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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; 5+ 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] 5+ 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; 5+ 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] 5+ 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; 5+ 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] 5+ 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; 5+ 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] 5+ messages in thread
[parent not found: <bug-28547-4@http.gcc.gnu.org/bugzilla/>]
* [Bug debug/28547] Large compile time regression with -g [not found] <bug-28547-4@http.gcc.gnu.org/bugzilla/> @ 2012-01-10 16:15 ` rguenth at gcc dot gnu.org 0 siblings, 0 replies; 5+ messages in thread From: rguenth at gcc dot gnu.org @ 2012-01-10 16:15 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28547 Richard Guenther <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|WAITING |RESOLVED Resolution| |INVALID --- Comment #4 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-01-10 16:15:18 UTC --- No response. ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2012-01-10 16:15 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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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
[not found] <bug-28547-4@http.gcc.gnu.org/bugzilla/>
2012-01-10 16:15 ` rguenth at gcc dot gnu.org
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