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* [Bug debug/28547] New: Large compile time regression with -g @ 2006-07-30 22:51 pbrook at gcc dot gnu dot org 2006-07-30 22:53 ` [Bug debug/28547] " pbrook at gcc dot gnu dot org ` (2 more replies) 0 siblings, 3 replies; 4+ messages in thread From: pbrook at gcc dot gnu dot org @ 2006-07-30 22:51 UTC (permalink / raw) To: gcc-bugs 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 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug debug/28547] Large compile time regression with -g 2006-07-30 22:51 [Bug debug/28547] New: Large compile time regression with -g pbrook at gcc dot gnu dot org @ 2006-07-30 22:53 ` 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 2 siblings, 0 replies; 4+ messages in thread From: pbrook at gcc dot gnu dot org @ 2006-07-30 22:53 UTC (permalink / raw) To: gcc-bugs ------- Comment #1 from pbrook at gcc dot gnu dot org 2006-07-30 22:53 ------- Created an attachment (id=11976) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=11976&action=view) Testcase -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28547 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug debug/28547] Large compile time regression with -g 2006-07-30 22:51 [Bug debug/28547] New: Large compile time regression with -g pbrook at gcc dot gnu dot org 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 2 siblings, 0 replies; 4+ messages in thread From: jsm28 at gcc dot gnu dot org @ 2009-03-31 16:04 UTC (permalink / raw) To: gcc-bugs ------- Comment #2 from jsm28 at gcc dot gnu dot org 2009-03-31 16:04 ------- What is observed with 4.3/4.4/4.5, and what is the baseline of expected time from some previous release? If there's a regression in 4.3/4.4/4.5, please add the [4.3/4.4/4.5 Regression] marker to the bug summary and set an appropriate milestone. -- jsm28 at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |WAITING http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28547 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug debug/28547] Large compile time regression with -g 2006-07-30 22:51 [Bug debug/28547] New: Large compile time regression with -g pbrook at gcc dot gnu dot org 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 2 siblings, 0 replies; 4+ messages in thread From: steven at gcc dot gnu dot org @ 2009-07-15 7:36 UTC (permalink / raw) To: gcc-bugs ------- Comment #3 from steven at gcc dot gnu dot org 2009-07-15 07:36 ------- Paul, ping. This is almost 3 years with zero progress. If this is not an issue in GCC 4.3 or later, then please close this PR. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28547 ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2009-07-15 7:36 UTC | newest] Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2006-07-30 22:51 [Bug debug/28547] New: Large compile time regression with -g pbrook at gcc dot gnu dot org 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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