Optimizing software

Bruce Dubbs bdubbs at swbell.net
Sun Aug 18 18:28:00 PDT 2002


Richard Jenniss wrote:

>For those speed freaks, who compile their own software.
>
>I've come up with a nice little hack to optimize your software without having to set CFLAGS or CXFLAGS.
>
>First move gcc to gcc.old
>
>Bash# mv gcc gcc.orig
>
>Then create a new bash script called gcc
>
>#!/bin/sh
>gcc.orig -O3 -march=pentium3 `echo $@ | sed "s/-O2//g" | sed "s/-march=i686//g"`
>

Looks like a nice way to set certain options, but I would be careful. 
 Some packages just don't like high levels of optimization.
  -- Bruce

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