------- Comment #18 from jv244 at cam dot ac dot uk 2010-08-29 15:07 -------
FYI, these are the 4.5 branch timings:
Execution times (seconds)
garbage collection : 0.47 ( 1%) usr 0.00 ( 0%) sys 0.47 ( 1%) wall
0 kB ( 0%) ggc
callgraph construction: 0.05 ( 0%) usr 0.01 ( 1%) sys 0.09 ( 0%) wall
5996 kB ( 1%) ggc
callgraph optimization: 0.21 ( 0%) usr 0.02 ( 1%) sys 0.26 ( 0%) wall
606 kB ( 0%) ggc
ipa cp : 0.09 ( 0%) usr 0.00 ( 0%) sys 0.08 ( 0%) wall
1381 kB ( 0%) ggc
ipa reference : 0.06 ( 0%) usr 0.00 ( 0%) sys 0.06 ( 0%) wall
0 kB ( 0%) ggc
ipa pure const : 0.06 ( 0%) usr 0.01 ( 1%) sys 0.09 ( 0%) wall
0 kB ( 0%) ggc
cfg cleanup : 0.39 ( 1%) usr 0.00 ( 0%) sys 0.51 ( 1%) wall
2459 kB ( 0%) ggc
trivially dead code : 0.34 ( 1%) usr 0.00 ( 0%) sys 0.30 ( 1%) wall
0 kB ( 0%) ggc
df multiple defs : 0.08 ( 0%) usr 0.00 ( 0%) sys 0.13 ( 0%) wall
0 kB ( 0%) ggc
df reaching defs : 0.33 ( 1%) usr 0.00 ( 0%) sys 0.27 ( 1%) wall
0 kB ( 0%) ggc
df live regs : 2.08 ( 4%) usr 0.01 ( 1%) sys 2.19 ( 4%) wall
0 kB ( 0%) ggc
df live&initialized regs: 0.98 ( 2%) usr 0.00 ( 0%) sys 0.92 ( 2%) wall
0 kB ( 0%) ggc
df use-def / def-use chains: 0.24 ( 0%) usr 0.00 ( 0%) sys 0.19 ( 0%)
wall 0 kB ( 0%) ggc
df reg dead/unused notes: 0.93 ( 2%) usr 0.00 ( 0%) sys 1.04 ( 2%) wall
5756 kB ( 1%) ggc
register information : 0.51 ( 1%) usr 0.01 ( 1%) sys 0.39 ( 1%) wall
0 kB ( 0%) ggc
alias analysis : 0.78 ( 1%) usr 0.01 ( 1%) sys 0.91 ( 2%) wall
22384 kB ( 3%) ggc
alias stmt walking : 0.50 ( 1%) usr 0.03 ( 2%) sys 0.38 ( 1%) wall
5563 kB ( 1%) ggc
register scan : 0.13 ( 0%) usr 0.00 ( 0%) sys 0.09 ( 0%) wall
0 kB ( 0%) ggc
rebuild jump labels : 0.19 ( 0%) usr 0.00 ( 0%) sys 0.19 ( 0%) wall
0 kB ( 0%) ggc
parser : 0.82 ( 2%) usr 0.13 ( 9%) sys 0.94 ( 2%) wall
55603 kB ( 6%) ggc
inline heuristics : 0.20 ( 0%) usr 0.01 ( 1%) sys 0.16 ( 0%) wall
0 kB ( 0%) ggc
tree gimplify : 0.38 ( 1%) usr 0.03 ( 2%) sys 0.40 ( 1%) wall
46588 kB ( 5%) ggc
tree eh : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
0 kB ( 0%) ggc
tree CFG construction : 0.04 ( 0%) usr 0.02 ( 1%) sys 0.05 ( 0%) wall
11964 kB ( 1%) ggc
tree CFG cleanup : 0.47 ( 1%) usr 0.00 ( 0%) sys 0.79 ( 1%) wall
1829 kB ( 0%) ggc
tree VRP : 1.46 ( 3%) usr 0.05 ( 4%) sys 1.27 ( 2%) wall
56376 kB ( 6%) ggc
tree copy propagation : 0.09 ( 0%) usr 0.02 ( 1%) sys 0.22 ( 0%) wall
746 kB ( 0%) ggc
tree find ref. vars : 0.09 ( 0%) usr 0.01 ( 1%) sys 0.07 ( 0%) wall
3806 kB ( 0%) ggc
tree PTA : 0.30 ( 1%) usr 0.00 ( 0%) sys 0.33 ( 1%) wall
3836 kB ( 0%) ggc
tree PHI insertion : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall
3194 kB ( 0%) ggc
tree SSA rewrite : 0.24 ( 0%) usr 0.01 ( 1%) sys 0.29 ( 1%) wall
13860 kB ( 2%) ggc
tree SSA other : 0.13 ( 0%) usr 0.02 ( 1%) sys 0.11 ( 0%) wall
418 kB ( 0%) ggc
tree SSA incremental : 0.89 ( 2%) usr 0.06 ( 4%) sys 0.97 ( 2%) wall
6811 kB ( 1%) ggc
tree operand scan : 0.34 ( 1%) usr 0.23 (17%) sys 0.59 ( 1%) wall
44776 kB ( 5%) ggc
dominator optimization: 0.29 ( 1%) usr 0.01 ( 1%) sys 0.35 ( 1%) wall
5152 kB ( 1%) ggc
tree CCP : 0.51 ( 1%) usr 0.02 ( 1%) sys 0.43 ( 1%) wall
4620 kB ( 1%) ggc
tree PHI const/copy prop: 0.01 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
106 kB ( 0%) ggc
tree split crit edges : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
2019 kB ( 0%) ggc
tree reassociation : 0.12 ( 0%) usr 0.01 ( 1%) sys 0.12 ( 0%) wall
2946 kB ( 0%) ggc
tree PRE : 0.92 ( 2%) usr 0.00 ( 0%) sys 0.95 ( 2%) wall
7315 kB ( 1%) ggc
tree FRE : 0.45 ( 1%) usr 0.04 ( 3%) sys 0.35 ( 1%) wall
5518 kB ( 1%) ggc
tree code sinking : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall
1400 kB ( 0%) ggc
tree linearize phis : 0.02 ( 0%) usr 0.01 ( 1%) sys 0.01 ( 0%) wall
0 kB ( 0%) ggc
tree forward propagate: 0.18 ( 0%) usr 0.02 ( 1%) sys 0.16 ( 0%) wall
10006 kB ( 1%) ggc
tree conservative DCE : 0.05 ( 0%) usr 0.01 ( 1%) sys 0.13 ( 0%) wall
576 kB ( 0%) ggc
tree aggressive DCE : 0.28 ( 1%) usr 0.01 ( 1%) sys 0.37 ( 1%) wall
8853 kB ( 1%) ggc
tree buildin call DCE : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
0 kB ( 0%) ggc
tree DSE : 0.20 ( 0%) usr 0.00 ( 0%) sys 0.11 ( 0%) wall
132 kB ( 0%) ggc
PHI merge : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
37 kB ( 0%) ggc
tree loop bounds : 0.22 ( 0%) usr 0.00 ( 0%) sys 0.18 ( 0%) wall
8266 kB ( 1%) ggc
tree loop invariant motion: 0.06 ( 0%) usr 0.00 ( 0%) sys 0.08 ( 0%)
wall 67 kB ( 0%) ggc
tree canonical iv : 0.07 ( 0%) usr 0.00 ( 0%) sys 0.09 ( 0%) wall
4779 kB ( 1%) ggc
scev constant prop : 0.08 ( 0%) usr 0.00 ( 0%) sys 0.07 ( 0%) wall
2345 kB ( 0%) ggc
tree loop unswitching : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
573 kB ( 0%) ggc
complete unrolling : 1.05 ( 2%) usr 0.11 ( 8%) sys 1.39 ( 3%) wall
98553 kB (11%) ggc
tree vectorization : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
883 kB ( 0%) ggc
tree slp vectorization: 0.61 ( 1%) usr 0.00 ( 0%) sys 0.60 ( 1%) wall
53236 kB ( 6%) ggc
tree iv optimization : 5.80 (11%) usr 0.06 ( 4%) sys 5.94 (11%) wall
95356 kB (11%) ggc
predictive commoning : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall
1054 kB ( 0%) ggc
tree loop init : 0.05 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
1339 kB ( 0%) ggc
tree copy headers : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall
1613 kB ( 0%) ggc
tree SSA uncprop : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
0 kB ( 0%) ggc
tree rename SSA copies: 0.06 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall
0 kB ( 0%) ggc
dominance frontiers : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.05 ( 0%) wall
0 kB ( 0%) ggc
dominance computation : 0.23 ( 0%) usr 0.00 ( 0%) sys 0.26 ( 0%) wall
0 kB ( 0%) ggc
expand : 3.24 ( 6%) usr 0.07 ( 5%) sys 3.34 ( 6%) wall
69633 kB ( 8%) ggc
lower subreg : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
0 kB ( 0%) ggc
forward prop : 0.48 ( 1%) usr 0.01 ( 1%) sys 0.48 ( 1%) wall
9984 kB ( 1%) ggc
CSE : 0.73 ( 1%) usr 0.00 ( 0%) sys 0.92 ( 2%) wall
248 kB ( 0%) ggc
dead code elimination : 0.24 ( 0%) usr 0.00 ( 0%) sys 0.28 ( 1%) wall
0 kB ( 0%) ggc
dead store elim1 : 0.33 ( 1%) usr 0.01 ( 1%) sys 0.32 ( 1%) wall
5987 kB ( 1%) ggc
dead store elim2 : 0.44 ( 1%) usr 0.02 ( 1%) sys 0.39 ( 1%) wall
7831 kB ( 1%) ggc
loop analysis : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
718 kB ( 0%) ggc
loop invariant motion : 0.05 ( 0%) usr 0.00 ( 0%) sys 0.07 ( 0%) wall
305 kB ( 0%) ggc
loop unswitching : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
0 kB ( 0%) ggc
loop unrolling : 0.65 ( 1%) usr 0.00 ( 0%) sys 0.62 ( 1%) wall
32780 kB ( 4%) ggc
CPROP : 0.70 ( 1%) usr 0.00 ( 0%) sys 0.60 ( 1%) wall
7825 kB ( 1%) ggc
PRE : 0.32 ( 1%) usr 0.00 ( 0%) sys 0.33 ( 1%) wall
719 kB ( 0%) ggc
web : 0.13 ( 0%) usr 0.00 ( 0%) sys 0.07 ( 0%) wall
594 kB ( 0%) ggc
CSE 2 : 0.75 ( 1%) usr 0.01 ( 1%) sys 0.60 ( 1%) wall
470 kB ( 0%) ggc
branch prediction : 0.19 ( 0%) usr 0.01 ( 1%) sys 0.14 ( 0%) wall
7344 kB ( 1%) ggc
combiner : 1.19 ( 2%) usr 0.01 ( 1%) sys 1.33 ( 2%) wall
19980 kB ( 2%) ggc
if-conversion : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall
746 kB ( 0%) ggc
regmove : 0.37 ( 1%) usr 0.01 ( 1%) sys 0.33 ( 1%) wall
0 kB ( 0%) ggc
integrated RA : 3.51 ( 7%) usr 0.01 ( 1%) sys 3.74 ( 7%) wall
12746 kB ( 1%) ggc
reload : 2.16 ( 4%) usr 0.02 ( 1%) sys 2.01 ( 4%) wall
7755 kB ( 1%) ggc
reload CSE regs : 1.38 ( 3%) usr 0.00 ( 0%) sys 1.26 ( 2%) wall
12331 kB ( 1%) ggc
load CSE after reload : 0.18 ( 0%) usr 0.00 ( 0%) sys 0.14 ( 0%) wall
162 kB ( 0%) ggc
thread pro- & epilogue: 0.11 ( 0%) usr 0.00 ( 0%) sys 0.12 ( 0%) wall
4370 kB ( 0%) ggc
if-conversion 2 : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
357 kB ( 0%) ggc
combine stack adjustments: 0.03 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
0 kB ( 0%) ggc
peephole 2 : 0.12 ( 0%) usr 0.00 ( 0%) sys 0.16 ( 0%) wall
1899 kB ( 0%) ggc
rename registers : 0.46 ( 1%) usr 0.00 ( 0%) sys 0.55 ( 1%) wall
2237 kB ( 0%) ggc
hard reg cprop : 0.37 ( 1%) usr 0.00 ( 0%) sys 0.48 ( 1%) wall
13 kB ( 0%) ggc
scheduling 2 : 3.30 ( 6%) usr 0.04 ( 3%) sys 3.10 ( 6%) wall
1216 kB ( 0%) ggc
machine dep reorg : 0.38 ( 1%) usr 0.00 ( 0%) sys 0.36 ( 1%) wall
11 kB ( 0%) ggc
reorder blocks : 0.15 ( 0%) usr 0.00 ( 0%) sys 0.13 ( 0%) wall
1283 kB ( 0%) ggc
final : 0.93 ( 2%) usr 0.07 ( 5%) sys 0.84 ( 2%) wall
6610 kB ( 1%) ggc
symout : 0.30 ( 1%) usr 0.03 ( 2%) sys 0.34 ( 1%) wall
27006 kB ( 3%) ggc
variable tracking : 3.86 ( 7%) usr 0.03 ( 2%) sys 3.99 ( 7%) wall
39804 kB ( 4%) ggc
plugin execution : 0.00 ( 0%) usr 0.01 ( 1%) sys 0.05 ( 0%) wall
0 kB ( 0%) ggc
rest of compilation : 0.00 ( 0%) usr 0.01 ( 1%) sys 0.00 ( 0%) wall
0 kB ( 0%) ggc
TOTAL : 52.50 1.37 53.88
893901 kB
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45422
