Author: Torstein Hall
Date: 13:28:42 06/13/99
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On June 13, 1999 at 13:54:50, Robert Hyatt wrote: >On June 13, 1999 at 12:00:28, Peter Hegger wrote: > >> >>[snip] >> >> >>Hard data: Beat kasparov in 1997 using 480 of thse things. Current version >>>of the chip searches at 2-2.4M positions per second per chip. Using an old >>>fab process. Commercial version (.18 micron I think) will search at an >>>estimated 36M nodes per second per chip. He could possible (for high-end >>>users) put maybe 4-8 of these chips on a PCI card. Which would be about as >>>fast as the old deep blue hardware. Whether the PCI bus could sustain the >>>bandwidth to handle multiple cards is unknown to me... but with search tuning >>>it could possible work... >> >> [snip] >> >>Bob, as I've been following the DB jr. threads I've seen it mentioned that 4 >>chips per PCI card would be the max. If 8 were a reality this would be very >>exciting as it would eclipse DB 97 in search speed. >>Sorry, I don't have access to IEEE journal but is this where the figure of 8 >>possible chips per PCI card was mentioned? >>You also mentioned in another thread that DB jr. would be 400 points stronger >>than any micro programs of today. Was that assessment based on a 1 chip machine >>or the fully blown 8 chip screamer? >>Thanks >>Peter > > >It was a gross under-estimate. In the IEEE paper, Hsu reported something like >a 38-2 result vs micros, using a _single_ 2.4M nodes per second chip, running >at about 10% of its normal speed. So the new chip will be on the order of >150 times faster than that chip. Only +400 would be embarassing for that >machine... > >As far as 8 chips per card, that was just a guess on my part... Probably >depends on the physical size of the ASIC and support chips, plus current drain >limits on the PCI bus, plus bandwith at 100mhz (or maybe 133 by then). If Hsu >said 4 in the article, then 4 it is... > >It will be something. And I personally belive it will happen. If you are a >WWF fan, I'll paraphrase Stone Cold Steve Austin: "It will happen because Hsu >says so." :) Not that it matters much, but I hope its your kids, not you! :-) Torstein
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