Author: Robert Hyatt
Date: 06:20:52 06/04/98
Go up one level in this thread
On June 04, 1998 at 04:22:04, Michael Kalisz wrote: >On June 03, 1998 at 16:08:56, Ian Kennedy wrote: > >>Incidentally I compared the same pure ANSI C chess code compiled with >>gcc -O2 running under Red Hat Linux/Alpha. It was 37% *slower* than >>fully optimized VC++ under NT/Alpha. > >You would need an alpha-optimized gcc compiler for that... >but I do not know it there is one? gcc does work on the alpha... > >I wonder how digital-unix would perform??? probably no different, as msvc (alpha edition) uses the MSVC compiler front-end, but it still uses the digital alpha compiler "back-end" that produces and optimizes the code. So results should be comparable on either operating system/compiler.. > >(Is there any commarcial compiler for Linux on Alpha?) no, but gcc/egcs/etc work well... > >B.T.W For pentium check www.goof.com which performs 10%-15%better then >VC++ >on my P90 when running linux. you are not compiling right with msvc then. Jason Deines and I have done extensive testing on Crafty... and when you get MSVC 5's options optimized, it will produce code about 10% faster than GCC, under all cases. It just takes a *lot* of playing with the optimizations... > >Regards > >Michael
This page took 0.01 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.