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From: "pbrook at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug debug/28547] New: Large compile time regression with -g Date: Sun, 30 Jul 2006 22:51:00 -0000 [thread overview] Message-ID: <bug-28547-6527@http.gcc.gnu.org/bugzilla/> (raw) The attached code shows a large (between 2x and 10x) increase in compile time when compiled with -g. With gcc head "-g -O" -ftime-report says: symout : 14.26 (59%) usr 0.09 (24%) sys 15.35 (59%) wall 13879 kB (17%) ggc variable tracking : 0.86 ( 4%) usr 0.03 ( 8%) sys 0.89 ( 3%) wall 28140 kB (34%) ggc With gcc 4.1 even larger slowdowns are also observable with "-O2 -g" and "-O2 -g -fomit-frrame-pointer". These don't seem to occur with head -- Summary: Large compile time regression with -g Product: gcc Version: 4.2.0 Status: UNCONFIRMED Keywords: compile-time-hog Severity: normal Priority: P3 Component: debug AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: pbrook at gcc dot gnu dot org GCC target triplet: arm-none-linux-gnueabi http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28547
next reply other threads:[~2006-07-30 22:51 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2006-07-30 22:51 pbrook at gcc dot gnu dot org [this message] 2006-07-30 22:53 ` [Bug debug/28547] " pbrook at gcc dot gnu dot org 2009-03-31 16:04 ` jsm28 at gcc dot gnu dot org 2009-07-15 7:36 ` steven at gcc dot gnu dot org
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