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Re: streams is slow under gcc
- From: Richard Henderson <rth at redhat dot com>
- To: "Eric W. Biederman" <ebiederm at xmission dot com>
- Cc: gcc at gcc dot gnu dot org
- Date: Tue, 15 Oct 2002 15:16:43 -0700
- Subject: Re: streams is slow under gcc
- References: <m1zntjmu5c.fsf@frodo.biederman.org>
On Sat, Oct 12, 2002 at 11:41:51AM -0600, Eric W. Biederman wrote:
> I there a gcc option other than -msse2 that I could use to tell it a
> loop is memory bound, and so apply appropriate optimizations?
-fprefetch-loop-arrays; YMMV.
r~