Author: Tom Kerrigan
Date: 12:46:09 12/16/99
Go up one level in this thread
Aside from not having registers or stacks or memory, trying to build any sort of bus at all is a bummer. So good luck trying to get moves and board positions from one side of the chip to the other... -Tom On December 16, 1999 at 14:50:53, Robert Hyatt wrote: >On December 16, 1999 at 14:44:21, Tom Kerrigan wrote: > >>On December 16, 1999 at 14:02:42, J. Wesley Cleveland wrote: >> >>>Unfortunately, you asked him the wrong question. The FPGAs were not intended to >>>replace the PowerPC chips used in DB, they were to replace the custom chips that >>>did chess search and evaluation. You could ask your friend if he thought that >>>today's FPGAs could replace a moderately complex ASIC of three years ago. >> >>I actually gave him the specifics of the Deep Blue chips, so he knew exactly >>what the question was. Realize that the DB chips are similar to general-purpose >>processors in terms of logic. I'm sure that by "modern processor" he means >>anything made within the last decade (or so). >> >>-Tom > > >The real headache with FPGAs is that they have some important missing things >that the DB chips have. ie on-chip RAM for various hardware stacks, and so >forth. One such example is the repetition detection that has to store a stack >of positions to test for rep matches... Not to mention registers... etc... > >All that stuff ends up being 'off-chip'...
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.