From: Joel VanderWerf <vjoel@...>
Date: 2009-02-02T10:55:23+09:00
Subject: Re: Minor 1.8 <-> 1.9 performance comparison gotcha

M. Edward (Ed) Borasky wrote:
> 2. You should also take advantage of the GCC '-march=' and '-mtune='
> options and specify exactly what kind of processor(s) you have.

http://gcc.gnu.org/gcc-4.2/changes.html says:
> -mtune=native and -march=native will produce code optimized for the
> host architecture as detected using the cpuid instruction.

Has anyone tried this with ruby?

-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407