From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-336088-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 15375 invoked by alias); 7 Nov 2010 15:48:46 -0000
Received: (qmail 15367 invoked by uid 22791); 7 Nov 2010 15:48:45 -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, 07 Nov 2010 15:48:40 +0000
From: "paolo.carlini at oracle dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/46347] New: Profile-mode executables too large
X-Bugzilla-Reason: CC
X-Bugzilla-Type: new
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: libstdc++
X-Bugzilla-Keywords:
X-Bugzilla-Severity: enhancement
X-Bugzilla-Who: paolo.carlini at oracle dot com
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:
Message-ID: <bug-46347-4@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, 07 Nov 2010 15:48:00 -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/msg00821.txt.bz2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46347

           Summary: Profile-mode executables too large
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: P3
         Component: libstdc++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: paolo.carlini@oracle.com


I believe we should seriously investigate whether we can reduce the size of the
profile-mode executables. Likely that means we have also to add exports, but
the current status seems really pretty bad. Just as a trivial example, on
mainline today (rev 166416), x86_64, -O2, we have, for

#include <vector>

int main()
{
  std::vector<int> v(100);
  v.push_back(2);
}

the following sizes:

 normal-mode:    12184
  debug-mode:    17370
profile-mode:   130345