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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