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Subject: Re: Crafty Opteron Performance Data

Author: Jay Urbanski

Date: 05:16:08 06/15/03

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On June 15, 2003 at 08:12:24, Jay Urbanski wrote:


>Here's what I get on a dual 1.6Ghz Opteron system
>
>S:\UPLOAD\jay\crafty>crafty
>EPD Kit revision date: 1996.04.21
>unable to open book file [./book.bin].
>book is disabled
>unable to open book file [./books.bin].
>
>Crafty v19.3 (1 cpus)
>
>White(1): mt=2
>max threads set to 2
>White(1): log on
>White(1): hash 384m
>hash table memory =  384M bytes.
>White(1): hashp 24m
>pawn hash table memory =   24M bytes.
>White(1): bench
>Running benchmark. . .
>......
>Total nodes: 57405004
>Raw nodes per second: 2050178
>Total elapsed time: 28
>SMP time-to-ply measurement: 22.857143
>White(1):

Oh yeah, and I promised Bob scaling numbers.  Here's one thread

White(1): mt=1
max threads set to 1
White(1): thread 1 exiting

White(1): bench
Running benchmark. . .
......
Total nodes: 57533829
Raw nodes per second: 1174159
Total elapsed time: 49
SMP time-to-ply measurement: 13.061224

Near perfect scalabilty.



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