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From: "kgardas at objectsecurity dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug optimization/13775] [3.4/3.5 Regression] Many C++ compile-time regression in 3.4.0 in comparison with 3.3.2
Date: Fri, 30 Jan 2004 21:15:00 -0000 [thread overview]
Message-ID: <20040130211504.17452.qmail@sources.redhat.com> (raw)
In-Reply-To: <20040120183448.13775.kgardas@objectsecurity.com>
------- Additional Comments From kgardas at objectsecurity dot com 2004-01-30 21:14 -------
Subject: Re: [3.4/3.5 Regression] Many C++ compile-time
regression in 3.4.0 in comparison with 3.3.2
Sure! Here we go: (I've tested typecode.cc as it is the worst case)
thinkpad:/mnt/karel/mico/orb$ time make typecode.pic.o
c++ -I../include -time -ftime-report -O2 -Wall -DPIC -fPIC -c typecode.cc -o typecode.pic.o
Execution times (seconds)
garbage collection : 2.41 ( 7%) usr 0.00 ( 0%) sys 2.45 ( 6%) wall
callgraph construction: 0.14 ( 0%) usr 0.00 ( 0%) sys 0.14 ( 0%) wall
callgraph optimization: 0.01 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
cfg construction : 0.31 ( 1%) usr 0.02 ( 2%) sys 0.34 ( 1%) wall
cfg cleanup : 0.49 ( 1%) usr 0.01 ( 1%) sys 0.52 ( 1%) wall
trivially dead code : 0.52 ( 1%) usr 0.00 ( 0%) sys 0.52 ( 1%) wall
life analysis : 0.98 ( 3%) usr 0.00 ( 0%) sys 1.00 ( 3%) wall
life info update : 0.43 ( 1%) usr 0.00 ( 0%) sys 0.44 ( 1%) wall
alias analysis : 0.80 ( 2%) usr 0.02 ( 2%) sys 0.82 ( 2%) wall
register scan : 0.41 ( 1%) usr 0.00 ( 0%) sys 0.41 ( 1%) wall
rebuild jump labels : 0.20 ( 1%) usr 0.00 ( 0%) sys 0.20 ( 1%) wall
preprocessing : 0.38 ( 1%) usr 0.10 ( 8%) sys 0.51 ( 1%) wall
parser : 4.38 (12%) usr 0.34 (26%) sys 4.88 (13%) wall
name lookup : 2.32 ( 6%) usr 0.40 (30%) sys 2.88 ( 7%) wall
expand : 8.22 (23%) usr 0.00 ( 0%) sys 8.42 (22%) wall
varconst : 0.05 ( 0%) usr 0.02 ( 2%) sys 0.07 ( 0%) wall
integration : 1.50 ( 4%) usr 0.02 ( 2%) sys 1.73 ( 4%) wall
jump : 0.62 ( 2%) usr 0.11 ( 8%) sys 0.77 ( 2%) wall
CSE : 2.60 ( 7%) usr 0.00 ( 0%) sys 2.68 ( 7%) wall
global CSE : 2.46 ( 7%) usr 0.15 (11%) sys 2.67 ( 7%) wall
loop analysis : 0.13 ( 0%) usr 0.00 ( 0%) sys 0.14 ( 0%) wall
bypass jumps : 0.29 ( 1%) usr 0.03 ( 2%) sys 0.35 ( 1%) wall
CSE 2 : 0.82 ( 2%) usr 0.00 ( 0%) sys 0.84 ( 2%) wall
branch prediction : 0.40 ( 1%) usr 0.01 ( 1%) sys 0.41 ( 1%) wall
flow analysis : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall
combiner : 0.48 ( 1%) usr 0.00 ( 0%) sys 0.50 ( 1%) wall
if-conversion : 0.08 ( 0%) usr 0.00 ( 0%) sys 0.08 ( 0%) wall
regmove : 0.19 ( 1%) usr 0.00 ( 0%) sys 0.19 ( 0%) wall
local alloc : 0.42 ( 1%) usr 0.02 ( 2%) sys 0.44 ( 1%) wall
global alloc : 1.12 ( 3%) usr 0.02 ( 2%) sys 1.19 ( 3%) wall
reload CSE regs : 0.48 ( 1%) usr 0.00 ( 0%) sys 0.48 ( 1%) wall
flow 2 : 0.10 ( 0%) usr 0.00 ( 0%) sys 0.14 ( 0%) wall
if-conversion 2 : 0.08 ( 0%) usr 0.00 ( 0%) sys 0.09 ( 0%) wall
peephole 2 : 0.12 ( 0%) usr 0.00 ( 0%) sys 0.15 ( 0%) wall
rename registers : 0.13 ( 0%) usr 0.01 ( 1%) sys 0.15 ( 0%) wall
scheduling 2 : 0.69 ( 2%) usr 0.01 ( 1%) sys 0.75 ( 2%) wall
reorder blocks : 0.07 ( 0%) usr 0.00 ( 0%) sys 0.07 ( 0%) wall
shorten branches : 0.10 ( 0%) usr 0.00 ( 0%) sys 0.10 ( 0%) wall
final : 0.30 ( 1%) usr 0.00 ( 0%) sys 0.31 ( 1%) wall
symout : 0.01 ( 0%) usr 0.01 ( 1%) sys 0.02 ( 0%) wall
rest of compilation : 1.00 ( 3%) usr 0.01 ( 1%) sys 1.05 ( 3%) wall
TOTAL : 36.31 1.32 38.99
# cc1plus 36.31 1.33
# as 0.29 0.02
real 0m40.410s
user 0m37.000s
sys 0m1.400s
Cheers,
Karel
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13775
next prev parent reply other threads:[~2004-01-30 21:15 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-20 18:34 [Bug c++/13775] New: " kgardas at objectsecurity dot com
2004-01-20 18:52 ` [Bug c++/13775] " bangerth at dealii dot org
2004-01-20 18:53 ` bangerth at dealii dot org
2004-01-23 13:26 ` mattyt-bugzilla at tpg dot com dot au
2004-01-23 23:14 ` pinskia at gcc dot gnu dot org
2004-01-24 3:33 ` pinskia at gcc dot gnu dot org
2004-01-28 17:58 ` pinskia at gcc dot gnu dot org
2004-01-28 18:01 ` kgardas at objectsecurity dot com
2004-01-28 18:04 ` pinskia at gcc dot gnu dot org
2004-01-29 11:29 ` kgardas at objectsecurity dot com
2004-01-29 15:17 ` [Bug optimization/13775] [3.4/3.5 Regression] " pinskia at gcc dot gnu dot org
2004-01-30 19:25 ` bonzini at gnu dot org
2004-01-30 21:15 ` kgardas at objectsecurity dot com [this message]
2004-02-04 16:38 ` [Bug middle-end/13775] " pinskia at gcc dot gnu dot org
2004-02-05 4:56 ` roger at eyesopen dot com
2004-03-13 16:31 ` mmitchel at gcc dot gnu dot org
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