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Subject: Re: Paris/ AMD K6 us Pentium2 / MChess

Author: Amir Ban

Date: 03:15:37 11/05/97

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I and others did some measurements during the tournament. I believe
Rebel gets excellent results on the K6 because of special cicumstances.

Our results:

K6 faster by 10%-12% than equivalent P6.
K6/233 faster by 14% than K6/200.
P2/300 faster by 16% than K6/233.

Amir



On November 04, 1997 at 09:26:47, Hansjoerg wrote:

>It was often said that MChess had run on a slower hardware than some
>other programs running on the Pentium II/300. This might be wrong!
>The speed difference between K6 and the Intel cpus is program dependent.
>The german css magazine (4/97 and 5/97) (also some reader feedback) gave
>some information about the speed difference.
>
>Some results:
>Rebel 8 on K6/233 20% faster than on Pentium 2/266 !
>Rebel 8 on K6/233 30% faster than on P200 MMX
>Rebel 8 on K6/200 same speed as on Pentium 2/266
>MChess 5 on K6/200 20% faster than on Pentium P200 MMX
>Hiarcs 6 on K6/200 15% faster than on Pentium P200 MMX
>Genius 5 and Fritz 5 don't take advantage of the AMD K6
>(K6 has nearly same speed as the Pentium MMX with equal frequency) !
>
>I think that Fritz and Genius are very well optimized for intel cpus and
>so can't take advantage of the special K6 jump prediction unit ?!
>
>So, may be that the K6/233 is the fastest available cpu for MChess,
>(and) the Pentium ||/300 the fastest cpu for Fritz !?
>- or the diffrence is very small
>
>- there are also some other dependencies (ram/cache size,
>motherboard,..)
>
>Hansjoerg



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