From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 6080 invoked by alias); 5 Aug 2012 11:11:43 -0000 Received: (qmail 6029 invoked by uid 22791); 5 Aug 2012 11:11:41 -0000 X-SWARE-Spam-Status: No, hits=-4.3 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,KHOP_THREADED 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, 05 Aug 2012 11:11:29 +0000 From: "jason.vas.dias at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/54179] please split insn-emit.c ! Date: Sun, 05 Aug 2012 11:11:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Keywords: X-Bugzilla-Severity: enhancement X-Bugzilla-Who: jason.vas.dias at gmail 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: In-Reply-To: References: 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: 2012-08/txt/msg00236.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54179 --- Comment #1 from Jason Vas Dias 2012-08-05 11:11:28 UTC --- Why must we compile 1.8MB of insn-emit.c ? Can't it be split up ? Why is gcc-4.7.1 SO much slower ? ie. evidently the Stage1 and Stage2 compilers were able to build insn-emit.c in acceptable time. Why is the Stage3 compiler unable to do it in over 2 days ?? Why over 5000 memory maps ? When I strace the process, all it seems to be doing is managing this vast amount of memory : $ strace -tfp 3863 Process 3863 attached - interrupt to quit 11:10:24 madvise(0x7fd59ef79000, 16384, MADV_DONTNEED) = 0 11:10:24 madvise(0x7fd59f1b7000, 8192, MADV_DONTNEED) = 0 11:10:33 madvise(0x7fd3f95b8000, 4096, MADV_DONTNEED) = 0 11:10:33 madvise(0x7fd4d9c15000, 4096, MADV_DONTNEED) = 0 11:10:33 madvise(0x7fd4d9c11000, 4096, MADV_DONTNEED) = 0 11:10:33 madvise(0x7fd3f95b7000, 4096, MADV_DONTNEED) = 0