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From: Steven Bosscher <s.bosscher@student.tudelft.nl> To: nobody@gcc.gnu.org Cc: gcc-prs@gcc.gnu.org, Subject: Re: optimization/10196: [3.3/3.4 regression] Compile time regression with inlining Date: Tue, 08 Apr 2003 09:56:00 -0000 [thread overview] Message-ID: <20030408095601.2088.qmail@sources.redhat.com> (raw) The following reply was made to PR optimization/10196; it has been noted by GNATS. From: Steven Bosscher <s.bosscher@student.tudelft.nl> To: gcc-gnats@gcc.gnu.org, rguenth@tat.physik.uni-tuebingen.de, gcc-bugs@gcc.gnu.org, nobody@gcc.gnu.org, gcc-prs@gcc.gnu.org Cc: Subject: Re: optimization/10196: [3.3/3.4 regression] Compile time regression with inlining Date: Tue, 08 Apr 2003 11:51:21 +0200 http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=10196 I have tried to compile the test case with a profiling 3.3 (mainline rejects the code). It didn't quite work... The profiling information makes it all even slower, and it hogs up so much memory that the compiler just dies. My profiling compiler dies after 15 minutes or so. The final announcement is: int GridPartition<Dim>::partition(const D&, std::vector<Node<Interval<Dim>, Interval<Dim> >*, std::allocator<Node<Interval<Dim>, Interval<Dim> >*> >&, const ContextMapper<Dim>&) const [with D = Interval<1>, int Dim = 1] GC {197832k -> 53003k}Killed (box is i586-pc-linux-gnu with 192MB RAM, and >300MB swap) I don't know what exactly to make of this, but obviously eating so much memory is *not* good. Also, the biggest contributions to the compile time apart from expand are cfg-cleanup and jump, so apparently expand fills memory with lots of garbage left to be cleaned up by cfg-cleanup and jump. Which is not really news, of course. Greetz Steven
next reply other threads:[~2003-04-08 9:56 UTC|newest] Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top 2003-04-08 9:56 Steven Bosscher [this message] -- strict thread matches above, loose matches on Subject: below -- 2003-04-23 15:46 mmitchel 2003-04-08 14:46 Richard Guenther 2003-04-08 11:06 Richard Guenther 2003-04-08 11:06 Steven Bosscher 2003-04-07 15:06 Steven Bosscher 2003-03-24 18:26 mmitchel 2003-03-24 13:46 Richard Guenther 2003-03-24 8:36 mmitchel
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