Author: Vincent Diepeveen
Date: 16:25:17 09/02/02
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On September 01, 2002 at 22:57:56, Slater Wold wrote: well done. you can get it even faster under windows using gcc 3.2 and profile it and then use that to reinforce the executable. However it's not easy to get gcc 3.2 to work under windows. something should be possible with mingw. it works parallel then too. somehow when i cross compile diep with it, it complains about a few things i do (but crafty not using these functions), so should be pretty possible to do for crafty. the gcc 3.2 compiler has special optimizations for the K7, which msvc nor intel c++ compiler have (intel c++ version is at bob's ftp site). >I got together with Aaron this weekend, and we went through several different >versions of Crafty to make the fastest possible SMP exe. Nothing was changed >with the code, just compiler flags and optimizations. > >All were run on a Dual AMD 1.73Ghz. > >You will be able to get all the exe's on his site >(http://speedycpu.dyndns.org/crafty) very soon. > > >Crafty 18.15 from Hyatt's FTP: > >Crafty v18.15 (1 cpus) > >White(1): mt=2 >max threads set to 2 >White(1): bench >Running benchmark. . . >...... >Total nodes: 106879595 >Raw nodes per second: 1444318 >Total elapsed time: 74 >SMP time-to-ply measurement: 8.648649 > > >Crafty v18.15 (1 cpus) > >White(1): mt=2 >max threads set to 2 >White(1): bench >Running benchmark. . . >...... >Total nodes: 119444494 >Raw nodes per second: 1636225 >Total elapsed time: 73 >SMP time-to-ply measurement: 8.767123 > > >Crafty v16.19 (1 cpus) > >White(1): mt=2 >max threads set to 2 >White(1): bench >Running benchmark. . . >...... >Total nodes: 69479211 >Raw nodes per second: 1736980 >Total elapsed time: 40 >SMP time-to-ply measurement: 16.000000 > > >Crafty v18.11 (1 cpus) > >White(1): mt=2 >max threads set to 2 >White(1): bench >Running benchmark. . . >...... >Total nodes: 113623920 >Raw nodes per second: 1695879 >Total elapsed time: 67 >SMP time-to-ply measurement: 9.552239 > > >Crafty v18.9 (1 cpus) > >White(1): mt=2 >max threads set to 2 >White(1): bench >Running benchmark. . . >...... >Total nodes: 82622194 >Raw nodes per second: 1652443 >Total elapsed time: 50 >SMP time-to-ply measurement: 12.800000
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