---------- Forwarded message ---------- From: Sergey Ostanevich <sergos....@gmail.com> Date: Wed, Sep 26, 2012 at 4:55 PM Subject: Re: 10% runtime regression in rnflow Polyhedron benchmark To: Dominique Dhumieres <domi...@lps.ens.fr>
On Mon, Sep 17, 2012 at 1:18 PM, Dominique Dhumieres <domi...@lps.ens.fr> wrote: > 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. > > I think I have already done the bissection, but right now I am > chasing another problem and I'll need a couple hours to get to > it. > commit 024fee2c369096e6fe6cde620243df5843893004 Author: rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> Date: Thu Sep 13 12:43:58 2012 +0000 PR54717 filed regards, Sergos
