Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: 64 Bit Processors

Author: Olaf Jenkner

Date: 09:45:04 05/18/01

Go up one level in this thread


On May 18, 2001 at 09:38:18, Robert Hyatt wrote:

>On May 18, 2001 at 08:51:55, Joshua Lee wrote:
>
>>What will the new chips do for chess?
>
>
>For bitboard programs, potentially a factor of 2x faster.  For others, not
>much just for going to 64 bits.

for 32-bit machines I know two ways of coding:

1)
or eax,[m]
jnz @a
or edx,[m+4]
jnz @a
...
@a:

2)
or eax,[m]
or edx,[m+4]
or eax,edx
jnz @a
...
@a:

Does anybody know which is better?
It's difficult to guess because pipelining, pairing
and so on.

Olaf




This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.