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Subject: Re: Speedups for BitBoard programs on 64-bit machines

Author: Uri Blass

Date: 23:06:15 06/07/02

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On June 08, 2002 at 00:30:13, Robert Hyatt wrote:

>On June 06, 2002 at 20:54:41, Vincent Diepeveen wrote:
>
>>On June 05, 2002 at 22:01:30, Robert Hyatt wrote:
>>
>>PERHAPS IT IS TIME YOU PROFILE CRAFTY AGAIN.
>
>So the profile from _last week_ was too old for you?  I haven't changed one
>line of code since that profile run was done...
>
>remember that I am doing profile-based optimizations so I _must_ profile
>every time I change a line to get the fastest crafty version.

How do you do a profile based optimizations?
What do you change after changing a line in Crafty?

I never did profile-based optimizations in movei and I have no idea how to do
it.

I think that it will be productive to see a program before profile-based
optimization and explanation of the changes that were done after profile-based
optimization.

It does not have to be a chess program and may be something more simple.
Is there a place when I can download some simple programs before and after
profile-based optimizations together with explanation of the exact steps that
were done in the profile-based optimization?

Uri



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