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* [Bug c++/22392] New: Huge memory usage and infinite(?) loop with -fno-enforce-eh-specs
@ 2005-07-10 12:01 debian-gcc at lists dot debian dot org
2005-07-10 12:22 ` [Bug c++/22392] " debian-gcc at lists dot debian dot org
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: debian-gcc at lists dot debian dot org @ 2005-07-10 12:01 UTC (permalink / raw)
To: gcc-bugs
[ forwarded from http://bugs.debian.org/317563 ]
The test case chews up 789m of memory and then doesn't seem to progress
for at least 10 minutes with -O2 -fno-enforce-eh-specs. Functions showing up
prominently in a profile are:
samples % symbol name
34188 22.3480 bitmap_set_bit
18170 11.8774 free_deps
17475 11.4231 sched_analyze_insn
14018 9.1633 alloc_INSN_LIST
10173 6.6499 free_list
6100 3.9874 free_INSN_LIST_list
3946 2.5794 bitmap_bit_p
2442 1.5963 build_tree_conflict_graph
With just -O2, it finishes in 1:09 minute using 341m. With g++ 4.1, it finishes
in 1:21 using 148m even with -fno-enforce-eh-specs. g++-3.4 doesn't like this
test case.
This is on alphaev68-linux. The original report was on powerpc.
--
Summary: Huge memory usage and infinite(?) loop with -fno-
enforce-eh-specs
Product: gcc
Version: 4.0.2
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: debian-gcc at lists dot debian dot org
CC: gcc-bugs at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22392
^ permalink raw reply [flat|nested] 4+ messages in thread* [Bug c++/22392] Huge memory usage and infinite(?) loop with -fno-enforce-eh-specs 2005-07-10 12:01 [Bug c++/22392] New: Huge memory usage and infinite(?) loop with -fno-enforce-eh-specs debian-gcc at lists dot debian dot org @ 2005-07-10 12:22 ` debian-gcc at lists dot debian dot org 2005-07-10 18:22 ` [Bug rtl-optimization/22392] " pinskia at gcc dot gnu dot org 2005-07-25 2:01 ` pinskia at gcc dot gnu dot org 2 siblings, 0 replies; 4+ messages in thread From: debian-gcc at lists dot debian dot org @ 2005-07-10 12:22 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From debian-gcc at lists dot debian dot org 2005-07-10 12:01 ------- Created an attachment (id=9237) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=9237&action=view) Test case -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22392 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug rtl-optimization/22392] Huge memory usage and infinite(?) loop with -fno-enforce-eh-specs 2005-07-10 12:01 [Bug c++/22392] New: Huge memory usage and infinite(?) loop with -fno-enforce-eh-specs debian-gcc at lists dot debian dot org 2005-07-10 12:22 ` [Bug c++/22392] " debian-gcc at lists dot debian dot org @ 2005-07-10 18:22 ` pinskia at gcc dot gnu dot org 2005-07-25 2:01 ` pinskia at gcc dot gnu dot org 2 siblings, 0 replies; 4+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-07-10 18:22 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-07-10 18:12 ------- This is the scheduler messing up which is normal with big BBs. -- What |Removed |Added ---------------------------------------------------------------------------- Component|c++ |rtl-optimization Keywords| |compile-time-hog, memory-hog http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22392 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug rtl-optimization/22392] Huge memory usage and infinite(?) loop with -fno-enforce-eh-specs 2005-07-10 12:01 [Bug c++/22392] New: Huge memory usage and infinite(?) loop with -fno-enforce-eh-specs debian-gcc at lists dot debian dot org 2005-07-10 12:22 ` [Bug c++/22392] " debian-gcc at lists dot debian dot org 2005-07-10 18:22 ` [Bug rtl-optimization/22392] " pinskia at gcc dot gnu dot org @ 2005-07-25 2:01 ` pinskia at gcc dot gnu dot org 2 siblings, 0 replies; 4+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-07-25 2:01 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-07-25 01:53 ------- I think this is the same bug as PR 20826. -- What |Removed |Added ---------------------------------------------------------------------------- OtherBugsDependingO| |20826 nThis| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22392 ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2005-07-25 1:53 UTC | newest] Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2005-07-10 12:01 [Bug c++/22392] New: Huge memory usage and infinite(?) loop with -fno-enforce-eh-specs debian-gcc at lists dot debian dot org 2005-07-10 12:22 ` [Bug c++/22392] " debian-gcc at lists dot debian dot org 2005-07-10 18:22 ` [Bug rtl-optimization/22392] " pinskia at gcc dot gnu dot org 2005-07-25 2:01 ` pinskia at gcc dot gnu dot org
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