Author: Robert Hyatt
Date: 08:43:22 12/19/02
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On December 19, 2002 at 09:43:54, Vincent Diepeveen wrote: >On December 19, 2002 at 07:53:32, Frederic Louguet wrote: > >>My program Chess Wizard has always run much faster on Athlon than on P4, but >>maybe using default optimizations is not enough. So I have a question for >>compiler gurus : what are the best compiler optimizations you can use under >>Microsoft Visual C++ 6.0 with processor pack, running under Windows XP, for >>Athlon XP/MP and for Pentium 4. >> >>Before I try everything myself, maybe someone has made experiments and has >>interesting results to share ? > >Yes. > >Try mingw with msys. >it works under windows. > >download the latest gcc compiler. >then compile a version with profile info. produce profile >info. then recompile with that and branches get optimized. > >should get your chess wizard, assuming it's a non-bitboard (gcc >is horrible optimizing 64 bits code for 32 bits processors), a lot >faster. > >It sure works for diep very fast. Also he should try the Intel C/C++ compiler v 7.0 download from Intel's web site. It produces faster code for me than any version of gcc that is available.
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