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Re: 3.2.2 & 3.3 branch & trunk compilation speed comparison (MICO)
On 12-Feb-2003, Devang Patel <dpatel@apple.com> wrote:
>
> On Wednesday, February 12, 2003, at 05:49 AM, Karel Gardas wrote:
>
> >6) which optimization levels - i.e. I tested only what's the most
> > important for development when I try to make compilation time as
> > short as possible, by turn off all optimizations...?
>
> Yes, speed without optimization is important right now.
I'd say test them all: -O0, -O1, -O2, -Os, -O3, and -fsyntax-only.
If you are only testing a few input files (which sounds like a good
idea to me), and the testing is fully automated, then it should be
easy enough to try them at several different optimization levels.
--
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The University of Melbourne | of excellence is a lethal habit"
WWW: <http://www.cs.mu.oz.au/~fjh> | -- the last words of T. S. Garp.