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[Bug rtl-optimization/54269] [4.8 Regression] memory usage too large when optimizing
- From: "Joost.VandeVondele at mat dot ethz.ch" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 15 Aug 2012 11:37:51 +0000
- Subject: [Bug rtl-optimization/54269] [4.8 Regression] memory usage too large when optimizing
- Auto-submitted: auto-generated
- References: <bug-54269-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54269
--- Comment #4 from Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> 2012-08-15 11:37:51 UTC ---
(In reply to comment #2)
> Well, that's ENABLE_CHECKING code. Are you sure 4.7 built with
> --enable-checking=yes does not exhibit this behavior?
it looks like --enable-checking is key. --enable-checking=no leads to about
1Gb, while --enable-checking=yes leads to about 10Gb mem usage.