Author: Andreas Guettinger
Date: 00:12:39 11/03/05
Go up one level in this thread
On November 02, 2005 at 21:42:18, Hristo wrote: >On November 02, 2005 at 16:19:03, John Dillard wrote: > >>On November 02, 2005 at 15:34:30, Joshua Shriver wrote: >> >>>http://www.apple.com/powermac/ >>> >>>nice :) would make a good quad system. >>> >>>-Josh >> >> >>They're making a quad system. There's not other system on the market today, >>super computer or otherwise, that can process as many gigaflops of info as the >>dual core G5. I just wonder if any of the chess programs will benefit from this >>power? > >John, >I love Apple computers. In fact I'm writing this on my favorite PB 17" (OS-X >10.4.3). The other fact is that at work I use Opterons (three different >systemsin my office, all of them dual CPU) and those systems are able to match >or destroy (in some cases) the newer Macs (which we also have at work). >The only time a Mac wins (against Intel ot AMD) is when you can fit your problem >solution into Altivec and then spend some time optimizing it, which we have done >in a few cases in the domain of signal analysis. Outside of the Altivec-unit the >Macs are not going to win against AMD. >Memory access latency is the killer for many apps, not the memory access >throughput. In this sense most chess programs are limited by random access >latencies and not be sheer throughput (as it is needed in video or signal >processing). The dual-core G5s are not going to win the contest so easily >against AMD in particular. (In fact I would pay extra to get OS-X run on an AMD >processor) > >Anyway, >enjoy your Mac for what it is, the best computer experience you can have today, >and not for what it isn't the best chess playing computer in the world. If >someone spent the time to translate (port) their chess algorithms to Altivec (if >this is even possible) then your assumption _might_ have some merit. Until then, >enjoy your computer and what you can do with it. :-) > >Regards, >Hristo Maybe the faster DDR2 533 memory of the new dual cores G5 system reduces the memory access latency, who knows. - Andy
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