Author: Robert Hyatt
Date: 15:04:22 06/13/99
Go up one level in this thread
On June 13, 1999 at 16:28:42, Torstein Hall wrote: >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 My 20-year old son in fact. :) Now get your roody-poo candy a** back to work there... :) Bob
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