Skip to Content.
Sympa Menu

sm-grimoire - Re: [SM-Grimoire] GCC Myths and Facts

sm-grimoire AT lists.ibiblio.org

Subject: Discussion of Spells and Grimoire items

List archive

Chronological Thread  
  • From: tony AT smee.org
  • To: sm-grimoire AT lists.ibiblio.org
  • Subject: Re: [SM-Grimoire] GCC Myths and Facts
  • Date: Thu, 18 Dec 2003 19:45:17 -0000 (GMT)

> Quoting Arwed von Merkatz <v.merkatz AT gmx.net>:
>> > It's a short but good article, i read it some time ago. Regarding
>> > optimization options i would really like to see -pipe in sorcery,
>> either
>> > by default or as an option, since that can speed up compiles quite a
>> > bit, at least for people not using tmpfs. Other than that i think our
>> > options are fine, although 'risky' is probably somewhat useless, as it
>> > only includes two options, one of which (-ffast-math) definitely
>> breaks
>> > some programs.
>>
>> Just a note about the tiny option in the optimization menu, it only
>> reads "tiny -size", that should probably be "tiny -size +speed", as it's
>> almost equivalent to -O2
>
> You should file bugs against Sorcery for both of those (if you haven't
> already).
> ;)

On this topic, I came across this article a few weeks ago:

http://www.coyotegulch.com/acovea/index.html

It's an analysis of the effectiveness of gcc optimisations using a genetic
algorithm. Interesting read. Typically, I can't remember how I found out
about it, so forgive me if it was from someone on this list :-^

Tony




Archive powered by MHonArc 2.6.24.

Top of Page