--- Comment #6 from rguenth at gcc dot gnu dot org 2008-01-25 20:48 ---
I need 1 to produce interesting numbers on the trunk:
integration : 13.01 (13%) usr 0.07 ( 6%) sys 13.14 (13%) wall
22701 kB (13%) ggc
tree CFG cleanup : 3.71 ( 4%) usr 0.00 ( 0%) sys
--- Comment #5 from steven at gcc dot gnu dot org 2007-11-26 14:34 ---
Andrew, still an issue here?
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steven at gcc dot gnu dot org changed:
What|Removed |Added
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pinskia at gcc dot gnu dot org changed:
What|Removed |Added
Priority|P2 |P3
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18594
--- Additional Comments From pinskia at gcc dot gnu dot org 2005-08-05
16:43 ---
cfg.c:135 (alloc_block) 5933016: 0.5% 0:
0.0% 0: 0.0%1561320: 0.6%
39033
bitmap.c:137 (bitmap_element_allocate) 35842644: 2.8% 0:
--- Additional Comments From pinskia at gcc dot gnu dot org 2005-07-25
04:28 ---
branch prediction : 4.63 (17%) usr 0.78 (16%) sys 5.57 (16%) wall
187672 kB (61%) ggc
Memory usage here is a big problem.
fold-const.c:2981 (invert_truthvalue) 36146592:15.8%
--- Additional Comments From pinskia at gcc dot gnu dot org 2004-11-29
15:50 ---
40% of the whole time is spent in compute_global_livein.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18594
--- Additional Comments From steven at gcc dot gnu dot org 2004-11-24
11:16 ---
I think part of the problem is that PHI insertion is just
not a linear algorithm (iirc it's Nlog(N)).
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