Author: Robert Hyatt
Date: 20:42:14 12/19/03
Go up one level in this thread
On December 19, 2003 at 16:44:10, Uri Blass wrote: >On December 19, 2003 at 16:20:32, Matthew Hull wrote: > >>On December 19, 2003 at 06:21:26, Djordje Vidanovic wrote: >> >>>As I had been away from my computer for a while, I only read the long threads >>>regarding Ruffian 2.0 last night. I feel obliged to give some new information >>>regarding the thread and the advertisement in which Ruffian 2.0 is labelled as >>>the strongest Winboard engine available. >> >>If one does not ingore scalability features, Crafty is the strongest Winboard >>engine available, and potentially, depending on the hardware, the strongest >>engine available, period. >> >>[snip] > >On what hardware? > >Shredder also can use more than one processor and I do not know if Crafty can >beat Ruffian2.00 even if both are using the best machine that they can use. > >How much speed improvement can crafty get from parallel search relative to the >fastest single processor? At least 3X faster on only 4 processors. On 16 processors, probably 12X faster. That is significant. And there are machines that go beyond 16. > >I think that for users the main question is how much speed improvement can >Crafty get in their system from parallel search and the answer for most of them >is that Ruffian2.00 is simply better because most of the users of more than 1 >processor do not use more than 2 processors. > >Uri
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