Author: Pete Galati
Date: 14:37:28 05/11/00
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On May 11, 2000 at 17:20:11, Tom King wrote: >On May 11, 2000 at 13:28:10, Christophe Theron wrote: > >[snip] >> >> >>GCC produces very good code. >> >>For Chess Tiger I have just discovered that by using some different optimization >>options it produces code that is as fast as the code generated by MSVC 6.0, SP3, >>with maximise speed on. And this is an old version of GCC (2.7.x). >> > >Hi Christophe! > >I'm still using gcc 2.7.2, and am a big fan of GCC. > >What optimizations have you find which produce fast code from GCC? > >I'm using -O3 -m486 -fomit-frame-pointer Try toying with the "-O3" number, allot of times -O6 or 7 will be somewhat faster for me. > >Any others worthwhile? > >Rgds, >Tom > >tom_king@btinternet.com >*not* tom@hatbulb.demon.co.uk any longer, but I don't know how to tell CCC that! I just send a moderator email and explained the change, and it worked, but there's also an email address where you can reach Steven ICD's storefront webpage, and that'll get it done too I guess. Pete > >>So the standard edition of MSVC6 will produce a code that will be much slower >>than what you get with the free GCC. >> >> >> >> Christophe >> >> >> >>> In other words, would one of the biggest things >>>I'd give up be the speed that MS compilers are know for, and basically I'd get a >>>good package anyhow? Because I'm not really convinced that I have a real need >>>to be turning out ultra fast programs, when a good learning tool might really be >>>more effective (as long as it really can compile programs). And not that I have >>>the backround to do it now, but I think creating a program & interface probably >>>interests most people. >>> >>>Pete
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