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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