From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-337910-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 30216 invoked by alias); 21 Nov 2010 18:49:30 -0000
Received: (qmail 30208 invoked by uid 22791); 21 Nov 2010 18:49:30 -0000
X-SWARE-Spam-Status: No, hits=-2.8 required=5.0	tests=ALL_TRUSTED,AWL,BAYES_00
X-Spam-Check-By: sourceware.org
Received: from localhost (HELO gcc.gnu.org) (127.0.0.1)    by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sun, 21 Nov 2010 18:49:24 +0000
From: "tkoenig at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/46590] long compile time with -O2 and many loops
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
X-Bugzilla-Keywords: compile-time-hog, memory-hog
X-Bugzilla-Severity: normal
X-Bugzilla-Who: tkoenig at gcc dot gnu.org
X-Bugzilla-Status: UNCONFIRMED
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Changed-Fields: Keywords
Message-ID: <bug-46590-4-RrOjRWsbRy@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-46590-4@http.gcc.gnu.org/bugzilla/>
References: <bug-46590-4@http.gcc.gnu.org/bugzilla/>
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
Content-Type: text/plain; charset="UTF-8"
MIME-Version: 1.0
Date: Sun, 21 Nov 2010 18:55:00 -0000
Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
X-SW-Source: 2010-11/txt/msg02643.txt.bz2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46590

Thomas Koenig <tkoenig at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |memory-hog

--- Comment #3 from Thomas Koenig <tkoenig at gcc dot gnu.org> 2010-11-21 18:49:20 UTC ---
Yes, this is a memory hog as well:

time ~/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/f951 -O2 gener-max.f90
 MAIN__ main
Analyzing compilation unit
 {GC 183863k -> 103486k}Performing interprocedural optimizations
 <*free_lang_data> <visibility> <early_local_cleanups> {GC 156854k -> 151699k}
<whole-program> <ipa-profile> <cp> <inline> <pure-const> <static-var>Assembling
functions:
 MAIN__ {GC 281998k -> 189095k} {GC 393064k -> 341214k} {GC 554029k -> 337458k}
{GC 477071k -> 337199k} {GC 557246k -> 473808k}
f951: out of memory allocating 968552 bytes after a total of 4310765568 bytes

real    150m58.614s
user    150m16.083s
sys     0m11.924s
ig25@linux-fd1f:~/Krempel/Dep-c>