Author: Robert Hyatt
Date: 19:09:55 10/29/98
Go up one level in this thread
On October 29, 1998 at 18:54:44, Peter Hegger wrote: >On October 29, 1998 at 15:32:45, Jeremiah Penery wrote: > >>On October 29, 1998 at 13:16:53, blass uri wrote: >> >>> >>>On October 29, 1998 at 11:52:21, Peter Hegger wrote: >>> >>>>I read an article in today's newspaper about IBM's new super computer which is >>>>nicknamed "Pacific Blue". According to this article PB can make 3.9 trillion >>>>calculations per second. >>> >>>What is the definition of a calculation? >>> >>>Adding integer numbers is different from adding real numbers or from multiplying >>>and I do not understand what do you mean by calculation. >>> >>>Uri >> >>I would guess this means Floating-point operations per second. >>That is generally how it is done, though of course they could mean integer >>operations, in which case the speed above speed is a bit inflated, compared to >>what its performance would be on 'real' applications. >> >>Jeremiah > >Yes, this does in fact mean floating-point operations per second or 3.9 TF >compared to 350Mhz or so for the average home computer. >http://www.rs6000.IBM.com/resource/features/1998/asci_oct/asci_fact.html >for some specs. >Does anyone know the floating-point operations per second for the RS/6000 used >in "Deep Blue" vs. Kasparov 1997? I can't find it anywhere and would like to >know so I have something for comparison. >Another interesting article at: >http://www.news.com/News/Item/0,4,19117,00.html >This tells of plans to have a 100 teraflop machine in service by 2004. > >Peter You can't compare the two. The SP only did part of the search (in parallel, too). The chess processors did the last 4 plies (or so) plus the quiescence search. So trying to scale the SP to this terraflop machine is interesting for weather forcasting, but not for comparing a hypothetical program on it to the performance of Deep Blue...
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.