Author: Robert Hyatt
Date: 21:33:19 11/20/01
Go up one level in this thread
On November 20, 2001 at 20:49:53, Gian-Carlo Pascutto wrote: >On November 20, 2001 at 15:37:39, Slater Wold wrote: > >>On November 20, 2001 at 11:25:50, Gordon Rattray wrote: >> >>> >>>[snip] >>> >>>Thanks for the helpful info! >>> >>>>This is the speedup I see: >>>> >>>>Crafty 1.89x >>>>Junior 7 1.81x >>>>Deep Fritz 1.31x >>>>Deep Shredder 1.81x >>> >>>This is a surprising and disappointing efficiency for Deep Fritz. So, when >>>playing on ICC, do you consider Deep Junior 7 to be your strongest option? I'm >>>assuming that if you have, e.g. Gambit Tiger, then Junior's SMP capability will >>>give it a significant edge when using your dual, since GT is non-SMP. >>> >>>Gordon >> >>I thought so too. Deep Fritz SMP code is broken somewhere. That's why I >>laughed when I heard it was going to be on an 8-way box. It would have run like >>crap. Unless Frans fixed it. > >Fritz 7 was doing 900+ knps at the Dutch open on a dual PIII 1Ghz. > >It does 450kbps on an Athlon 1000 here, so I assume the parallel speedup >is more close to 1.8 than it is to 1.3. > >-- >GCP NPS has nothing to do with how efficient the SMP search is. The only useful measure is "how long does it take the parallel search to find a specific move at a specific depth, compared to a serial search to the same depth?"
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