Author: Vincent Diepeveen
Date: 14:27:10 09/17/01
Go up one level in this thread
On September 17, 2001 at 14:28:58, Robert Hyatt wrote: >On September 17, 2001 at 11:43:14, Vincent Diepeveen wrote: > >>On September 17, 2001 at 11:18:43, Robert Hyatt wrote: >> >>>On September 17, 2001 at 06:47:39, Vincent Diepeveen wrote: >>> >>>>On September 17, 2001 at 05:07:55, Gian-Carlo Pascutto wrote: >>>> >>>>The problems are huge. I do not know who wrote the 6-7 >>>>crap. Crafty AFAIK never was running over a network properly. >>>> >>>>Bob can answer this better of course, but it's complete nonsense >>>>that you get 6.0 - 7.0 out of 16 processors at a 100mbit network. >>> >>>I don't agree. They _did_ it. Schaeffer _did_ it. Others have done >>>it also... >> >>If in worldwar I the biplanes were THE way to do dogfight, it doesn't >>mean that for nowadays supersonic fighters (i would nearly write down scram >>fighters) the way to go is biplane. >> >>That's a very good compare with the experiments from Schaeffer with >>todays computerchess techniques used. >> > >Poor analogy. Jets existed in WWII. None in WWI. But notice that _all_ >planes have used wings (airfoils). And you will also notice that supersonic >is not the best way for all forms of air combat, particularly air to ground. >Just look at the Army's "warthog". But i plan to only drop h-bombs, so in that case the faster a figher is, the better! > > >>> >>>> >>>>Most likely the speedup is for a crafty version with more extensions >>>>WITH shared memory. speedup is in general worse when the searchspace >>>>you search is not overlapping for each processor. >>>> >>>>>Hi all, >>>>> >>>>>I missed most of the relevant thread but after quickly >>>>>scanning through some posts I wonder why nobody has >>>>>brought up APHID. >>>>> >>>>>The reported speedups for Crafty (version 12.something) >>>>>with 16 processors are 6-7 without shared memory, and 9 >>>>>with shared memory. >>>>> >>>>>Aditionally. the library itself as well as a 'distributed' >>>>>Crafty that uses it are already available *now*. It shouldn't >>>>>be too hard to adapt the very latest Crafties to it either. >>>>> >>>>>Whats the general opnion about it? Nobody experimented >>>>>with this Crafty? >>>>> >>>>>-- >>>>>GCP
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