Author: Robert Hyatt
Date: 20:16:55 09/02/02
Go up one level in this thread
On September 02, 2002 at 19:25:17, Vincent Diepeveen wrote: >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). > No... Eugene uses the latest microsoft MSVC compiler he is working on to compile the executables at my ftp site... I use intel icc compiler to compile for linux... >>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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