Author: Chris Taylor
Date: 08:15:09 10/28/01
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On October 28, 2001 at 04:46:02, Aaron Gordon wrote: >Hey guys. Been tinkering around a bit more with the Intel C 5.0 compiler, messed >with the -Qopenmp option. Turns out it may have done the trick. Slater Wold says >he got about a 200kn/s increase over my older CraftyK7 18.12. I profiled it with >MMX now also, seems slightly faster with a single cpu as well. Here's slate's >Dual AthlonXP 1.53GHz (1800+) benchmarks with the 'test' version of this (this >verion is %2 faster than the one he got 200kn/s more on). > >Total nodes: 118647746 >Raw nodes per second: 1501870 >Total elapsed time: 79 >SMP time-to-ply measurement: 8.101266 > >Anyone else out there with dual Athlon/Thunderbird/Durons, etc please try this >version out. Would like to see how much faster it is with dual cpu's. Also >interested to see if it helps on intel cpu's. Thanks. > >You can grab it at ftp://65.10.79.9/pub/crafty/c1812-k7.zip >(if you're using a single cpu and downloaded this in the past it wouldn't hurt >to get it again, slightly faster). > >The reason I decided to try that compiler flag is I think I remember hearing >Hyatt say something about using OpenMP, not sure. So far so good <crossing >fingers> :) > >Oh, if anyone wants the optimized Sjeng11 for K7's, here ya go. >ftp://65.10.79.9/pub/chess/sjeng11-k7.zip >Seems to be about 15% faster than Dan Corbits binary. Just using the total elapsed time as examples.......... Wcrafty 1812 153 WcraftyK7-1812 150 This newest compile WcraftyK7-1812 146 Executed without rc file on a 1200AMD..and with browsing at the same time. Can't wait till I can rip these 1200 chips out and replace them with, faster stuff!! Chris Taylor
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