Author: Daniel Pineo
Date: 18:01:17 05/01/05
Go up one level in this thread
On April 30, 2005 at 20:22:22, Christos Gitsis wrote: >On April 29, 2005 at 16:26:28, Uri Blass wrote: > >>I read that Shredder9 for 64 bit is released and my question is what is the >>speed difference that program earn from compiling for 64 bits when you need also >>64 bit window to run it. >> >>Can somebody tell me about the speed gain in nodes per second of all the free >>source code programs including programs that do not use bitboard like tscp or >>fruit and bitboard programs like Crafty. >> >>Uri > >I have tested two different versions of Crafty-19.19 using my Athlon 64 3400+: > >- Under 32-bit Windows XP the fastest version I could find in the Internet >(among about 8 different executables) runs at an average of about 1.5 million >NPS and has reached a maximum of 1.7 MNPS. > >- Under 64-bit Gentoo Linux it runs at an average of 2.2 million NPS and has >reached a maximum of 2.48 MNPS. > >The increase in speed is 40~50%. > >I hope this helps Don't you think switching from windows to linux might have something to do with that 40~50% increase?
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