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Subject: Re: Crafty 64-bit speedup

Author: Slater Wold

Date: 10:23:14 03/26/04

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On March 26, 2004 at 13:08:59, Eugene Nalimov wrote:

>On March 26, 2004 at 11:50:24, Slater Wold wrote:
>
>>On March 26, 2004 at 10:59:30, Eugene Nalimov wrote:
>>
>>>On March 26, 2004 at 01:04:54, Slater Wold wrote:
>>>
>>>>All week I have been hacking away at making the fastest 32-bit & 64-bit binary
>>>>with the AMD64 compiler I have access to.  I have been told that they are the
>>>>same compiler; just one has the AMD64 additions.  Here are my results.
>>>>
>>>>
>>>>Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 13.10.2179 for 80x86
>>>>Copyright (C) Microsoft Corporation 1984-2002. All rights reserved.
>>>>Microsoft (R) Incremental Linker Version 7.10.2179
>>>>Copyright (C) Microsoft Corporation.  All rights reserved.
>>>>
>>>>Using /O2, /Ot, /Og:
>>>>
>>>>Total nodes: 89911558
>>>>Raw nodes per second: 1550199
>>>>Total elapsed time: 58
>>>>SMP time-to-ply measurement: 11.034483
>>>>
>>>>Microsoft (R) C/C++ Optimizing Compiler Version 14.00.2207 for AMD64
>>>>Copyright (C) Microsoft Corporation 1984-2002. All rights reserved.
>>>>Microsoft (R) Incremental Linker Version 8.00.2207
>>>>Copyright (C) Microsoft Corporation.  All rights reserved.
>>>>
>>>>Using /O2, /Ot, /Og:
>>>>
>>>>Total nodes: 89913841
>>>>Raw nodes per second: 2140805
>>>>Total elapsed time: 42
>>>>SMP time-to-ply measurement: 15.238095
>>>>
>>>>
>>>>
>>>>The fastest binary I can find *anywhere*, has been Russell's.  He compiled it
>>>>using all optimizations using .NET 2003 (he used VC_INLINE_ASM & ASM_INLINED,
>>>>which my compiler cannot use).  Here is its result:
>>>>
>>>>Total nodes: 89908309
>>>>Raw nodes per second: 1696383
>>>>Total elapsed time: 53
>>>>SMP time-to-ply measurement: 12.075472
>>>>
>>>>
>>>>
>>>>
>>>>More engines to come soon...
>>>
>>>Please add /GL to the command line.
>>>
>>>Thanks,
>>>Eugene
>>
>>WPO slows down the 64-bit compile (from 214 to 209).  And speeds up the 32-bit
>>compile (from 155 to 163).
>
>You probably have very old 64-bit compiler. During early development everybody
>works on correctness, not on quality of generated code...
>
>Thanks,
>Eugene

Is 14.00.2207 for AMD64 old?  I thought it was circa 2/04.  Could be wrong
though.

I asked you to get me on the Whidbey beta!  :)



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