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Subject: Re: What is the speed difference that programs earn from 64 bit systems

Author: Kurt Utzinger

Date: 13:39:54 04/29/05

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On April 29, 2005 at 16:33:43, John Merlino wrote:

>On April 29, 2005 at 16:26:28, Uri Blass wrote:
>
>>I read that Shredder9 for 64 bit is released and my question is what is the
>>speed difference that program earn from compiling for 64 bits when you need also
>>64 bit window to run it.
>>
>>Can somebody tell me about the speed gain in nodes per second of all the free
>>source code programs including programs that do not use bitboard like tscp or
>>fruit and bitboard programs like Crafty.
>>
>>Uri
>
>In general, I have heard that, if all you do is recompile your program with a
>64-bit compiler, you should expect 5-15% speed improvement.

       This would not be much ... I am disappointed :-)
       Kurt

>jm



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