Author: Slater Wold
Date: 16:20:59 07/03/02
Go up one level in this thread
Your P4 version was slower than the normal version. _ALL_ "P4" binaries I have tested thus far have been. Dunno why. On July 03, 2002 at 17:44:30, Mike Byrne wrote: >Hi Shaun, > >Those are interesting stats, I took a particular interest, since I compiled the >latest version of crafty on Bob Hyatt's site. > >I'm not a programmer by trade and I am sure I have compiled far fewer "crafty's" >than Dan Corbitt. My guess is that Dan is a "little" bit (meaning = "a lot >more") knowledgeable in what optimaztions work best for Crafty. I am not >surprised at all at the differences. Also, if you are using a P4, my executable >"wcrafty" has a slight penalty as it checks to see what processor it is running >on so that it will know which optimaztions will work. >The P4 version will work better than than a non P4 version on a P4 machine. > >I really would be interested in how the P4 version stacks up against Dan's. > >Dan, > >I'm interested in your makefile if you can send it to me. Also I have been >unable to you site over the last two months - not sure what the deal is there - >so I can't run these tests myself. > >Thanks, > >Mike > > >On July 03, 2002 at 10:43:55, Shaun Brewer wrote: > >>I have been looking at some different binaries for crafty 18.15 - I was looking >>for CPU optimized versions. I have run tests on the binaries I have found - see >>at the end of this note. >> >>A couple of questions have occurred to me: >> >>Are there other sites that provide various optimized binaries? >> >>Given there does seem to be a significant difference in performance of these >>binaries do other programs have CPU optimized executables? >> >>Results: >>-------- >> >>Bench results: >> >>Each bench was run three times and the best result taken - normally very little >>difference but attempt to remove any discrepancy due to background tasks >> >>Bench results on Athlon (TBird) 850mhz >> >>wcrafty-18.15 - from Robert Hyatt’s ftp site >> >>Total nodes: 97487547 >>Raw nodes per second: 451331 >>Total elapsed time: 216 >>SMP time-to-ply measurement: 2.962963 >> >>Crafty18-15 - from Dann Corbit’s ftp site >> >>Total nodes: 97487547 >>Raw nodes per second: 480234 >>Total elapsed time: 203 >>SMP time-to-ply measurement: 3.152709 >> >>Crafty-1815 - from Dann Corbit’s ftp site >> >>Total nodes: 111139080 - ??? different total nodes >>Raw nodes per second: 479047 >>Total elapsed time: 232 >>SMP time-to-ply measurement: 2.758621 >> >>c1815-k7mmx - from ftp://speedycpu.dyndns.org/pub/crafty/ >> >>Total nodes: 111139080 >>Raw nodes per second: 479047 >>Total elapsed time: 232 >>SMP time-to-ply measurement: 2.758621 >> >>Bench results on PIII 1132mhz >> >>wcrafty-18.15 - from Robert Hyatt’s ftp site >> >>Total nodes: 97487547 >>Raw nodes per second: 590833 >>Total elapsed time: 165 >>SMP time-to-ply measurement: 3.878788 >> >>Crafty18-15 - from Dann Corbit’s ftp site >> >>Total nodes: 97487547 >>Raw nodes per second: 617009 >>Total elapsed time: 158 >>SMP time-to-ply measurement: 4.050633 >>Crafty-1815 - from Dann Corbit’s ftp site >> >>Total nodes: 111139080 >>Raw nodes per second: 614028 >>Total elapsed time: 181 >>SMP time-to-ply measurement: 3.535912 >> >>c1815-k7mmx - from ftp://speedycpu.dyndns.org/pub/crafty/ >> >>Total nodes: 111139080 >>Raw nodes per second: 669512 >>Total elapsed time: 166 >>SMP time-to-ply measurement: 3.855422 >> >> >>Match Results >>------------- >> >>Match results all on Athlon (TBird) 850mhz >> >>All games 2min + 2sec - If anyone wants me to post PGN I can - or email: >> >>Stats produced with elostat_11b base elo 2400 (I had to choose something) >> >>wcrafty-18.15 v Crafty-1815 >>--------------------------- >> >>1st 100 games >> >> Program Score % Av.Op. Elo + - >>Draws >> >> 1 Crafty-1815 : 57.0/100 57.0 2376 2424 64 45 >>46.0 % >> 2 wcrafty-18.15 : 43.0/100 43.0 2424 2376 45 64 >>46.0 % >> >>1st 200 games >> >> Program Score % Av.Op. Elo + - >>Draws >> >> 1 Crafty-1815 : 109.0/200 54.5 2384 2416 46 27 >>55.0 % >> 2 wcrafty-18.15 : 91.0/200 45.5 2416 2384 27 46 >>55.0 % >> >> >>1st 300 games >> >> Program Score % Av.Op. Elo + - >>Draws >> >> 1 Crafty-1815 : 157.0/300 52.3 2392 2408 39 21 >>58.7 % >> 2 wcrafty-18.15 : 143.0/300 47.7 2408 2392 21 39 >>58.7 % >> >> >>All 362 games >> >> Program Elo + - Games Score Av.Op. >>Draws >> >> 1 Crafty-1815 : 2406 36 19 362 51.7 % 2394 58.0 >>% >> 2 wcrafty-18.15 : 2394 19 36 362 48.3 % 2406 58.0 >>% >> >> >>wcrafty-18.15 v Crafty18-15 >>--------------------------- >> >>1st 100 games >> >> Program Score % Av.Op. Elo + - >>Draws >> >> 1 Crafty18-15 : 55.0/100 55.0 2383 2417 65 34 >>62.0 % >> 2 wcrafty-18.15 : 45.0/100 45.0 2417 2383 34 65 >>62.0 % >> >>1st 200 games >> >> Program Score % Av.Op. Elo + - >>Draws >> >> 1 Crafty18-15 : 108.5/200 54.2 2385 2415 46 26 >>57.5 % >> 2 wcrafty-18.15 : 91.5/200 45.8 2415 2385 26 46 >>57.5 % >> >>1st 300 games >> >> Program Score % Av.Op. Elo + - >>Draws >> >> 1 Crafty18-15 : 159.0/300 53.0 2390 2410 38 20 >>59.3 % >> 2 wcrafty-18.15 : 141.0/300 47.0 2410 2390 20 38 >>59.3 % >> >>All 360 games >> >> Program Score % Av.Op. Elo + - >>Draws >> >> 1 Crafty18-15 : 189.5/360 52.6 2391 2409 35 18 >>61.4 % >> 2 wcrafty-18.15 : 170.5/360 47.4 2409 2391 18 35 >>61.4 % >> >> >>Rating difference appears to drop over time due to learning? >> >>Crafty18-15 v Crafty-1815 >> >>to follow >> >>wcrafty-18.15 v c1815-k7mmx >> >>to follow
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