From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 27216 invoked by alias); 16 Dec 2007 13:04:40 -0000 Received: (qmail 27124 invoked by uid 22791); 16 Dec 2007 13:04:39 -0000 X-Spam-Check-By: sourceware.org Received: from a82-93-67-168.adsl.xs4all.nl (HELO laptop.moene.indiv.nluug.nl) (82.93.67.168) by sourceware.org (qpsmtpd/0.31) with ESMTP; Sun, 16 Dec 2007 13:04:33 +0000 Received: from [127.0.0.1] (ident=toon) by laptop.moene.indiv.nluug.nl with esmtp (Exim 4.68) (envelope-from ) id 1J3tAT-0004Nm-Ly; Sun, 16 Dec 2007 14:04:30 +0100 Message-ID: <4765225A.1030803@moene.indiv.nluug.nl> Date: Sun, 16 Dec 2007 13:34:00 -0000 From: Toon Moene User-Agent: Icedove 1.5.0.10 (X11/20070328) MIME-Version: 1.0 To: Uros Bizjak CC: GCC Subject: Re: HIRLAM with -ftree-loop-distribution. References: <47651A7C.4090009@gmail.com> In-Reply-To: <47651A7C.4090009@gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-owner@gcc.gnu.org X-SW-Source: 2007-12/txt/msg00460.txt.bz2 Uros Bizjak wrote: >> note: not vectorized: vectorization may not beprofitable. > > This is due to switching on vector cost model by default for x86. Ah, but my hidden critique of the message was: -ftree-vectorizer-verbose=2 should *only* tell us: 1. Which loops are vectorized. 2. Which are not - and why (in a single sentence). For more detailed logging, one should use -ftree-vectorizer-verbose=n with n>2, IMNSHO. Kind regards, -- Toon Moene - e-mail: toon@moene.indiv.nluug.nl - phone: +31 346 214290 Saturnushof 14, 3738 XG Maartensdijk, The Netherlands At home: http://moene.indiv.nluug.nl/~toon/ GNU Fortran's path to Fortran 2003: http://gcc.gnu.org/wiki/Fortran2003