Author: Robert Hyatt
Date: 20:28:42 04/18/01
Go up one level in this thread
On April 18, 2001 at 05:37:49, Vincent Diepeveen wrote: >On April 17, 2001 at 13:04:20, enrico carrisco wrote: > >>On April 17, 2001 at 08:58:35, Vincent Diepeveen wrote: >> >>>On April 17, 2001 at 00:23:21, enrico carrisco wrote: >>> >>>>On April 16, 2001 at 06:59:49, Vincent Diepeveen wrote: >>>> >>>>>On April 14, 2001 at 10:21:35, Frank Wolf wrote: >>>>> >>>>>>My friend and I are in disagreement regarding the seed (for chess) of the >>>>>>following systems: Dual P3 at 1GZ with 512 SDRAM vs Athlon 1.33 with 512 SDRAM. >>>>>>Which is faster and by how much. Any Fritzmark data out there with these >>>>>>systems. He is going to lay down the cash for one of them. >>>>> >>>>>for now the dual P3 1Ghz is faster by a large margin of course >>>>> >>>>>2x1Ghz = 2Ghz >>>>> >>>>I'd love to see the math on this one. A conservative figure would be 1.7ghz and >>>>a best case scenario would be 1.8ghz. >>>> >>>>-elc. >>> >>>2.0 for diep at tournament level. >> >>Sorry, I'm not familar with your parallel programming routines in diep. It >>would appear, however, that Dr. Hyatt, Amir Ban, Frans Morsch, and Stefan >>Meyer-Kahlen would have much to learn from you. Please do expand! > >Noop Bob doesn't need to learn a thing, just diep is slower as those >progs and i'm using a modified Cray Blitz concept, so it's all open >information. Amazingly i'm the only PC program using it (probably >because it's so hard to implement, took me a year)! > >Do not forget my program searches 15 times slower as Fritz, so overhead >to parallellism is *way* smaller. A small improvement in branching factor >and DANG there you have 2.0 > >Also i'm splitting hardly near the leaves where all recursive programs >keep on splitting near the leaves. That's the b.f. difference! > >Best regards, >Vincent > > > >>-elc. Not all. I split at the root as well when it is appropriate... Splitting there you get _zero_ parallel search overhead.
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.