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Subject: Re: Crafty/Winboard performance

Author: Robert Hyatt

Date: 15:09:01 11/19/00

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On November 19, 2000 at 17:45:52, Steve Schooler wrote:

>Running Windows 95 on a Pentium (I) 166 MHz, with 128 Mb memory; getting the
>following (approximate) node per second (nps) speeds:
>
>Software                                            NPS
>-------------------------------------------         -------
>Fritz5 (16 bit) within Chessbase Light              140,000
>
>Crafty v17.14 (alone in dos shell)                   25,000
>              hash/hashp sizes of 48M/10M
>
>Crafty v17.14 within Winboard v4.1.0                 25,000
>
>
>1.  Why is Crafty slower?  Do the results suggest that I'm doing something wrong


Why is crafty slower than Fritz you are asking?  _Everybody_ is slower
than fritz.  Fortunately, NPS is not the only thing that determines how
a program plays...


>(i.e. correctible)?  Are there any (other) tuning parameters (for Crafty within
>Winboard or Crafty alone) that I can set to (dramatically) enhance performance?
>
>2.  Can hash/hashp sizes be controlled when using Crafty within Winboard (versus
>Crafty alone in a dos shell)?
>
>3.  I'm thinking of buying Fritz6.  For those of you who have experimented with
>Fritz6 (32 bit), Fritz5 (16 bit, within Chessbase Light) and Crafty (on the same
>hardware), what nps speed should I expect from Fritz6 (based on the nps speeds
>charted above)?
>
>4.  Any guesses on Fritz7 ETA?



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