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From: Daniel Berlin <dberlin@dberlin.org>
To: Scott Robert Ladd <coyote@coyotegulch.com>
Cc: gcc mailing list <gcc@gcc.gnu.org>
Subject: Re: GCC viciously beaten by ICC in trig test!
Date: Mon, 15 Mar 2004 02:07:00 -0000	[thread overview]
Message-ID: <8BCCADE0-7625-11D8-AE1D-000A95DA505C@dberlin.org> (raw)
In-Reply-To: <40550945.6020904@coyotegulch.com>


On Mar 14, 2004, at 8:39 PM, Scott Robert Ladd wrote:

> Paolo Carlini wrote:
>> I don't have ready at hand tree-ssa but I have lno-branch and the 
>> below
>> are my numbers (P4-2400)
>> (-O2 -std=c99 -fomit-frame-pointer -ftree-loop-optimize 
>> -fscalar-evolutions
>> -funroll-loops)
>
> Hmm... I haven't tried the lno-branch compiler. Lord knows, there 
> aren't
> enough versions of GCC on my system already (12 at last count). I *am*
> looking forward to vectorization.
>
> According to the GCC docs, -ftree-loop-optimize is enabled at -O
?

tree-loop-optimize is new to the lno branch.

>  and
> higher. I'm not familiar with -fscalar-evolutions.
It's actually just turning on analysis.
You don't need it, as the passes that require it (linear loop 
transforms, vectorization) already turn it on automatically.

  reply	other threads:[~2004-03-15  2:07 UTC|newest]

Thread overview: 74+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-03-14 23:40 Scott Robert Ladd
2004-03-14 23:49 ` Gabriel Dos Reis
2004-03-15  1:47   ` Scott Robert Ladd
2004-03-15  0:11 ` Paolo Carlini
2004-03-15  1:47   ` Scott Robert Ladd
2004-03-15  2:07     ` Daniel Berlin [this message]
2004-03-15  2:30       ` Scott Robert Ladd
2004-03-15  2:31         ` Daniel Berlin
2004-03-15  2:38           ` Scott Robert Ladd
2004-03-15 10:00             ` Sebastian Pop
2004-03-15  0:12 ` GCC beaten by ICC in stupid " Andrew Pinski
2004-03-15  0:32   ` Paolo Carlini
2004-03-15  1:31   ` Scott Robert Ladd
2004-03-15  2:36   ` Scott Robert Ladd
2004-03-15 11:25   ` Paolo Carlini
2004-03-15 11:31     ` Paolo Carlini
2004-03-15 13:29     ` Zdenek Dvorak
2004-03-15 13:42       ` Paolo Carlini
2004-03-15 13:51         ` Zdenek Dvorak
2004-03-15 13:55           ` Paolo Carlini
2004-03-15 14:00             ` Zdenek Dvorak
2004-03-15 14:05           ` Joseph S. Myers
2004-03-15 14:13             ` Paolo Carlini
2004-03-15 14:18               ` Zdenek Dvorak
2004-03-15 14:29                 ` Segher Boessenkool
2004-03-15 14:28               ` Joseph S. Myers
2004-03-15  1:55 ` GCC viciously beaten by ICC in " Roger Sayle
2004-03-15  2:22   ` Dan Nicolaescu
2004-03-15 12:05     ` Stelios Xanthakis
2004-03-15 18:22       ` Dan Nicolaescu
2004-03-15  2:41   ` Kaveh R. Ghazi
2004-03-15  6:06     ` Andreas Jaeger
2004-03-15  8:57       ` Gabriel Dos Reis
2004-03-15  2:41   ` Scott Robert Ladd
2004-03-15  3:05     ` Gabriel Dos Reis
2004-03-15 14:47       ` Segher Boessenkool
2004-03-15 17:44         ` Geert Bosch
2004-03-15 17:46           ` Geert Bosch
2004-03-15  3:01   ` Gabriel Dos Reis
2004-03-15  4:06     ` Scott Robert Ladd
2004-03-15  5:15   ` James Morrison
2004-03-15  8:20     ` Jakub Jelinek
2004-03-15 18:13       ` Joe Buck
2004-03-16 13:31         ` Jakub Jelinek
2004-03-15  7:42   ` Ranjit Mathew
2004-03-15 19:00   ` Toon Moene
2004-03-15 19:44     ` Laurent GUERBY
2004-03-15  3:19 Stephan T. Lavavej
2004-03-15  3:29 ` Gabriel Dos Reis
2004-03-15 12:40   ` Scott Robert Ladd
2004-03-15 12:53     ` Gabriel Dos Reis
2004-03-15 13:37       ` Scott Robert Ladd
2004-03-15 15:11     ` Ian Lance Taylor
2004-03-15 16:25       ` Stephan T. Lavavej
2004-03-15 16:40         ` Jakub Jelinek
2004-03-15 16:46         ` Ian Lance Taylor
2004-03-15 16:56           ` Paolo Carlini
2004-03-15 17:10             ` Gabriel Dos Reis
2004-03-15 17:15               ` Paolo Carlini
2004-03-15 17:58                 ` Gabriel Dos Reis
2004-03-15 16:59           ` Gabriel Dos Reis
2004-03-15 17:28             ` Ian Lance Taylor
2004-03-15 17:47               ` Gabriel Dos Reis
2004-03-15 17:52               ` Joe Buck
2004-03-15 17:53               ` Phil Edwards
2004-03-15 17:45     ` Joe Buck
2004-03-15 19:50       ` Scott Robert Ladd
2004-03-16  1:00     ` Zack Weinberg
2004-03-17  0:07       ` Kai Henningsen
2004-03-16 23:12   ` Kai Henningsen
2004-03-17  3:00     ` Ian Lance Taylor
2004-03-15 17:42 ` Joe Buck
2004-03-17  0:31 Stephan T. Lavavej
2004-03-17  3:30 ` Ian Lance Taylor

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