Author: Robert Hyatt
Date: 21:04:33 02/27/98
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On February 28, 1998 at 00:01:06, Christophe Theron wrote: >Hi! > >I'm about to commit suicide. > >I worked hard to port Tiger from Gnu C (free compiler) to Microsoft >Visual C++ 4.0. > >Everybody told me: "go on, you're going to get a huge speedup". > >Well... What I get is a 10% SLOWDOWN!!! All speed optimizations turned >ON. And the fastest code is achieved when I select 486 instead of >Pentium! > >Several possible explanations: >1) I should upgrade to a better version of MSVC... absolutely. Get MSVC version 5.0. The code optimizer is far better and knows about the pentium architecture. 4.0 does not so far as I know. >2) I am calling a fonction that is very time consuming under MSVC, and >is cheap under GnuC... doubtful. msvc 5 makes crafty about 10% faster than even the best pentium compiler group version of gcc. and that is without using the assembly code we use with gcc... >3) Microsoft wants to see me dead. I'm suspecting something like that >since the first day I installed W95. And crashed my hard disk. > >If anybody has stories to tell about porting to this compiler... >Thanks... Maybe you're going to save a sinner's life... > > > Christophe
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