Author: blass uri
Date: 05:52:03 05/27/99
Go up one level in this thread
On May 27, 1999 at 08:02:59, Robert Hyatt wrote: >On May 27, 1999 at 03:06:39, Jouni Uski wrote: > >>On May 27, 1999 at 03:02:37, Ed Schröder wrote: >> >>>On May 27, 1999 at 02:50:08, Marcus Kaestner wrote: >>> >>>> >>>>>Who cares, it will be a great show anyway. >>>>> >>>>>Ed Schroder >>>> >>>>ed, you´re right. >>> >>>And I expect that some of so called big-names will have a very hard >>>time as anything can happen in this super strong tournament. IMO there >>>are 7-10 programs who can win this tournament. >>> >>>When I voted on CCC that was difficult. In the end I picked: Chess Tiger, >>>Rebel (why not), Dark Thought, Conners and Zugzwang but I could have add >>>many more. >>> >> >>Never heard about Chessbase engines: Fritz,Hiarcs,Junior + multiple prosessors? >> >>Jouni > >It is not very 'clear' but the famous 'grapevine' would say these parallel >engines are not very effective. And this can also be predicted because of the >machines they are using. IE who would use a dual-cpu machine when quads are >readily available... _unless_ you are doing something pretty ugly in the >parallel search world: splitting only at the root. Just idle speculation since >we won't ever hear of any 'good' algorithm of course. But I have heard that >at least one of those is only getting 1.3X faster with 2 processors. How much faster does crafty get with 2 processors? Is there an overlapping when both processors analyze the same position in different move order without knowing it? Do the 2 processors work all the time or maybe in part of the time one processor must wait? Uri
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