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Re: Optimizing g++ 3.2

From: Andreas Jaeger <aj at suse dot de>
To: Richard Guenther <rguenth at tat dot physik dot uni-tuebingen dot de>
Cc: <gcc at gcc dot gnu dot org>
Date: Wed, 31 Jul 2002 18:06:05 +0200
Subject: Re: Optimizing g++ 3.2
References: <Pine.LNX.4.33.0207311508020.1375-100000@bellatrix.tat.physik.uni-tuebingen.de>

Richard Guenther <rguenth@tat.physik.uni-tuebingen.de> writes:

> Hi!
>
> How can I build an optimized g++ compiler, preferrably using profiling
> feedback from heavily templated code? What are suggested options for
> compiling gcc, if optimizing for speed? Will -fprefetch-loop-arrays help
> (Athlon TB)? What are experiences?

Depends on your code.  My page http://www.suse.de/~aj/SPEC has  a
comparison of some options - but that was done with an older compiler,

Andreas

> What are suggested g++ options to speed up compilations of heavily
> templated code during development?
>
> Thanks for help, Richard.

-- 
 Andreas Jaeger
  SuSE Labs aj@suse.de
   private aj@arthur.inka.de
    http://www.suse.de/~aj

References:
- Optimizing g++ 3.2
  - From: Richard Guenther

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