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Subject: Re: crafty at Athlon64

Author: Daniel Clausen

Date: 02:14:12 02/13/04

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On February 12, 2004 at 17:09:40, Bo Persson wrote:

>On February 12, 2004 at 14:30:07, Andreas Guettinger wrote:
>
>>On February 12, 2004 at 13:24:35, Aaron Gordon wrote:
>>
>>>On February 12, 2004 at 12:35:03, Andreas Guettinger wrote:
>>>
>>>>A fellow student of me got an Athlon64 3200 for his phD work at university and
>>>>installed the x86-64 version of Suse9. I could not resist to quickly compile
>>>>crafty to test the speed. :)
>>>>
>>>>unable to open book file [./book.bin].
>>>>book is disabled
>>>>unable to open book file [./books.bin].
>>>>EGTB access enabled
>>>>using tbpath=./TB
>>>>0 piece tablebase files found
>>>>
>>>>Crafty v19.10
>>>>
>>>>White(1): bench
>>>>Running benchmark. . .
>>>>......
>>>>Total nodes: 89942714
>>>>Raw nodes per second: 1835565
>>>>Total elapsed time: 49
>>>>SMP time-to-ply measurement: 13.061224
>>>>White(1):
>>>>
>>>>
>>>>regards
>>>>Andy
>>>
>>>With a good Windows binary running 64bit stuff you can probably figure you will
>>>be able to get a 40% increase over GCC. This is what I got going from GCC to one
>>>of my Intel C 5.0.1 binaries. This should put you up around 2.5 million
>>>nodes/sec @ 2GHz. :)
>>
>>I don't bother with Intel C, because I use gcc for development.
>>Is there an Intel C version of a 64bit binary of crafty around?
>
>Intel C 64 only works for Intel Itanium.
>
>Somehow they have forgotten to implement AMD64 instructions...
>
>:-)
>
>Bo Persson

With some luck the code from Intel leaks to the internet too and we can add the
missing AMD64 instructions by ourselves. ;)

Sargon



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