* [Bug tree-optimization/43627] [4.5 Regression] slow compilation
2010-04-02 8:14 [Bug tree-optimization/43627] New: [4.5 Regression] slow compilation jv244 at cam dot ac dot uk
@ 2010-04-02 8:16 ` jv244 at cam dot ac dot uk
2010-04-02 8:17 ` jv244 at cam dot ac dot uk
` (23 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: jv244 at cam dot ac dot uk @ 2010-04-02 8:16 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from jv244 at cam dot ac dot uk 2010-04-02 08:16 -------
Created an attachment (id=20287)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20287&action=view)
testcase
reproduce with
gfortran -fbounds-check -g -O3 -ffast-math -funroll-loops -ftree-vectorize
-march=native -c hog.f90
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627
^ permalink raw reply [flat|nested] 26+ messages in thread* [Bug tree-optimization/43627] [4.5 Regression] slow compilation
2010-04-02 8:14 [Bug tree-optimization/43627] New: [4.5 Regression] slow compilation jv244 at cam dot ac dot uk
2010-04-02 8:16 ` [Bug tree-optimization/43627] " jv244 at cam dot ac dot uk
@ 2010-04-02 8:17 ` jv244 at cam dot ac dot uk
2010-04-02 8:28 ` [Bug tree-optimization/43627] [4.5 Regression] slow compilation (tree canonical iv ) jv244 at cam dot ac dot uk
` (22 subsequent siblings)
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From: jv244 at cam dot ac dot uk @ 2010-04-02 8:17 UTC (permalink / raw)
To: gcc-bugs
--
jv244 at cam dot ac dot uk changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |4.5.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627
^ permalink raw reply [flat|nested] 26+ messages in thread* [Bug tree-optimization/43627] [4.5 Regression] slow compilation (tree canonical iv )
2010-04-02 8:14 [Bug tree-optimization/43627] New: [4.5 Regression] slow compilation jv244 at cam dot ac dot uk
2010-04-02 8:16 ` [Bug tree-optimization/43627] " jv244 at cam dot ac dot uk
2010-04-02 8:17 ` jv244 at cam dot ac dot uk
@ 2010-04-02 8:28 ` jv244 at cam dot ac dot uk
2010-04-02 9:18 ` steven at gcc dot gnu dot org
` (21 subsequent siblings)
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From: jv244 at cam dot ac dot uk @ 2010-04-02 8:28 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from jv244 at cam dot ac dot uk 2010-04-02 08:27 -------
And a timing report as well (notice the machine is not fully idle). The major
consumer is tree canonical.
Execution times (seconds)
garbage collection : 7.71 ( 2%) usr 0.07 ( 4%) sys 14.12 ( 2%) wall
0 kB ( 0%) ggc
callgraph construction: 0.18 ( 0%) usr 0.01 ( 1%) sys 0.24 ( 0%) wall
6675 kB ( 1%) ggc
callgraph optimization: 0.61 ( 0%) usr 0.03 ( 2%) sys 0.61 ( 0%) wall
1655 kB ( 0%) ggc
ipa cp : 0.19 ( 0%) usr 0.00 ( 0%) sys 0.19 ( 0%) wall
539 kB ( 0%) ggc
ipa reference : 0.15 ( 0%) usr 0.00 ( 0%) sys 0.15 ( 0%) wall
0 kB ( 0%) ggc
ipa pure const : 0.17 ( 0%) usr 0.00 ( 0%) sys 0.17 ( 0%) wall
0 kB ( 0%) ggc
ipa SRA : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
0 kB ( 0%) ggc
cfg cleanup : 0.78 ( 0%) usr 0.01 ( 1%) sys 1.27 ( 0%) wall
3661 kB ( 0%) ggc
CFG verifier : 2.10 ( 1%) usr 0.00 ( 0%) sys 3.40 ( 1%) wall
0 kB ( 0%) ggc
trivially dead code : 0.38 ( 0%) usr 0.00 ( 0%) sys 0.40 ( 0%) wall
0 kB ( 0%) ggc
df multiple defs : 0.59 ( 0%) usr 0.00 ( 0%) sys 0.92 ( 0%) wall
0 kB ( 0%) ggc
df reaching defs : 0.86 ( 0%) usr 0.00 ( 0%) sys 1.83 ( 0%) wall
0 kB ( 0%) ggc
df live regs : 4.92 ( 1%) usr 0.01 ( 1%) sys 8.23 ( 1%) wall
0 kB ( 0%) ggc
df live&initialized regs: 1.48 ( 0%) usr 0.01 ( 1%) sys 3.37 ( 1%) wall
0 kB ( 0%) ggc
df use-def / def-use chains: 0.71 ( 0%) usr 0.00 ( 0%) sys 1.39 ( 0%)
wall 0 kB ( 0%) ggc
df reg dead/unused notes: 4.15 ( 1%) usr 0.01 ( 1%) sys 7.47 ( 1%) wall
9314 kB ( 1%) ggc
register information : 1.29 ( 0%) usr 0.01 ( 1%) sys 3.00 ( 0%) wall
0 kB ( 0%) ggc
alias analysis : 0.64 ( 0%) usr 0.00 ( 0%) sys 0.74 ( 0%) wall
21770 kB ( 3%) ggc
alias stmt walking : 1.94 ( 1%) usr 0.06 ( 4%) sys 3.50 ( 1%) wall
0 kB ( 0%) ggc
register scan : 0.18 ( 0%) usr 0.00 ( 0%) sys 0.11 ( 0%) wall
0 kB ( 0%) ggc
rebuild jump labels : 0.23 ( 0%) usr 0.00 ( 0%) sys 0.26 ( 0%) wall
0 kB ( 0%) ggc
parser : 1.27 ( 0%) usr 0.12 ( 7%) sys 1.50 ( 0%) wall
42200 kB ( 5%) ggc
inline heuristics : 0.43 ( 0%) usr 0.02 ( 1%) sys 0.34 ( 0%) wall
0 kB ( 0%) ggc
tree gimplify : 0.69 ( 0%) usr 0.03 ( 2%) sys 0.79 ( 0%) wall
52375 kB ( 6%) ggc
tree eh : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.06 ( 0%) wall
0 kB ( 0%) ggc
tree CFG construction : 0.08 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
9418 kB ( 1%) ggc
tree CFG cleanup : 0.49 ( 0%) usr 0.00 ( 0%) sys 0.80 ( 0%) wall
418 kB ( 0%) ggc
tree VRP : 2.08 ( 1%) usr 0.05 ( 3%) sys 3.67 ( 1%) wall
54923 kB ( 7%) ggc
tree copy propagation : 0.37 ( 0%) usr 0.00 ( 0%) sys 0.59 ( 0%) wall
237 kB ( 0%) ggc
tree find ref. vars : 0.07 ( 0%) usr 0.02 ( 1%) sys 0.09 ( 0%) wall
3774 kB ( 0%) ggc
tree PTA : 0.19 ( 0%) usr 0.00 ( 0%) sys 0.19 ( 0%) wall
425 kB ( 0%) ggc
tree PHI insertion : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall
315 kB ( 0%) ggc
tree SSA rewrite : 0.44 ( 0%) usr 0.03 ( 2%) sys 0.80 ( 0%) wall
20682 kB ( 3%) ggc
tree SSA other : 0.22 ( 0%) usr 0.02 ( 1%) sys 0.23 ( 0%) wall
434 kB ( 0%) ggc
tree SSA incremental : 0.62 ( 0%) usr 0.04 ( 2%) sys 0.91 ( 0%) wall
438 kB ( 0%) ggc
tree operand scan : 0.27 ( 0%) usr 0.14 ( 8%) sys 0.53 ( 0%) wall
21791 kB ( 3%) ggc
dominator optimization: 0.42 ( 0%) usr 0.00 ( 0%) sys 0.72 ( 0%) wall
4190 kB ( 1%) ggc
tree CCP : 0.56 ( 0%) usr 0.01 ( 1%) sys 0.70 ( 0%) wall
3081 kB ( 0%) ggc
tree PHI const/copy prop: 0.05 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
22 kB ( 0%) ggc
tree split crit edges : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.10 ( 0%) wall
3268 kB ( 0%) ggc
tree reassociation : 0.17 ( 0%) usr 0.00 ( 0%) sys 0.36 ( 0%) wall
161 kB ( 0%) ggc
tree PRE : 6.54 ( 2%) usr 0.02 ( 1%) sys 11.71 ( 2%) wall
25200 kB ( 3%) ggc
tree FRE : 0.76 ( 0%) usr 0.03 ( 2%) sys 1.15 ( 0%) wall
8100 kB ( 1%) ggc
tree code sinking : 0.23 ( 0%) usr 0.04 ( 2%) sys 0.44 ( 0%) wall
12275 kB ( 2%) ggc
tree linearize phis : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.05 ( 0%) wall
0 kB ( 0%) ggc
tree forward propagate: 0.19 ( 0%) usr 0.01 ( 1%) sys 0.25 ( 0%) wall
9572 kB ( 1%) ggc
tree phiprop : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
0 kB ( 0%) ggc
tree conservative DCE : 0.19 ( 0%) usr 0.02 ( 1%) sys 0.51 ( 0%) wall
17 kB ( 0%) ggc
tree aggressive DCE : 0.49 ( 0%) usr 0.01 ( 1%) sys 0.74 ( 0%) wall
2998 kB ( 0%) ggc
tree buildin call DCE : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
0 kB ( 0%) ggc
tree DSE : 0.06 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
27 kB ( 0%) ggc
tree loop bounds : 0.21 ( 0%) usr 0.00 ( 0%) sys 0.47 ( 0%) wall
6310 kB ( 1%) ggc
tree loop invariant motion: 0.29 ( 0%) usr 0.01 ( 1%) sys 0.45 ( 0%)
wall 498 kB ( 0%) ggc
tree canonical iv : 230.79 (62%) usr 0.10 ( 6%) sys 393.03 (61%) wall
146373 kB (18%) ggc
scev constant prop : 0.11 ( 0%) usr 0.00 ( 0%) sys 0.35 ( 0%) wall
5809 kB ( 1%) ggc
tree loop unswitching : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall
0 kB ( 0%) ggc
complete unrolling : 0.05 ( 0%) usr 0.00 ( 0%) sys 0.15 ( 0%) wall
1123 kB ( 0%) ggc
tree vectorization : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
40 kB ( 0%) ggc
tree slp vectorization: 0.48 ( 0%) usr 0.00 ( 0%) sys 0.83 ( 0%) wall
19329 kB ( 2%) ggc
tree iv optimization : 0.59 ( 0%) usr 0.00 ( 0%) sys 0.77 ( 0%) wall
13315 kB ( 2%) ggc
predictive commoning : 1.44 ( 0%) usr 0.00 ( 0%) sys 2.29 ( 0%) wall
40577 kB ( 5%) ggc
tree loop init : 0.17 ( 0%) usr 0.01 ( 1%) sys 0.31 ( 0%) wall
5246 kB ( 1%) ggc
tree loop fini : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
0 kB ( 0%) ggc
tree copy headers : 0.02 ( 0%) usr 0.01 ( 1%) sys 0.07 ( 0%) wall
758 kB ( 0%) ggc
tree SSA uncprop : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.09 ( 0%) wall
0 kB ( 0%) ggc
tree rename SSA copies: 0.06 ( 0%) usr 0.00 ( 0%) sys 0.13 ( 0%) wall
0 kB ( 0%) ggc
tree SSA verifier : 9.57 ( 3%) usr 0.01 ( 1%) sys 15.09 ( 2%) wall
0 kB ( 0%) ggc
tree STMT verifier : 18.08 ( 5%) usr 0.10 ( 6%) sys 30.59 ( 5%) wall
0 kB ( 0%) ggc
tree switch initialization conversion: 0.01 ( 0%) usr 0.00 ( 0%) sys
0.00 ( 0%) wall 0 kB ( 0%) ggc
callgraph verifier : 1.64 ( 0%) usr 0.00 ( 0%) sys 1.83 ( 0%) wall
0 kB ( 0%) ggc
dominance frontiers : 0.08 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall
0 kB ( 0%) ggc
dominance computation : 0.58 ( 0%) usr 0.00 ( 0%) sys 0.84 ( 0%) wall
0 kB ( 0%) ggc
control dependences : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
0 kB ( 0%) ggc
expand : 8.51 ( 2%) usr 0.05 ( 3%) sys 15.28 ( 2%) wall
76554 kB ( 9%) ggc
jump : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
0 kB ( 0%) ggc
forward prop : 1.18 ( 0%) usr 0.00 ( 0%) sys 2.75 ( 0%) wall
6749 kB ( 1%) ggc
CSE : 1.51 ( 0%) usr 0.01 ( 1%) sys 2.73 ( 0%) wall
1375 kB ( 0%) ggc
dead code elimination : 0.73 ( 0%) usr 0.00 ( 0%) sys 1.60 ( 0%) wall
0 kB ( 0%) ggc
dead store elim1 : 0.75 ( 0%) usr 0.01 ( 1%) sys 1.18 ( 0%) wall
5337 kB ( 1%) ggc
dead store elim2 : 1.39 ( 0%) usr 0.00 ( 0%) sys 2.67 ( 0%) wall
6079 kB ( 1%) ggc
loop analysis : 0.08 ( 0%) usr 0.01 ( 1%) sys 0.06 ( 0%) wall
61 kB ( 0%) ggc
loop invariant motion : 0.10 ( 0%) usr 0.01 ( 1%) sys 0.16 ( 0%) wall
1 kB ( 0%) ggc
loop unswitching : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.08 ( 0%) wall
0 kB ( 0%) ggc
loop unrolling : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.08 ( 0%) wall
190 kB ( 0%) ggc
CPROP : 1.05 ( 0%) usr 0.00 ( 0%) sys 1.94 ( 0%) wall
7896 kB ( 1%) ggc
PRE : 0.29 ( 0%) usr 0.00 ( 0%) sys 0.52 ( 0%) wall
882 kB ( 0%) ggc
web : 1.08 ( 0%) usr 0.00 ( 0%) sys 1.81 ( 0%) wall
23 kB ( 0%) ggc
CSE 2 : 1.53 ( 0%) usr 0.00 ( 0%) sys 2.51 ( 0%) wall
793 kB ( 0%) ggc
branch prediction : 0.14 ( 0%) usr 0.01 ( 1%) sys 0.25 ( 0%) wall
4053 kB ( 0%) ggc
combiner : 2.39 ( 1%) usr 0.02 ( 1%) sys 4.13 ( 1%) wall
26323 kB ( 3%) ggc
if-conversion : 0.08 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
130 kB ( 0%) ggc
regmove : 0.36 ( 0%) usr 0.00 ( 0%) sys 0.47 ( 0%) wall
4 kB ( 0%) ggc
integrated RA : 8.51 ( 2%) usr 0.01 ( 1%) sys 14.18 ( 2%) wall
8933 kB ( 1%) ggc
reload : 1.93 ( 1%) usr 0.04 ( 2%) sys 3.31 ( 1%) wall
1774 kB ( 0%) ggc
reload CSE regs : 0.80 ( 0%) usr 0.01 ( 1%) sys 1.54 ( 0%) wall
9904 kB ( 1%) ggc
load CSE after reload : 0.15 ( 0%) usr 0.00 ( 0%) sys 0.19 ( 0%) wall
0 kB ( 0%) ggc
thread pro- & epilogue: 0.14 ( 0%) usr 0.00 ( 0%) sys 0.24 ( 0%) wall
572 kB ( 0%) ggc
if-conversion 2 : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall
59 kB ( 0%) ggc
combine stack adjustments: 0.04 ( 0%) usr 0.00 ( 0%) sys 0.05 ( 0%) wall
0 kB ( 0%) ggc
peephole 2 : 0.44 ( 0%) usr 0.00 ( 0%) sys 0.56 ( 0%) wall
2057 kB ( 0%) ggc
rename registers : 0.44 ( 0%) usr 0.00 ( 0%) sys 0.85 ( 0%) wall
701 kB ( 0%) ggc
hard reg cprop : 0.64 ( 0%) usr 0.00 ( 0%) sys 1.03 ( 0%) wall
35 kB ( 0%) ggc
scheduling 2 : 1.70 ( 0%) usr 0.03 ( 2%) sys 3.15 ( 0%) wall
257 kB ( 0%) ggc
machine dep reorg : 0.18 ( 0%) usr 0.00 ( 0%) sys 0.41 ( 0%) wall
0 kB ( 0%) ggc
reorder blocks : 0.13 ( 0%) usr 0.00 ( 0%) sys 0.26 ( 0%) wall
2145 kB ( 0%) ggc
final : 0.91 ( 0%) usr 0.03 ( 2%) sys 1.67 ( 0%) wall
5904 kB ( 1%) ggc
symout : 0.47 ( 0%) usr 0.07 ( 4%) sys 1.15 ( 0%) wall
50781 kB ( 6%) ggc
variable tracking : 26.64 ( 7%) usr 0.32 (19%) sys 48.05 ( 7%) wall
38563 kB ( 5%) ggc
plugin execution : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
0 kB ( 0%) ggc
TOTAL : 374.92 1.71 641.15
817719 kB
Extra diagnostic checks enabled; compiler may run slowly.
Configure with --enable-checking=release to disable checks.
real 10m46.566s
user 6m17.140s
--
jv244 at cam dot ac dot uk changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[4.5 Regression] slow |[4.5 Regression] slow
|compilation |compilation (tree canonical
| |iv )
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627
^ permalink raw reply [flat|nested] 26+ messages in thread* [Bug tree-optimization/43627] [4.5 Regression] slow compilation (tree canonical iv )
2010-04-02 8:14 [Bug tree-optimization/43627] New: [4.5 Regression] slow compilation jv244 at cam dot ac dot uk
` (2 preceding siblings ...)
2010-04-02 8:28 ` [Bug tree-optimization/43627] [4.5 Regression] slow compilation (tree canonical iv ) jv244 at cam dot ac dot uk
@ 2010-04-02 9:18 ` steven at gcc dot gnu dot org
2010-04-02 9:27 ` jv244 at cam dot ac dot uk
` (20 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: steven at gcc dot gnu dot org @ 2010-04-02 9:18 UTC (permalink / raw)
To: gcc-bugs
------- Comment #3 from steven at gcc dot gnu dot org 2010-04-02 09:18 -------
This tells me you are comparing apples and cows: "Extra diagnostic checks
enabled; compiler may run slowly."
Could you try again with a compiler configured with --enable=checking=release?
--
steven at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627
^ permalink raw reply [flat|nested] 26+ messages in thread* [Bug tree-optimization/43627] [4.5 Regression] slow compilation (tree canonical iv )
2010-04-02 8:14 [Bug tree-optimization/43627] New: [4.5 Regression] slow compilation jv244 at cam dot ac dot uk
` (3 preceding siblings ...)
2010-04-02 9:18 ` steven at gcc dot gnu dot org
@ 2010-04-02 9:27 ` jv244 at cam dot ac dot uk
2010-04-02 9:47 ` jv244 at cam dot ac dot uk
` (19 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: jv244 at cam dot ac dot uk @ 2010-04-02 9:27 UTC (permalink / raw)
To: gcc-bugs
------- Comment #4 from jv244 at cam dot ac dot uk 2010-04-02 09:26 -------
(In reply to comment #3)
> This tells me you are comparing apples and cows: "Extra diagnostic checks
> enabled; compiler may run slowly."
>
> Could you try again with a compiler configured with --enable=checking=release?
>
I'll do now...
for reference, 4.4 has:
> gfortran -ftime-report -fbounds-check -g -O3 -ffast-math -funroll-loops -ftree-vectorize -march=native hog.f90
Execution times (seconds)
garbage collection : 0.15 ( 1%) usr 0.00 ( 0%) sys 0.14 ( 1%) wall
0 kB ( 0%) ggc
callgraph construction: 0.33 ( 1%) usr 0.03 ( 4%) sys 0.33 ( 1%) wall
9447 kB ( 2%) ggc
callgraph optimization: 0.46 ( 2%) usr 0.01 ( 1%) sys 0.50 ( 2%) wall
239 kB ( 0%) ggc
ipa cp : 0.22 ( 1%) usr 0.00 ( 0%) sys 0.24 ( 1%) wall
0 kB ( 0%) ggc
ipa reference : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
0 kB ( 0%) ggc
cfg cleanup : 0.08 ( 0%) usr 0.00 ( 0%) sys 0.12 ( 0%) wall
914 kB ( 0%) ggc
trivially dead code : 0.10 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall
0 kB ( 0%) ggc
df reaching defs : 0.06 ( 0%) usr 0.00 ( 0%) sys 0.12 ( 0%) wall
0 kB ( 0%) ggc
df live regs : 0.22 ( 1%) usr 0.00 ( 0%) sys 0.18 ( 1%) wall
0 kB ( 0%) ggc
df live&initialized regs: 0.10 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
0 kB ( 0%) ggc
df use-def / def-use chains: 0.11 ( 0%) usr 0.00 ( 0%) sys 0.05 ( 0%)
wall 0 kB ( 0%) ggc
df reg dead/unused notes: 0.17 ( 1%) usr 0.00 ( 0%) sys 0.09 ( 0%) wall
3443 kB ( 1%) ggc
register information : 0.07 ( 0%) usr 0.00 ( 0%) sys 0.06 ( 0%) wall
0 kB ( 0%) ggc
alias analysis : 0.14 ( 1%) usr 0.00 ( 0%) sys 0.12 ( 0%) wall
6273 kB ( 1%) ggc
register scan : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall
0 kB ( 0%) ggc
rebuild jump labels : 0.08 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
0 kB ( 0%) ggc
parser : 1.27 ( 5%) usr 0.12 (16%) sys 1.31 ( 5%) wall
50936 kB ( 9%) ggc
inline heuristics : 0.13 ( 1%) usr 0.05 ( 6%) sys 0.25 ( 1%) wall
0 kB ( 0%) ggc
tree gimplify : 0.44 ( 2%) usr 0.04 ( 5%) sys 0.54 ( 2%) wall
61550 kB (11%) ggc
tree eh : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall
0 kB ( 0%) ggc
tree CFG construction : 0.05 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
9734 kB ( 2%) ggc
tree CFG cleanup : 0.28 ( 1%) usr 0.00 ( 0%) sys 0.18 ( 1%) wall
668 kB ( 0%) ggc
tree VRP : 1.21 ( 5%) usr 0.03 ( 4%) sys 1.26 ( 5%) wall
42193 kB ( 8%) ggc
tree copy propagation : 0.21 ( 1%) usr 0.00 ( 0%) sys 0.24 ( 1%) wall
315 kB ( 0%) ggc
tree find ref. vars : 0.07 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall
8937 kB ( 2%) ggc
tree PTA : 0.10 ( 0%) usr 0.00 ( 0%) sys 0.10 ( 0%) wall
758 kB ( 0%) ggc
tree alias analysis : 0.12 ( 0%) usr 0.05 ( 6%) sys 0.12 ( 0%) wall
77 kB ( 0%) ggc
tree call clobbering : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
18 kB ( 0%) ggc
tree flow sensitive alias: 0.02 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall
121 kB ( 0%) ggc
tree flow insensitive alias: 0.02 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%)
wall 0 kB ( 0%) ggc
tree memory partitioning: 0.00 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
21 kB ( 0%) ggc
tree PHI insertion : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
201 kB ( 0%) ggc
tree SSA rewrite : 0.17 ( 1%) usr 0.01 ( 1%) sys 0.13 ( 1%) wall
19668 kB ( 4%) ggc
tree SSA other : 0.11 ( 0%) usr 0.03 ( 4%) sys 0.18 ( 1%) wall
360 kB ( 0%) ggc
tree SSA incremental : 0.24 ( 1%) usr 0.02 ( 3%) sys 0.25 ( 1%) wall
40 kB ( 0%) ggc
tree operand scan : 0.36 ( 1%) usr 0.15 (19%) sys 0.58 ( 2%) wall
27070 kB ( 5%) ggc
dominator optimization: 0.26 ( 1%) usr 0.00 ( 0%) sys 0.14 ( 1%) wall
2270 kB ( 0%) ggc
tree SRA : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
0 kB ( 0%) ggc
tree CCP : 0.33 ( 1%) usr 0.01 ( 1%) sys 0.24 ( 1%) wall
4060 kB ( 1%) ggc
tree reassociation : 0.06 ( 0%) usr 0.00 ( 0%) sys 0.10 ( 0%) wall
124 kB ( 0%) ggc
tree PRE : 5.18 (21%) usr 0.05 ( 6%) sys 5.07 (20%) wall
87699 kB (16%) ggc
tree FRE : 0.51 ( 2%) usr 0.00 ( 0%) sys 0.55 ( 2%) wall
7664 kB ( 1%) ggc
tree code sinking : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall
75 kB ( 0%) ggc
tree linearize phis : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
0 kB ( 0%) ggc
tree forward propagate: 0.11 ( 0%) usr 0.02 ( 3%) sys 0.11 ( 0%) wall
11274 kB ( 2%) ggc
tree phiprop : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
0 kB ( 0%) ggc
tree conservative DCE : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.08 ( 0%) wall
2 kB ( 0%) ggc
tree aggressive DCE : 0.06 ( 0%) usr 0.00 ( 0%) sys 0.07 ( 0%) wall
5 kB ( 0%) ggc
tree DSE : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.05 ( 0%) wall
65 kB ( 0%) ggc
tree loop bounds : 0.23 ( 1%) usr 0.00 ( 0%) sys 0.11 ( 0%) wall
5701 kB ( 1%) ggc
loop invariant motion : 0.05 ( 0%) usr 0.00 ( 0%) sys 0.15 ( 1%) wall
0 kB ( 0%) ggc
tree canonical iv : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
23 kB ( 0%) ggc
scev constant prop : 0.08 ( 0%) usr 0.00 ( 0%) sys 0.12 ( 0%) wall
520 kB ( 0%) ggc
tree loop unswitching : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.06 ( 0%) wall
0 kB ( 0%) ggc
complete unrolling : 0.09 ( 0%) usr 0.00 ( 0%) sys 0.06 ( 0%) wall
1121 kB ( 0%) ggc
tree iv optimization : 2.30 (10%) usr 0.01 ( 1%) sys 2.33 ( 9%) wall
34677 kB ( 6%) ggc
predictive commoning : 0.94 ( 4%) usr 0.02 ( 3%) sys 1.00 ( 4%) wall
42843 kB ( 8%) ggc
tree loop init : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
232 kB ( 0%) ggc
tree SSA uncprop : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
0 kB ( 0%) ggc
tree SSA to normal : 0.11 ( 0%) usr 0.02 ( 3%) sys 0.22 ( 1%) wall
17790 kB ( 3%) ggc
tree rename SSA copies: 0.06 ( 0%) usr 0.00 ( 0%) sys 0.06 ( 0%) wall
0 kB ( 0%) ggc
dominance frontiers : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
0 kB ( 0%) ggc
dominance computation : 0.11 ( 0%) usr 0.00 ( 0%) sys 0.07 ( 0%) wall
0 kB ( 0%) ggc
control dependences : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
0 kB ( 0%) ggc
expand : 0.87 ( 4%) usr 0.01 ( 1%) sys 0.89 ( 4%) wall
27910 kB ( 5%) ggc
forward prop : 0.05 ( 0%) usr 0.00 ( 0%) sys 0.07 ( 0%) wall
3922 kB ( 1%) ggc
CSE : 0.53 ( 2%) usr 0.01 ( 1%) sys 0.65 ( 3%) wall
639 kB ( 0%) ggc
dead code elimination : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall
0 kB ( 0%) ggc
dead store elim1 : 0.11 ( 0%) usr 0.00 ( 0%) sys 0.08 ( 0%) wall
2892 kB ( 1%) ggc
dead store elim2 : 0.07 ( 0%) usr 0.00 ( 0%) sys 0.11 ( 0%) wall
2730 kB ( 1%) ggc
loop analysis : 0.03 ( 0%) usr 0.01 ( 1%) sys 0.04 ( 0%) wall
389 kB ( 0%) ggc
CPROP 1 : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
430 kB ( 0%) ggc
PRE : 0.08 ( 0%) usr 0.01 ( 1%) sys 0.11 ( 0%) wall
15 kB ( 0%) ggc
CPROP 2 : 0.07 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
1014 kB ( 0%) ggc
bypass jumps : 0.07 ( 0%) usr 0.00 ( 0%) sys 0.07 ( 0%) wall
1039 kB ( 0%) ggc
web : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
14 kB ( 0%) ggc
CSE 2 : 0.20 ( 1%) usr 0.00 ( 0%) sys 0.25 ( 1%) wall
228 kB ( 0%) ggc
branch prediction : 0.14 ( 1%) usr 0.00 ( 0%) sys 0.12 ( 0%) wall
4586 kB ( 1%) ggc
combiner : 0.79 ( 3%) usr 0.01 ( 1%) sys 0.78 ( 3%) wall
15629 kB ( 3%) ggc
if-conversion : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
140 kB ( 0%) ggc
regmove : 0.11 ( 0%) usr 0.00 ( 0%) sys 0.08 ( 0%) wall
0 kB ( 0%) ggc
integrated RA : 0.81 ( 3%) usr 0.00 ( 0%) sys 1.02 ( 4%) wall
2360 kB ( 0%) ggc
reload : 0.57 ( 2%) usr 0.00 ( 0%) sys 0.43 ( 2%) wall
2090 kB ( 0%) ggc
reload CSE regs : 0.39 ( 2%) usr 0.01 ( 1%) sys 0.43 ( 2%) wall
4804 kB ( 1%) ggc
load CSE after reload : 0.06 ( 0%) usr 0.00 ( 0%) sys 0.11 ( 0%) wall
31 kB ( 0%) ggc
thread pro- & epilogue: 0.02 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
451 kB ( 0%) ggc
if-conversion 2 : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
59 kB ( 0%) ggc
peephole 2 : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall
81 kB ( 0%) ggc
rename registers : 0.35 ( 1%) usr 0.00 ( 0%) sys 0.36 ( 1%) wall
379 kB ( 0%) ggc
scheduling 2 : 0.51 ( 2%) usr 0.00 ( 0%) sys 0.56 ( 2%) wall
342 kB ( 0%) ggc
machine dep reorg : 0.05 ( 0%) usr 0.00 ( 0%) sys 0.09 ( 0%) wall
2 kB ( 0%) ggc
reorder blocks : 0.05 ( 0%) usr 0.00 ( 0%) sys 0.08 ( 0%) wall
129 kB ( 0%) ggc
final : 0.16 ( 1%) usr 0.03 ( 4%) sys 0.23 ( 1%) wall
745 kB ( 0%) ggc
symout : 0.04 ( 0%) usr 0.01 ( 1%) sys 0.04 ( 0%) wall
3436 kB ( 1%) ggc
variable tracking : 0.09 ( 0%) usr 0.00 ( 0%) sys 0.10 ( 0%) wall
1278 kB ( 0%) ggc
TOTAL : 24.14 0.77 24.91
537367 kB
/data03/vondele/gcc_4_4_branch/build/lib/gcc/x86_64-unknown-linux-gnu/4.4.2/libgfortranbegin.a(fmain.o):
In function `main':
/data03/vondele/gcc_4_4_branch/gcc/libgfortran/fmain.c:21: undefined reference
to `MAIN__'
collect2: ld returned 1 exit status
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627
^ permalink raw reply [flat|nested] 26+ messages in thread* [Bug tree-optimization/43627] [4.5 Regression] slow compilation (tree canonical iv )
2010-04-02 8:14 [Bug tree-optimization/43627] New: [4.5 Regression] slow compilation jv244 at cam dot ac dot uk
` (4 preceding siblings ...)
2010-04-02 9:27 ` jv244 at cam dot ac dot uk
@ 2010-04-02 9:47 ` jv244 at cam dot ac dot uk
2010-04-02 10:25 ` [Bug tree-optimization/43627] [4.5 Regression] slow compilation (tree canonical iv takes 75%) steven at gcc dot gnu dot org
` (18 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: jv244 at cam dot ac dot uk @ 2010-04-02 9:47 UTC (permalink / raw)
To: gcc-bugs
------- Comment #5 from jv244 at cam dot ac dot uk 2010-04-02 09:47 -------
(In reply to comment #3)
cows with cows now (i.e. --enable-checking=release), on an idle machine.
Execution times (seconds)
garbage collection : 0.29 ( 0%) usr 0.00 ( 0%) sys 0.31 ( 0%) wall
0 kB ( 0%) ggc
callgraph construction: 0.11 ( 0%) usr 0.01 ( 1%) sys 0.12 ( 0%) wall
5939 kB ( 1%) ggc
callgraph optimization: 0.29 ( 0%) usr 0.00 ( 0%) sys 0.25 ( 0%) wall
184 kB ( 0%) ggc
ipa cp : 0.10 ( 0%) usr 0.00 ( 0%) sys 0.10 ( 0%) wall
539 kB ( 0%) ggc
ipa reference : 0.07 ( 0%) usr 0.00 ( 0%) sys 0.08 ( 0%) wall
0 kB ( 0%) ggc
ipa pure const : 0.09 ( 0%) usr 0.00 ( 0%) sys 0.14 ( 0%) wall
0 kB ( 0%) ggc
cfg cleanup : 0.67 ( 0%) usr 0.00 ( 0%) sys 0.83 ( 0%) wall
3661 kB ( 1%) ggc
trivially dead code : 0.21 ( 0%) usr 0.00 ( 0%) sys 0.17 ( 0%) wall
0 kB ( 0%) ggc
df multiple defs : 0.35 ( 0%) usr 0.00 ( 0%) sys 0.36 ( 0%) wall
0 kB ( 0%) ggc
df reaching defs : 0.69 ( 0%) usr 0.00 ( 0%) sys 0.65 ( 0%) wall
0 kB ( 0%) ggc
df live regs : 3.08 ( 1%) usr 0.00 ( 0%) sys 3.07 ( 1%) wall
0 kB ( 0%) ggc
df live&initialized regs: 1.17 ( 0%) usr 0.00 ( 0%) sys 1.07 ( 0%) wall
0 kB ( 0%) ggc
df use-def / def-use chains: 0.53 ( 0%) usr 0.00 ( 0%) sys 0.35 ( 0%)
wall 0 kB ( 0%) ggc
df reg dead/unused notes: 2.50 ( 1%) usr 0.00 ( 0%) sys 2.73 ( 1%) wall
9314 kB ( 1%) ggc
register information : 1.05 ( 0%) usr 0.00 ( 0%) sys 0.84 ( 0%) wall
0 kB ( 0%) ggc
alias analysis : 0.58 ( 0%) usr 0.00 ( 0%) sys 0.61 ( 0%) wall
21770 kB ( 3%) ggc
alias stmt walking : 1.29 ( 0%) usr 0.04 ( 4%) sys 1.36 ( 0%) wall
0 kB ( 0%) ggc
register scan : 0.09 ( 0%) usr 0.00 ( 0%) sys 0.10 ( 0%) wall
0 kB ( 0%) ggc
rebuild jump labels : 0.21 ( 0%) usr 0.00 ( 0%) sys 0.25 ( 0%) wall
0 kB ( 0%) ggc
parser : 1.15 ( 0%) usr 0.12 (11%) sys 1.26 ( 0%) wall
42200 kB ( 6%) ggc
inline heuristics : 0.24 ( 0%) usr 0.01 ( 1%) sys 0.24 ( 0%) wall
0 kB ( 0%) ggc
tree gimplify : 0.43 ( 0%) usr 0.05 ( 4%) sys 0.47 ( 0%) wall
52375 kB ( 8%) ggc
tree eh : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
0 kB ( 0%) ggc
tree CFG construction : 0.06 ( 0%) usr 0.00 ( 0%) sys 0.07 ( 0%) wall
9418 kB ( 1%) ggc
tree CFG cleanup : 0.27 ( 0%) usr 0.00 ( 0%) sys 0.46 ( 0%) wall
418 kB ( 0%) ggc
tree VRP : 1.57 ( 1%) usr 0.06 ( 5%) sys 1.60 ( 1%) wall
54731 kB ( 8%) ggc
tree copy propagation : 0.20 ( 0%) usr 0.00 ( 0%) sys 0.29 ( 0%) wall
237 kB ( 0%) ggc
tree find ref. vars : 0.03 ( 0%) usr 0.01 ( 1%) sys 0.10 ( 0%) wall
3774 kB ( 1%) ggc
tree PTA : 0.16 ( 0%) usr 0.00 ( 0%) sys 0.08 ( 0%) wall
423 kB ( 0%) ggc
tree PHI insertion : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
315 kB ( 0%) ggc
tree SSA rewrite : 0.24 ( 0%) usr 0.02 ( 2%) sys 0.19 ( 0%) wall
20682 kB ( 3%) ggc
tree SSA other : 0.10 ( 0%) usr 0.04 ( 4%) sys 0.19 ( 0%) wall
434 kB ( 0%) ggc
tree SSA incremental : 0.56 ( 0%) usr 0.02 ( 2%) sys 0.66 ( 0%) wall
438 kB ( 0%) ggc
tree operand scan : 0.21 ( 0%) usr 0.20 (18%) sys 0.42 ( 0%) wall
21791 kB ( 3%) ggc
dominator optimization: 0.35 ( 0%) usr 0.01 ( 1%) sys 0.36 ( 0%) wall
4189 kB ( 1%) ggc
tree SRA : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
0 kB ( 0%) ggc
tree CCP : 0.49 ( 0%) usr 0.00 ( 0%) sys 0.34 ( 0%) wall
3081 kB ( 0%) ggc
tree PHI const/copy prop: 0.02 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
22 kB ( 0%) ggc
tree split crit edges : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
3265 kB ( 0%) ggc
tree reassociation : 0.12 ( 0%) usr 0.01 ( 1%) sys 0.11 ( 0%) wall
161 kB ( 0%) ggc
tree PRE : 4.88 ( 2%) usr 0.00 ( 0%) sys 4.89 ( 2%) wall
25200 kB ( 4%) ggc
tree FRE : 0.65 ( 0%) usr 0.02 ( 2%) sys 0.67 ( 0%) wall
8099 kB ( 1%) ggc
tree code sinking : 0.16 ( 0%) usr 0.05 ( 4%) sys 0.17 ( 0%) wall
12275 kB ( 2%) ggc
tree linearize phis : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall
0 kB ( 0%) ggc
tree forward propagate: 0.14 ( 0%) usr 0.00 ( 0%) sys 0.17 ( 0%) wall
9572 kB ( 1%) ggc
tree phiprop : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
0 kB ( 0%) ggc
tree conservative DCE : 0.21 ( 0%) usr 0.03 ( 3%) sys 0.15 ( 0%) wall
17 kB ( 0%) ggc
tree aggressive DCE : 0.16 ( 0%) usr 0.00 ( 0%) sys 0.16 ( 0%) wall
2998 kB ( 0%) ggc
tree DSE : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.06 ( 0%) wall
26 kB ( 0%) ggc
PHI merge : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
5 kB ( 0%) ggc
tree loop bounds : 0.11 ( 0%) usr 0.00 ( 0%) sys 0.19 ( 0%) wall
6263 kB ( 1%) ggc
tree loop invariant motion: 0.19 ( 0%) usr 0.01 ( 1%) sys 0.19 ( 0%)
wall 497 kB ( 0%) ggc
tree canonical iv : 223.30 (75%) usr 0.01 ( 1%) sys 223.28 (75%) wall
21873 kB ( 3%) ggc
scev constant prop : 0.05 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall
5809 kB ( 1%) ggc
tree loop unswitching : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
0 kB ( 0%) ggc
complete unrolling : 0.06 ( 0%) usr 0.00 ( 0%) sys 0.06 ( 0%) wall
1123 kB ( 0%) ggc
tree slp vectorization: 0.38 ( 0%) usr 0.00 ( 0%) sys 0.31 ( 0%) wall
19328 kB ( 3%) ggc
tree iv optimization : 0.39 ( 0%) usr 0.00 ( 0%) sys 0.47 ( 0%) wall
13309 kB ( 2%) ggc
predictive commoning : 1.13 ( 0%) usr 0.01 ( 1%) sys 1.17 ( 0%) wall
40528 kB ( 6%) ggc
tree loop init : 0.13 ( 0%) usr 0.01 ( 1%) sys 0.07 ( 0%) wall
5208 kB ( 1%) ggc
tree copy headers : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall
758 kB ( 0%) ggc
tree SSA uncprop : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
0 kB ( 0%) ggc
tree rename SSA copies: 0.08 ( 0%) usr 0.00 ( 0%) sys 0.07 ( 0%) wall
0 kB ( 0%) ggc
dominance frontiers : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.07 ( 0%) wall
0 kB ( 0%) ggc
dominance computation : 0.26 ( 0%) usr 0.00 ( 0%) sys 0.21 ( 0%) wall
0 kB ( 0%) ggc
control dependences : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
0 kB ( 0%) ggc
expand : 2.97 ( 1%) usr 0.04 ( 4%) sys 3.11 ( 1%) wall
76883 kB (11%) ggc
lower subreg : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall
0 kB ( 0%) ggc
forward prop : 0.89 ( 0%) usr 0.00 ( 0%) sys 0.85 ( 0%) wall
6749 kB ( 1%) ggc
CSE : 1.46 ( 0%) usr 0.01 ( 1%) sys 1.51 ( 1%) wall
1369 kB ( 0%) ggc
dead code elimination : 0.45 ( 0%) usr 0.00 ( 0%) sys 0.43 ( 0%) wall
0 kB ( 0%) ggc
dead store elim1 : 0.60 ( 0%) usr 0.00 ( 0%) sys 0.44 ( 0%) wall
5337 kB ( 1%) ggc
dead store elim2 : 0.48 ( 0%) usr 0.00 ( 0%) sys 0.42 ( 0%) wall
6072 kB ( 1%) ggc
loop invariant motion : 0.06 ( 0%) usr 0.00 ( 0%) sys 0.09 ( 0%) wall
1 kB ( 0%) ggc
loop unswitching : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.05 ( 0%) wall
0 kB ( 0%) ggc
loop unrolling : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
190 kB ( 0%) ggc
CPROP : 0.84 ( 0%) usr 0.02 ( 2%) sys 0.81 ( 0%) wall
7746 kB ( 1%) ggc
PRE : 0.22 ( 0%) usr 0.00 ( 0%) sys 0.35 ( 0%) wall
777 kB ( 0%) ggc
web : 0.16 ( 0%) usr 0.00 ( 0%) sys 0.11 ( 0%) wall
16 kB ( 0%) ggc
CSE 2 : 1.42 ( 0%) usr 0.00 ( 0%) sys 1.54 ( 1%) wall
793 kB ( 0%) ggc
branch prediction : 0.16 ( 0%) usr 0.00 ( 0%) sys 0.10 ( 0%) wall
4053 kB ( 1%) ggc
combiner : 2.05 ( 1%) usr 0.02 ( 2%) sys 2.10 ( 1%) wall
26058 kB ( 4%) ggc
if-conversion : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall
130 kB ( 0%) ggc
regmove : 0.26 ( 0%) usr 0.00 ( 0%) sys 0.21 ( 0%) wall
4 kB ( 0%) ggc
integrated RA : 4.46 ( 1%) usr 0.00 ( 0%) sys 4.24 ( 1%) wall
8905 kB ( 1%) ggc
reload : 1.47 ( 0%) usr 0.00 ( 0%) sys 1.55 ( 1%) wall
1737 kB ( 0%) ggc
reload CSE regs : 0.73 ( 0%) usr 0.01 ( 1%) sys 0.76 ( 0%) wall
9904 kB ( 1%) ggc
load CSE after reload : 0.11 ( 0%) usr 0.00 ( 0%) sys 0.12 ( 0%) wall
0 kB ( 0%) ggc
thread pro- & epilogue: 0.09 ( 0%) usr 0.00 ( 0%) sys 0.15 ( 0%) wall
572 kB ( 0%) ggc
if-conversion 2 : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall
59 kB ( 0%) ggc
combine stack adjustments: 0.07 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall
0 kB ( 0%) ggc
peephole 2 : 0.22 ( 0%) usr 0.00 ( 0%) sys 0.30 ( 0%) wall
2057 kB ( 0%) ggc
rename registers : 0.48 ( 0%) usr 0.00 ( 0%) sys 0.50 ( 0%) wall
701 kB ( 0%) ggc
hard reg cprop : 0.29 ( 0%) usr 0.00 ( 0%) sys 0.35 ( 0%) wall
35 kB ( 0%) ggc
scheduling 2 : 1.42 ( 0%) usr 0.00 ( 0%) sys 1.42 ( 0%) wall
222 kB ( 0%) ggc
machine dep reorg : 0.24 ( 0%) usr 0.00 ( 0%) sys 0.23 ( 0%) wall
0 kB ( 0%) ggc
reorder blocks : 0.12 ( 0%) usr 0.00 ( 0%) sys 0.09 ( 0%) wall
2144 kB ( 0%) ggc
final : 0.56 ( 0%) usr 0.06 ( 5%) sys 0.76 ( 0%) wall
5904 kB ( 1%) ggc
symout : 0.39 ( 0%) usr 0.06 ( 5%) sys 0.44 ( 0%) wall
50781 kB ( 7%) ggc
variable tracking : 23.48 ( 8%) usr 0.17 (15%) sys 23.48 ( 8%) wall
38556 kB ( 6%) ggc
plugin execution : 0.02 ( 0%) usr 0.01 ( 1%) sys 0.03 ( 0%) wall
0 kB ( 0%) ggc
TOTAL : 298.36 1.14 299.51
690347 kB
COLLECT_GCC_OPTIONS='-v' '-ftime-report' '-fbounds-check' '-g' '-O3'
'-ffast-math' '-funroll-loops' '-ftree-vectorize' '-c'
as -V -Qy --64 -o hog.o /tmp/cclB9I15.s
GNU assembler version 2.18.50 (x86_64-suse-linux) using BFD version (GNU
Binutils; openSUSE 11.0) 2.18.50.20080409-11.1
COMPILER_PATH=/data03/vondele/gcc_trunk/build/libexec/gcc/x86_64-unknown-linux-gnu/4.5.0/:/data03/vondele/gcc_trunk/build/libexec/gcc/x86_64-unknown-linux-gnu/4.5.0/:/data03/vondele/gcc_trunk/build/libexec/gcc/x86_64-unknown-linux-gnu/:/data03/vondele/gcc_trunk/build/lib/gcc/x86_64-unknown-linux-gnu/4.5.0/:/data03/vondele/gcc_trunk/build/lib/gcc/x86_64-unknown-linux-gnu/
LIBRARY_PATH=/data03/vondele/gcc_trunk/build/lib/gcc/x86_64-unknown-linux-gnu/4.5.0/:/data03/vondele/gcc_trunk/build/lib/gcc/x86_64-unknown-linux-gnu/4.5.0/../../../../lib64/:/lib/../lib64/:/usr/lib/../lib64/:/data03/vondele/gcc_trunk/build/lib/gcc/x86_64-unknown-linux-gnu/4.5.0/../../../:/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-v' '-ftime-report' '-fbounds-check' '-g' '-O3'
'-ffast-math' '-funroll-loops' '-ftree-vectorize' '-c'
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627
^ permalink raw reply [flat|nested] 26+ messages in thread* [Bug tree-optimization/43627] [4.5 Regression] slow compilation (tree canonical iv takes 75%)
2010-04-02 8:14 [Bug tree-optimization/43627] New: [4.5 Regression] slow compilation jv244 at cam dot ac dot uk
` (5 preceding siblings ...)
2010-04-02 9:47 ` jv244 at cam dot ac dot uk
@ 2010-04-02 10:25 ` steven at gcc dot gnu dot org
2010-04-02 12:19 ` rguenth at gcc dot gnu dot org
` (17 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: steven at gcc dot gnu dot org @ 2010-04-02 10:25 UTC (permalink / raw)
To: gcc-bugs
--
steven at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |rguenth at gcc dot gnu dot
| |org
Status|WAITING |NEW
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2010-04-02 10:25:15
date| |
Summary|[4.5 Regression] slow |[4.5 Regression] slow
|compilation (tree canonical |compilation (tree canonical
|iv ) |iv takes 75%)
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627
^ permalink raw reply [flat|nested] 26+ messages in thread* [Bug tree-optimization/43627] [4.5 Regression] slow compilation (tree canonical iv takes 75%)
2010-04-02 8:14 [Bug tree-optimization/43627] New: [4.5 Regression] slow compilation jv244 at cam dot ac dot uk
` (6 preceding siblings ...)
2010-04-02 10:25 ` [Bug tree-optimization/43627] [4.5 Regression] slow compilation (tree canonical iv takes 75%) steven at gcc dot gnu dot org
@ 2010-04-02 12:19 ` rguenth at gcc dot gnu dot org
2010-04-02 12:29 ` jv244 at cam dot ac dot uk
` (16 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2010-04-02 12:19 UTC (permalink / raw)
To: gcc-bugs
------- Comment #6 from rguenth at gcc dot gnu dot org 2010-04-02 12:19 -------
The issue is for certain the many manually unrolled loops and possibly the
new autoinc code.
What's your native arch? I can't reproduce this on a core i?86.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627
^ permalink raw reply [flat|nested] 26+ messages in thread* [Bug tree-optimization/43627] [4.5 Regression] slow compilation (tree canonical iv takes 75%)
2010-04-02 8:14 [Bug tree-optimization/43627] New: [4.5 Regression] slow compilation jv244 at cam dot ac dot uk
` (7 preceding siblings ...)
2010-04-02 12:19 ` rguenth at gcc dot gnu dot org
@ 2010-04-02 12:29 ` jv244 at cam dot ac dot uk
2010-04-02 14:07 ` jv244 at cam dot ac dot uk
` (15 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: jv244 at cam dot ac dot uk @ 2010-04-02 12:29 UTC (permalink / raw)
To: gcc-bugs
------- Comment #7 from jv244 at cam dot ac dot uk 2010-04-02 12:28 -------
(In reply to comment #6)
> What's your native arch? I can't reproduce this on a core i?86.
-v output:
/data03/vondele/gcc_trunk/build/libexec/gcc/x86_64-unknown-linux-gnu/4.5.0/f951
hog.f90 -march=k8-sse3 -mcx16 -msahf --param l1-cache-size=64 --param
l1-cache-line-size=64 --param l2-cache-size=1024 -mtune=k8 -quiet -dumpbase
hog.f90 -auxbase hog -g -O3 -version -fbounds-check -ffast-math -funroll-loops
-ftree-vectorize -fintrinsic-modules-path
/data03/vondele/gcc_trunk/build/lib/gcc/x86_64-unknown-linux-gnu/4.5.0/finclude
-o /tmp/ccA2YvFn.s
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627
^ permalink raw reply [flat|nested] 26+ messages in thread* [Bug tree-optimization/43627] [4.5 Regression] slow compilation (tree canonical iv takes 75%)
2010-04-02 8:14 [Bug tree-optimization/43627] New: [4.5 Regression] slow compilation jv244 at cam dot ac dot uk
` (8 preceding siblings ...)
2010-04-02 12:29 ` jv244 at cam dot ac dot uk
@ 2010-04-02 14:07 ` jv244 at cam dot ac dot uk
2010-04-02 14:07 ` rguenth at gcc dot gnu dot org
` (14 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: jv244 at cam dot ac dot uk @ 2010-04-02 14:07 UTC (permalink / raw)
To: gcc-bugs
------- Comment #9 from jv244 at cam dot ac dot uk 2010-04-02 14:07 -------
Created an attachment (id=20290)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20290&action=view)
smaller testcase (needs 3s, 80% in tree canonical iv)
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627
^ permalink raw reply [flat|nested] 26+ messages in thread* [Bug tree-optimization/43627] [4.5 Regression] slow compilation (tree canonical iv takes 75%)
2010-04-02 8:14 [Bug tree-optimization/43627] New: [4.5 Regression] slow compilation jv244 at cam dot ac dot uk
` (9 preceding siblings ...)
2010-04-02 14:07 ` jv244 at cam dot ac dot uk
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From: rguenth at gcc dot gnu dot org @ 2010-04-02 14:07 UTC (permalink / raw)
To: gcc-bugs
------- Comment #8 from rguenth at gcc dot gnu dot org 2010-04-02 14:07 -------
Confirmed on x86_64-linux with -O2 -fbounds-check.
find_loop_niter_by_eval takes a lot of time in each of the ints2bits_*
routines because the loops have a lot of exits (due to -fbounds-check).
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
GCC target triplet| |x86_64-*-*
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627
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From: rguenth at gcc dot gnu dot org @ 2010-04-02 14:08 UTC (permalink / raw)
To: gcc-bugs
------- Comment #10 from rguenth at gcc dot gnu dot org 2010-04-02 14:08 -------
Created an attachment (id=20291)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20291&action=view)
reduced testcase
--
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From: rguenth at gcc dot gnu dot org @ 2010-04-02 14:13 UTC (permalink / raw)
To: gcc-bugs
------- Comment #11 from rguenth at gcc dot gnu dot org 2010-04-02 14:13 -------
Compared to 4.4 we no longer eliminate most of the bound checks in 4.5.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627
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From: jv244 at cam dot ac dot uk @ 2010-04-02 14:17 UTC (permalink / raw)
To: gcc-bugs
------- Comment #12 from jv244 at cam dot ac dot uk 2010-04-02 14:17 -------
(In reply to comment #9)
> Created an attachment (id=20290)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20290&action=view) [edit]
> smaller testcase (needs 3s, 80% in tree canonical iv)
from valgrind, I see some 13000000 cals to get_val_for / fold_binary_loc, for
the small testcase
--
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From: rguenth at gcc dot gnu dot org @ 2010-04-02 14:23 UTC (permalink / raw)
To: gcc-bugs
------- Comment #13 from rguenth at gcc dot gnu dot org 2010-04-02 14:23 -------
Testcase for that:
MODULE hfx_compression_core_methods
IMPLICIT NONE
INTEGER, PARAMETER :: int_8=8
CONTAINS
SUBROUTINE ints2bits_3(Ndata,packed_data,full_data)
INTEGER, INTENT(IN) :: Ndata
INTEGER(KIND=int_8), INTENT(OUT) :: packed_data(*)
INTEGER(KIND=int_8), INTENT(IN) :: full_data(*)
INTEGER, PARAMETER :: Nbits = 3
INTEGER :: idata, ipack, kdata, Ndata_rep
INTEGER(KIND=int_8) :: data_tmp, pack_tmp
idata=0
ipack=0
Ndata_rep=(Ndata/2)*2
DO kdata=1,Ndata_rep,2
pack_tmp=0
idata=idata+1
data_tmp = full_data(idata)
data_tmp = ISHFT(data_tmp,61)
pack_tmp = IOR(pack_tmp,data_tmp)
pack_tmp = ISHFT(pack_tmp,-3)
idata=idata+1
data_tmp = full_data(idata)
data_tmp = ISHFT(data_tmp,61)
pack_tmp = IOR(pack_tmp,data_tmp)
pack_tmp = ISHFT(pack_tmp,0)
pack_tmp = ISHFT(pack_tmp,0)
ipack = ipack + 1
packed_data(ipack) = pack_tmp
ENDDO
END SUBROUTINE ints2bits_3
END MODULE hfx_compression_core_methods
likely caused by
2010-02-16 Richard Guenther <rguenther@suse.de>
PR tree-optimization/41043
* tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
(vrp_visit_assignment_or_call): Do not ask SCEV for regular
statements ...
(vrp_visit_phi_node): ... but only for loop PHI nodes.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |rguenth at gcc dot gnu dot
|dot org |org
Status|NEW |ASSIGNED
Last reconfirmed|2010-04-02 10:25:15 |2010-04-02 14:23:22
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627
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From: rguenth at gcc dot gnu dot org @ 2010-04-02 14:27 UTC (permalink / raw)
To: gcc-bugs
------- Comment #14 from rguenth at gcc dot gnu dot org 2010-04-02 14:26 -------
Interestingly it works on i?86 ...
--
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From: rguenth at gcc dot gnu dot org @ 2010-04-02 14:39 UTC (permalink / raw)
To: gcc-bugs
------- Comment #15 from rguenth at gcc dot gnu dot org 2010-04-02 14:39 -------
C testcase for the missed VRP, fails with long on x86_64 only, with
long long also on i?86:
extern void link_error (void) __attribute__((noreturn));
int n;
float *x;
int main()
{
if (n > 0)
{
int i = 0;
do
{
long index;
i = i + 1;
index = i;
if (index <= 0)
link_error ();
x[index] = 0;
i = i + 1;
index = i;
if (index <= 0)
link_error ();
x[index] = 0;
}
while (i < n);
}
}
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |missed-optimization
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627
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From: rguenth at gcc dot gnu dot org @ 2010-04-02 14:53 UTC (permalink / raw)
To: gcc-bugs
------- Comment #16 from rguenth at gcc dot gnu dot org 2010-04-02 14:53 -------
It's the strict-overflow stuff that cripples VRP again here. I have a kludge.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627
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From: rguenth at gcc dot gnu dot org @ 2010-04-02 15:10 UTC (permalink / raw)
To: gcc-bugs
------- Comment #17 from rguenth at gcc dot gnu dot org 2010-04-02 15:10 -------
Created an attachment (id=20292)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20292&action=view)
minimal patch
I'm testing this minimal patch.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627
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To: gcc-bugs
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P2
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627
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From: rguenth at gcc dot gnu dot org @ 2010-04-06 11:28 UTC (permalink / raw)
To: gcc-bugs
------- Comment #18 from rguenth at gcc dot gnu dot org 2010-04-06 11:21 -------
GCC 4.5.0 is being released. Deferring to 4.5.1.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.5.0 |4.5.1
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627
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From: rguenth at gcc dot gnu dot org @ 2010-04-06 12:33 UTC (permalink / raw)
To: gcc-bugs
------- Comment #19 from rguenth at gcc dot gnu dot org 2010-04-06 12:32 -------
Subject: Bug 43627
Author: rguenth
Date: Tue Apr 6 12:32:25 2010
New Revision: 157992
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157992
Log:
2010-04-06 Richard Guenther <rguenther@suse.de>
PR tree-optimization/43627
* tree-vrp.c (extract_range_from_unary_expr): Widenings
of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
not varying.
* gcc.dg/tree-ssa/vrp49.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp49.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vrp.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627
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2010-04-15 13:47 ` rguenth at gcc dot gnu dot org
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From: rguenth at gcc dot gnu dot org @ 2010-04-06 12:33 UTC (permalink / raw)
To: gcc-bugs
------- Comment #20 from rguenth at gcc dot gnu dot org 2010-04-06 12:33 -------
Fixed on trunk sofar. Queued for 4.5.1.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to fail| |4.5.0
Known to work| |4.4.3 4.6.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627
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From: rguenth at gcc dot gnu dot org @ 2010-04-15 13:47 UTC (permalink / raw)
To: gcc-bugs
------- Comment #22 from rguenth at gcc dot gnu dot org 2010-04-15 13:47 -------
Fixed.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Known to work|4.4.3 4.6.0 |4.4.3 4.5.1 4.6.0
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627
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From: rguenth at gcc dot gnu dot org @ 2010-04-15 13:47 UTC (permalink / raw)
To: gcc-bugs
------- Comment #21 from rguenth at gcc dot gnu dot org 2010-04-15 13:47 -------
Subject: Bug 43627
Author: rguenth
Date: Thu Apr 15 13:46:42 2010
New Revision: 158377
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=158377
Log:
2010-04-15 Richard Guenther <rguenther@suse.de>
PR tree-optimization/43627
* tree-vrp.c (extract_range_from_unary_expr): Widenings
of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
not varying.
* gcc.dg/tree-ssa/vrp49.c: New testcase.
Added:
branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/tree-ssa/vrp49.c
Modified:
branches/gcc-4_5-branch/gcc/ChangeLog
branches/gcc-4_5-branch/gcc/testsuite/ChangeLog
branches/gcc-4_5-branch/gcc/tree-vrp.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627
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