-- Forwarded message --
From: Sergey Ostanevich
Date: Wed, Sep 26, 2012 at 4:55 PM
Subject: Re: 10% runtime regression in rnflow Polyhedron benchmark
To: Dominique Dhumieres
On Mon, Sep 17, 2012 at 1:18 PM, Dominique Dhumieres wrote:
> Hi Uros,
>
>> Recent patch i
Hi Uros,
> Recent patch introduced 10% runtime regression on x86_64 targets in
> rnflow Polyhedron benchmark [1]. Did somebody alread bisected to the
> offending patch?
I see it since some time. It is on my TODO list to open a new PR.
You can suppress the slowdown with -fno-tree-loop-if-convert.
Hello!
Recent patch introduced 10% runtime regression on x86_64 targets in
rnflow Polyhedron benchmark [1]. Did somebody alread bisected to the
offending patch?
[1] http://gcc.opensuse.org/c++bench/polyhedron/polyhedron-summary.txt-2-0.html
Uros.
