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Subject: Re: Benchmarking Crafty: G5 vs Xeon

Author: Andreas Guettinger

Date: 08:48:13 09/19/03

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On September 19, 2003 at 08:39:24, Tord Romstad wrote:

>On September 19, 2003 at 08:25:00, Steven Edwards wrote:
>
>>The leader position changes from time to time.  Back in late 1999, the Apple
>>PowerMac G4 was the only consumer machine to be on the US State Department
>>export blacklist because the box could do better than 1 GFlop/sec sustained.
>>Then there were the years where Motorola fell behind by quite a bit.  Now it
>>looks like things are even again, but now with IBM putting its resources into
>>PPC fab tech, I think that the PPC970 and its relatives will once again assume
>>the front position.
>
>Personally I am not so optimistic.  It seems to me that the 970 is rather
>unimpressive for integer operations, and I'm afraid non-bitboard chess
>engines (like mine) will perform very badly.
>
>I have even seen several test results which indicate that the G5 can
>even be _slower_ than a G4 in certain cases.  In particular, a discussion
>on the Macintosh Common Lisp mailing list the last few days has made me
>rather worried.  It started with this e-mail:
>
>http://article.gmane.org/gmane.lisp.mcl.general/1404
>
>I really hope I will be proven wrong, but so far I think the G5 looks
>very bad.
>
>Tord

I can not share your scepticism. I now from personal sources that my engine has
very high NPS  on a G5 1.6 Ghz machine.
But let's wait for users posting direct results. The first Dual G5 2 Ghz systems
seem to be shipping now in the US.

regards
Andy



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