Author: Aaron Gordon
Date: 00:54:29 01/03/02
Hi again :) From the benchmarks I've done it looks like Crafty is faster now in Linux from these optimized binaries. You can get them at http://12.255.147.62/crafty/ Here are some benchmarks to compare the binaries to... (all tests were run on a 1.81Ghz AthlonXP, 512mb PC2400 DDR, KT266a chipset) All Crafty v18.12 Crafty compiled with GCC (???KB) (-O2): Total nodes: 105131537 Raw nodes per second: 834377 Total elapsed time: 126 SMP time-to-ply measurement: 5.079365 Crafty compiled with GCC (???KB) (-O2 -march=athlon -mcpu=athlon): Total nodes: 105131537 Raw nodes per second: 847834 Total elapsed time: 124 SMP time-to-ply measurement: 5.161290 Binary off of Hyatt's FTP (768KB): Total nodes: 105131537 Raw nodes per second: 1061934 Total elapsed time: 99 SMP time-to-ply measurement: 6.464646 CraftyK7-Win32 (228KB) Thunderbird Optimized: Total nodes: 105131537 Raw nodes per second: 1095120 Total elapsed time: 96 SMP time-to-ply measurement: 6.666667 CraftyK7-Linux (205KB) Thunderbird Optimized: Total nodes: 105131537 Raw nodes per second: 1106647 Total elapsed time: 95 SMP time-to-ply measurement: 6.736842 CraftyK7-Linux (205KB) AthlonXP Optimized: Total nodes: 105131537 Raw nodes per second: 1130446 Total elapsed time: 93 SMP time-to-ply measurement: 6.881720 As you can see isn't much of a difference between Hyatt's Win32 binary and this one but under linux the difference is massive. I updated my email address here so if you have any questions/comments or whatnot feel free to email me, I'd like to hear it works out for you. Note: The AthlonXP linux binary will ONLY run on a cpu with SSE (AthlonXP/MP/Morgan). The Thunderbird dll should run flawlessly on any AthlonTB/Duron (even classic Athlon).
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