Author: Christophe Theron
Date: 11:37:51 06/09/03
Go up one level in this thread
On June 09, 2003 at 10:22:17, Uri Blass wrote:
>On June 09, 2003 at 10:04:55, Steve Maughan wrote:
>
>>Uri,
>>
>>>I do not know what do you mean by 400 Mhz but if Tiger on 400 Mhz palm is only
>>>at similiar strength to old Fritz3 on 90Mhz than 400 Mhz do not mean much.
>>
>>400 MHz is the speed of the fastest ARM processor used by Palm. ARM processors
>>do not have a cache (or little if they do) so you need more MHz to compensate.
>
>
>I prefer to know first one number to get an estimate for the speed of the
>hardware(mhz can be also mentioned but only as second number).
>
>I prefer to read something like
>Palm50(400 mhz)
>pentium100(90 mhz)
>
>The only thing that we need is an agreement about the meaning of speed that can
>be calculated based on the performance of tiger and other chess programs that
>work on normal pc and the palm.
>
>Uri
The TigerMark (speed index displayed by Chess Tiger) does what you are asking
for.
The TigerMark of Chess Tiger 15.0 running on the Palm Tungsten-C (ARM @400MHz)
is 3.45. This is Chess Tiger working in emulation mode (the ARM processor
simulates a Motorola 68000 processor). Chess Tiger on this device would achieve,
I estimate, a rating of approximately 2290 SSDF elo.
(explanations about how I compute this estimated rating at
http://www.chesstiger.com, click on the "FAQ" link)
When Chess Tiger for Palm native ARM version will be released, it will be 10
times faster, so I expect a TigerMark of 34.5.
I estimate it will achieve a rating of 2525 SSDF elo.
By comparison, Chess Tiger 15.0 (same engine) running on my Toshiba Laptop
(Pentium-4 @1600MHz) gets a TigerMark of 537.
Christophe
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