am currently running it on a PII 300 MHz that I've newly aquired, and am
>getting a speed of 150k NPS.  Looking at some of the emails re Junior and Fritz,
>it seems these programs commonly hit 220k NPS on a 200MHz machine.  Is Crafty
>that much slower, or have I got a dodgy machine?


You are comparing apples and oranges...  Crafty does a full endpoint evaluation
in the tree.  The "fast" programs do mainly incremental evaluations plus
piece/square tables set at the root, and then minimax evaluation done at the
tips of the tree.  As a result, comparing NPS is impossible...



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