libgomp
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: jaffe at broad dot mit dot edu
GCC build triplet: x86_64-unknown-linux-gnu
GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40852
--- Comment #23 from jaffe at broad dot mit dot edu 2005-10-31 10:47
---
When is this problem likely to be resolved? I understand that you have to
prioritize. I just want to understand what the prospects are. Thanks.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23835
--- Comment #21 from jaffe at broad dot mit dot edu 2005-10-17 10:01
---
% gcc -O3 -ftime-report -c test.ii |& grep usr | sort -t : +1 -n -r | head -10
tree SSA incremental : 3.19 (12%) usr 0.02 ( 2%) sys 3.18 (11%) wall
8995 kB ( 2%) ggc
scheduling 2 : 2.03
--- Comment #19 from jaffe at broad dot mit dot edu 2005-10-16 12:20
---
Is further work planned on this? Thanks.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23835
--- Additional Comments From jaffe at broad dot mit dot edu 2005-09-28
09:45 ---
That's an improvement!
Still, here are the stats again, updated for 4.1.0:
Compile time in seconds for test.ii:
-O0 -O1-O2 -O3
3.4.3 5.659 9.515 13.811 14.779
4.1.0
Product: gcc
Version: 4.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: jaffe at broad dot mit dot edu
CC: gcc-bugs at gcc dot gnu dot org
GCC
--- Additional Comments From jaffe at broad dot mit dot edu 2005-09-13
22:03 ---
We recompiled gcc 4.1.0 with checking disabled. The results are now less
dramatic but still of concern: optimized 4.1.0 compiles take about twice as
long as 3.4.3 compiles on the test case:
Compile time
--- Additional Comments From jaffe at broad dot mit dot edu 2005-09-12
16:33 ---
Created an attachment (id=9711)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=9711&action=view)
preprocessed source code
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23835
Version: 4.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: jaffe at broad dot mit dot edu
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet