------- Comment #18 from rguenth at gcc dot gnu dot org 2009-03-17 12:42
-------
Vlad, for the second testcase I see
-O0:
expand : 0.78 (19%) usr 0.04 ( 5%) sys 0.83 (16%) wall
44335 kB (49%) ggc
integrated RA : 1.05 (25%) usr 0.03 ( 4%) sys 1.13 (22%) wall
1036 kB ( 1%) ggc
reload : 0.55 (13%) usr 0.02 ( 3%) sys 0.59 (12%) wall
3585 kB ( 4%) ggc
-O1:
integrated RA : 73.95 (77%) usr 1.18 (50%) sys 76.20 (76%) wall
2898 kB ( 3%) ggc
(on alias improvements branch I see
combiner : 24.89 (17%) usr 0.51 (28%) sys 25.41 (17%) wall
448053 kB (82%) ggc
integrated RA : 69.81 (47%) usr 0.36 (20%) sys 70.22 (46%) wall
3212 kB ( 1%) ggc
as tree loop invariant motion does lots of stuff there)
-O2:
PRE : 25.49 (26%) usr 0.03 ( 3%) sys 25.52 (26%) wall
3513 kB ( 3%) ggc
integrated RA : 36.98 (38%) usr 0.24 (21%) sys 37.31 (38%) wall
2158 kB ( 2%) ggc
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
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CC| |vmakarov at gcc dot gnu dot
| |org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39326
