Author: Andrew Williams
Date: 05:47:16 08/22/99
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On August 22, 1999 at 08:35:28, Frank Phillips wrote: >I have just ported my chess program to Linux (RedHat5.2) and compiled it with >egcs. Sadly it is about 30 percent slower than under W98 compiled with MSVC++ >5. I have tried various compiler options, but plain and simple -O -mpentium >seems about fastest on my K6. > On my K6-2 300, I use: gcc -O6 -malign-functions=3 Which is as fast as I can get it. I don't have Windows, so I can't compare. Andrew Williams >The W98 version of my program relies on the vcinline.h code in crafty to do >PopCnt(), FirstOne() and LastOne(). Egcs (GNU assembler) does not seem to >understand MS assembly language, so I used x86.s to replace these functions for >the Linux version. This does not seem to be main the problem, however, since >comparisons using boolean.c from crafty in place of vcinline.h and x86.s give >about the same advantage to W98/MSVC++. Has anyone else had a similar >experience? > >Frank > >BTW if anyone knows where I can get an Xserver for an Ati Rage Fury (Rage 128) >AGP card please tell me. I can then run Linux and KDE on my PII 450.
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