Re: Compiling Programs

From: Edward Muller <edwardam.a.t.home.com>
Date: Tue Jun 12 2001 - 21:26:48 EDT

On Tue, Jun 12, 2001 at 03:06:30PM -0700, Jim Gettys wrote:
> Recent experience is that optimizing for size often *improves*
> performance, due to better cache behavior. Presuming memory is free is
> now a major fallicy in programming. It is generally very expensive to
> touch, in terms of cycles.

> Sure, but apparently the kernel is the exception on the rule. Which was
> to be expected, though: the kernel already contains performance
> optimised code.
>
>
> Erik
> [who still has to run that -Os optimised kernel]

Just to point out (again), I was really speaking of userland, NOT the kernel.
If I wasn't clear enough, I appoligize(sp).

--
Edward Muller - edwardam@home.com - edwardam@handhelds.org
"Ignorance is bliss." (Cypher, The Matrix)
Received on Tue Jun 12 17:24:15 2001

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