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Message-ID: <20111108014559.GA3948@openwall.com>
Date: Tue, 8 Nov 2011 05:45:59 +0400
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: Benchmarks vs GCC version
On Mon, Oct 24, 2011 at 12:53:37PM +0400, Solar Designer wrote:
> I think we need to find the right -f* option flipping which would cure
> performance for non-OpenMP builds, then report this regression to gcc
> developers. It could be some option implied by -fopenmp, or maybe that
> effect is from generated code changes in the OpenMP build.
Apparently, -fopenmp was a red herring. Anyway, I've reported the gcc
regression here:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51017
Andrew Pinski said (on IRC) that he'd look into this.
Alexander
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