subject:"Wow\!"

Re: Wow!

2007-07-03 Thread Richard Guenther

On 7/3/07, Jeffrey Law <[EMAIL PROTECTED]> wrote: On Tue, 2007-07-03 at 13:07 +0200, Richard Guenther wrote: > On 7/3/07, Daniel Berlin <[EMAIL PROTECTED]> wrote: > > On 7/2/07, Uros Bizjak <[EMAIL PROTECTED]> wrote: > > > Daniel Berlin wrote: > > > > I'm curious if it was the pre/fre changes. c

Re: Wow!

2007-07-03 Thread Jeffrey Law

On Tue, 2007-07-03 at 13:07 +0200, Richard Guenther wrote: > On 7/3/07, Daniel Berlin <[EMAIL PROTECTED]> wrote: > > On 7/2/07, Uros Bizjak <[EMAIL PROTECTED]> wrote: > > > Daniel Berlin wrote: > > > > I'm curious if it was the pre/fre changes. can you try -fno-tree-pre > > > > and -fno-tree-fre a

Re: Wow!

2007-07-03 Thread J.C. Pizarro

Uros Bizjak Mon, 02 Jul 2007 20:29:41 +0200 wrote: Hello! It is worth noticing that latest changes to gcc brought more than 75% speed-up on Polyhedron aermod.f90 benchmark [1]. I can confirm this on 32bit nocona, and double-checked on 64bit core2: gcc -O3 -funroll-loops -ftree-vectorize -ffa

Re: Wow!

2007-07-03 Thread Richard Guenther

On 7/3/07, Daniel Berlin <[EMAIL PROTECTED]> wrote: On 7/2/07, Uros Bizjak <[EMAIL PROTECTED]> wrote: > Daniel Berlin wrote: > > I'm curious if it was the pre/fre changes. can you try -fno-tree-pre > > and -fno-tree-fre and see if it slows down again? > Adding -fno-tree-pre slows aermod back to

Re: Wow!

2007-07-02 Thread Daniel Berlin

On 7/2/07, Uros Bizjak <[EMAIL PROTECTED]> wrote: Daniel Berlin wrote: > I'm curious if it was the pre/fre changes. can you try -fno-tree-pre > and -fno-tree-fre and see if it slows down again? Adding -fno-tree-pre slows aermod back to 33.942s. Nice optimization. ;) Thanks. (You really should t

Re: Wow!

2007-07-02 Thread Uros Bizjak

Daniel Berlin wrote: I'm curious if it was the pre/fre changes. can you try -fno-tree-pre and -fno-tree-fre and see if it slows down again? Adding -fno-tree-pre slows aermod back to 33.942s. Nice optimization. ;) BTW: I was looking if this speedup was due to yet uncommitted patch for PR 32457

Re: Wow!

2007-07-02 Thread Daniel Berlin

I'm curious if it was the pre/fre changes. can you try -fno-tree-pre and -fno-tree-fre and see if it slows down again? On 7/2/07, Uros Bizjak <[EMAIL PROTECTED]> wrote: Hello! It is worth noticing that latest changes to gcc brought more than 75% speed-up on Polyhedron aermod.f90 benchmark [1].

Wow!

2007-07-02 Thread Uros Bizjak

Hello! It is worth noticing that latest changes to gcc brought more than 75% speed-up on Polyhedron aermod.f90 benchmark [1]. I can confirm this on 32bit nocona, and double-checked on 64bit core2: gcc -O3 -funroll-loops -ftree-vectorize -ffast-math: (GCC) 4.3.0 20070622 : 0m33.530s (GCC) 4.3