From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8363 invoked by alias); 4 May 2012 07:10:45 -0000 Received: (qmail 8351 invoked by uid 22791); 4 May 2012 07:10:43 -0000 X-SWARE-Spam-Status: No, hits=-3.6 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; Fri, 04 May 2012 07:10:30 +0000 From: "mario-baumann at web dot de" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/53226] New: memory consumption for heavy template instantiations increased massively Date: Fri, 04 May 2012 07:10:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: mario-baumann at web dot de 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: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2012-05/txt/msg00374.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53226 Bug #: 53226 Summary: memory consumption for heavy template instantiations increased massively Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned@gcc.gnu.org ReportedBy: mario-baumann@web.de Hi All, i noticed that memory consumption for heavy template instantiations increased massively between gcc revision 187034 and 187074. If a compile my current project (unfortunately closed source) i got e.g. > top top - 08:58:08 up 1 day, 30 min, 11 users, load average: 28.83, 19.13, 13.36 Mem: 24607424k total, 24464568k used, 142856k free, 752k buffers Swap: 52436120k total, 6650108k used, 45786012k free, 4174408k cached PID PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 14825 20 0 24.5g 18g 496 R 89.1 79.0 3:48.75 cc1plus Mario. --- > uname -a Linux ahsoka.intec.dom 2.6.32-220.13.1.el6.x86_64 #1 SMP Thu Mar 29 11:46:40 EDT 2012 x86_64 x86_64 x86_64 GNU/Linux > rpm -qa "glibc*" | grep -e 'glibc-[0-9]' | sort -u glibc-2.12-1.47.el6_2.9.i686 glibc-2.12-1.47.el6_2.9.x86_64 > g++ -v Using built-in specs. COLLECT_GCC=g++ COLLECT_LTO_WRAPPER=/app2/gcc/4.8.0-20120503-svn187074/x86_64/libexec/gcc/x86_64-unknown-linux-gnu/4.8.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: ./configure --prefix=/app2/gcc/4.8.0-20120503-svn187074/x86_64 --enable-languages=c,c++,fortran --disable-nls --with-gmp=/app2/gcc/4.8.0-20120503-svn187074/x86_64/aux --with-mpfr=/app2/gcc/4.8.0-20120503-svn187074/x86_64/aux --with-mpc=/app2/gcc/4.8.0-20120503-svn187074/x86_64/aux --with-ppl=/app2/gcc/4.8.0-20120503-svn187074/x86_64/aux --with-cloog=/app2/gcc/4.8.0-20120503-svn187074/x86_64/aux Thread model: posix gcc version 4.8.0 20120503 (experimental) (GCC) > ld -v GNU ld (GNU Binutils) 2.22.52.20120503