public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
* [Bug tree-optimization/18687] [4.3/4.4/4.5/4.6 Regression] >200% compile time regression compared to gcc-3.4
[not found] <bug-18687-4@http.gcc.gnu.org/bugzilla/>
@ 2011-01-08 16:14 ` hubicka at gcc dot gnu.org
2011-01-08 16:21 ` hubicka at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 5+ messages in thread
From: hubicka at gcc dot gnu.org @ 2011-01-08 16:14 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18687
Jan Hubicka <hubicka at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |hubicka at gcc dot gnu.org
Known to fail| |
--- Comment #52 from Jan Hubicka <hubicka at gcc dot gnu.org> 2011-01-08 16:02:07 UTC ---
hashes oprofile is as follows:
samples % app name symbol name
8237 2.9617 libc-2.11.1.so _int_malloc
6877 2.4727 cc1 bitmap_set_bit
5820 2.0927 cc1 htab_find_slot_with_hash
4238 1.5238 cc1 operand_equal_p
4233 1.5220 cc1 record_reg_classes.constprop.9
4069 1.4631 cc1 bitmap_bit_p
3780 1.3592 libc-2.11.1.so memset
3399 1.2222 cc1 nonzero_bits1
2992 1.0758 cc1 ggc_internal_alloc_stat
2516 0.9047 libc-2.11.1.so _int_free
2454 0.8824 as /usr/bin/as
2244 0.8069 cc1 fold_binary_loc
2229 0.8015 libc-2.11.1.so malloc
1909 0.6864 libc-2.11.1.so free
1857 0.6677 cc1 constrain_operands.part.12
1696 0.6098 cc1 is_gimple_reg
1688 0.6069 cc1 et_splay
1667 0.5994 cc1 note_stores
1632 0.5868 cc1 walk_tree_1
1585 0.5699 cc1 for_each_rtx_1
1577 0.5670 cc1 pool_alloc
1572 0.5652 cc1 tree_strip_nop_conversions
and the other testcase:
samples % image name app name symbol name
5195 5.1031 cc1 cc1
operand_equal_p
2848 2.7976 cc1 cc1
bitmap_set_bit
2080 2.0432 libc-2.11.1.so libc-2.11.1.so _int_malloc
1879 1.8458 cc1 cc1
htab_find_slot_with_hash
1432 1.4067 cc1 cc1
bitmap_bit_p
1298 1.2750 cc1 cc1
mem_attrs_htab_eq
1290 1.2672 cc1 cc1
record_reg_classes.constprop.9
1063 1.0442 cc1 cc1 walk_tree_1
1010 0.9921 cc1 cc1
tree_strip_nop_conversions
1004 0.9862 cc1 cc1
bitmap_ior_into
963 0.9460 libc-2.11.1.so libc-2.11.1.so memset
934 0.9175 cc1 cc1
df_worklist_dataflow
882 0.8664 cc1 cc1
mark_all_vars_used_1
806 0.7917 as as /usr/bin/as
795 0.7809 opreport opreport
/usr/bin/opreport
793 0.7790 cc1 cc1
ggc_internal_alloc_stat
784 0.7701 cc1 cc1
is_gimple_reg
732 0.7190 cc1 cc1
constrain_operands.part.12
701 0.6886 cc1 cc1
bitmap_ior_and_compl
672 0.6601 cc1 cc1 et_splay
650 0.6385 libc-2.11.1.so libc-2.11.1.so _int_free
612 0.6012 cc1 cc1
for_each_rtx_1
608 0.5972 libc-2.11.1.so libc-2.11.1.so memcpy
603 0.5923 libc-2.11.1.so libc-2.11.1.so malloc
596 0.5855 cc1 cc1
bitmap_elt_insert_after
581 0.5707 cc1 cc1
ix86_decompose_address
570 0.5599 cc1 cc1 bitmap_copy
568 0.5580 cc1 cc1 cse_insn
so apparently not much of surprise.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/18687] [4.3/4.4/4.5/4.6 Regression] >200% compile time regression compared to gcc-3.4
[not found] <bug-18687-4@http.gcc.gnu.org/bugzilla/>
2011-01-08 16:14 ` [Bug tree-optimization/18687] [4.3/4.4/4.5/4.6 Regression] >200% compile time regression compared to gcc-3.4 hubicka at gcc dot gnu.org
@ 2011-01-08 16:21 ` hubicka at gcc dot gnu.org
2011-01-18 14:28 ` [Bug tree-optimization/18687] " rguenth at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 5+ messages in thread
From: hubicka at gcc dot gnu.org @ 2011-01-08 16:21 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18687
--- Comment #53 from Jan Hubicka <hubicka at gcc dot gnu.org> 2011-01-08 16:10:38 UTC ---
Concerning Steven's comment, for infcode the time report is:
callgraph optimization: 0.07 ( 1%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall
139 kB ( 0%) ggc
cfg cleanup : 0.22 ( 2%) usr 0.00 ( 0%) sys 0.19 ( 2%) wall
2591 kB ( 1%) ggc
trivially dead code : 0.08 ( 1%) usr 0.00 ( 0%) sys 0.06 ( 1%) wall
0 kB ( 0%) ggc
df scan insns : 0.08 ( 1%) usr 0.00 ( 0%) sys 0.08 ( 1%) wall
11 kB ( 0%) ggc
df reaching defs : 0.09 ( 1%) usr 0.00 ( 0%) sys 0.14 ( 1%) wall
0 kB ( 0%) ggc
df live regs : 0.49 ( 4%) usr 0.00 ( 0%) sys 0.43 ( 4%) wall
0 kB ( 0%) ggc
df live&initialized regs: 0.37 ( 3%) usr 0.00 ( 0%) sys 0.44 ( 4%) wall
0 kB ( 0%) ggc
df use-def / def-use chains: 0.00 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%)
wall 0 kB ( 0%) ggc
df reg dead/unused notes: 0.16 ( 1%) usr 0.00 ( 0%) sys 0.12 ( 1%) wall
1805 kB ( 1%) ggc
register information : 0.06 ( 1%) usr 0.00 ( 0%) sys 0.05 ( 0%) wall
0 kB ( 0%) ggc
alias analysis : 0.14 ( 1%) usr 0.00 ( 0%) sys 0.12 ( 1%) wall
8010 kB ( 4%) ggc
alias stmt walking : 0.09 ( 1%) usr 0.02 ( 7%) sys 0.09 ( 1%) wall
268 kB ( 0%) ggc
parser : 0.16 ( 1%) usr 0.02 ( 7%) sys 0.20 ( 2%) wall
11320 kB ( 6%) ggc
tree gimplify : 0.15 ( 1%) usr 0.02 ( 7%) sys 0.15 ( 1%) wall
16123 kB ( 8%) ggc
tree CFG cleanup : 0.18 ( 2%) usr 0.01 ( 3%) sys 0.13 ( 1%) wall
881 kB ( 0%) ggc
tree VRP : 0.43 ( 4%) usr 0.02 ( 7%) sys 0.38 ( 3%) wall
20850 kB (10%) ggc
tree copy propagation : 0.06 ( 1%) usr 0.00 ( 0%) sys 0.14 ( 1%) wall
1638 kB ( 1%) ggc
tree PTA : 0.35 ( 3%) usr 0.00 ( 0%) sys 0.35 ( 3%) wall
331 kB ( 0%) ggc
tree SSA rewrite : 0.11 ( 1%) usr 0.01 ( 3%) sys 0.13 ( 1%) wall
6269 kB ( 3%) ggc
tree SSA incremental : 0.17 ( 1%) usr 0.01 ( 3%) sys 0.16 ( 1%) wall
1321 kB ( 1%) ggc
dominator optimization: 0.18 ( 2%) usr 0.00 ( 0%) sys 0.17 ( 1%) wall
5507 kB ( 3%) ggc
tree CCP : 0.19 ( 2%) usr 0.00 ( 0%) sys 0.10 ( 1%) wall
1065 kB ( 1%) ggc
tree reassociation : 0.06 ( 1%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall
1273 kB ( 1%) ggc
tree PRE : 0.52 ( 5%) usr 0.02 ( 7%) sys 0.65 ( 6%) wall
6675 kB ( 3%) ggc
tree FRE : 0.23 ( 2%) usr 0.02 ( 7%) sys 0.24 ( 2%) wall
801 kB ( 0%) ggc
tree forward propagate: 0.06 ( 1%) usr 0.00 ( 0%) sys 0.05 ( 0%) wall
751 kB ( 0%) ggc
tree aggressive DCE : 0.09 ( 1%) usr 0.00 ( 0%) sys 0.16 ( 1%) wall
2770 kB ( 1%) ggc
tree DSE : 0.06 ( 1%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall
34 kB ( 0%) ggc
scev constant prop : 0.06 ( 1%) usr 0.00 ( 0%) sys 0.05 ( 0%) wall
4368 kB ( 2%) ggc
tree iv optimization : 0.22 ( 2%) usr 0.02 ( 7%) sys 0.27 ( 2%) wall
18289 kB ( 9%) ggc
dominance computation : 0.07 ( 1%) usr 0.01 ( 3%) sys 0.08 ( 1%) wall
0 kB ( 0%) ggc
out of ssa : 0.08 ( 1%) usr 0.00 ( 0%) sys 0.13 ( 1%) wall
3 kB ( 0%) ggc
expand : 1.08 ( 9%) usr 0.00 ( 0%) sys 1.08 ( 9%) wall
17470 kB ( 9%) ggc
forward prop : 0.16 ( 1%) usr 0.00 ( 0%) sys 0.14 ( 1%) wall
2050 kB ( 1%) ggc
CSE : 0.36 ( 3%) usr 0.00 ( 0%) sys 0.30 ( 3%) wall
173 kB ( 0%) ggc
dead store elim1 : 0.10 ( 1%) usr 0.00 ( 0%) sys 0.11 ( 1%) wall
1638 kB ( 1%) ggc
dead store elim2 : 0.11 ( 1%) usr 0.00 ( 0%) sys 0.13 ( 1%) wall
1696 kB ( 1%) ggc
loop invariant motion : 0.07 ( 1%) usr 0.00 ( 0%) sys 0.10 ( 1%) wall
0 kB ( 0%) ggc
CPROP : 0.19 ( 2%) usr 0.00 ( 0%) sys 0.22 ( 2%) wall
2907 kB ( 1%) ggc
PRE : 0.08 ( 1%) usr 0.00 ( 0%) sys 0.09 ( 1%) wall
89 kB ( 0%) ggc
CSE 2 : 0.28 ( 2%) usr 0.00 ( 0%) sys 0.20 ( 2%) wall
118 kB ( 0%) ggc
combiner : 0.36 ( 3%) usr 0.00 ( 0%) sys 0.42 ( 4%) wall
7042 kB ( 3%) ggc
integrated RA : 0.56 ( 5%) usr 0.00 ( 0%) sys 0.52 ( 4%) wall
2972 kB ( 1%) ggc
reload : 0.30 ( 3%) usr 0.00 ( 0%) sys 0.34 ( 3%) wall
833 kB ( 0%) ggc
reload CSE regs : 0.27 ( 2%) usr 0.00 ( 0%) sys 0.29 ( 2%) wall
3270 kB ( 2%) ggc
hard reg cprop : 0.06 ( 1%) usr 0.00 ( 0%) sys 0.07 ( 1%) wall
21 kB ( 0%) ggc
scheduling 2 : 0.38 ( 3%) usr 0.00 ( 0%) sys 0.40 ( 3%) wall
211 kB ( 0%) ggc
reorder blocks : 0.07 ( 1%) usr 0.00 ( 0%) sys 0.08 ( 1%) wall
2178 kB ( 1%) ggc
final : 0.16 ( 1%) usr 0.01 ( 3%) sys 0.15 ( 1%) wall
99 kB ( 0%) ggc
rest of compilation : 0.27 ( 2%) usr 0.01 ( 3%) sys 0.23 ( 2%) wall
968 kB ( 0%) ggc
remove unused locals : 0.34 ( 3%) usr 0.00 ( 0%) sys 0.27 ( 2%) wall
0 kB ( 0%) ggc
TOTAL : 11.46 0.30 11.77
201495 kB
so IRA, expand, VRP and DF is still slow despite the fix in accounting vars.
For hashes:
ipa pure const : 0.09 ( 1%) usr 0.00 ( 0%) sys 0.12 ( 2%) wall
4617 kB ( 3%) ggc
cfg cleanup : 0.10 ( 1%) usr 0.00 ( 0%) sys 0.13 ( 2%) wall
860 kB ( 1%) ggc
df scan insns : 0.04 ( 1%) usr 0.00 ( 0%) sys 0.05 ( 1%) wall
32 kB ( 0%) ggc
df reaching defs : 0.07 ( 1%) usr 0.00 ( 0%) sys 0.04 ( 1%) wall
0 kB ( 0%) ggc
df live regs : 0.15 ( 2%) usr 0.00 ( 0%) sys 0.11 ( 2%) wall
0 kB ( 0%) ggc
df live&initialized regs: 0.04 ( 1%) usr 0.00 ( 0%) sys 0.06 ( 1%) wall
0 kB ( 0%) ggc
df reg dead/unused notes: 0.15 ( 2%) usr 0.00 ( 0%) sys 0.12 ( 2%) wall
1856 kB ( 1%) ggc
alias analysis : 0.09 ( 1%) usr 0.00 ( 0%) sys 0.16 ( 2%) wall
8517 kB ( 5%) ggc
parser : 0.07 ( 1%) usr 0.03 (12%) sys 0.11 ( 2%) wall
5992 kB ( 4%) ggc
tree gimplify : 0.08 ( 1%) usr 0.01 ( 4%) sys 0.07 ( 1%) wall
9748 kB ( 6%) ggc
tree CFG cleanup : 0.08 ( 1%) usr 0.00 ( 0%) sys 0.12 ( 2%) wall
489 kB ( 0%) ggc
tree VRP : 0.19 ( 3%) usr 0.01 ( 4%) sys 0.21 ( 3%) wall
8356 kB ( 5%) ggc
tree copy propagation : 0.06 ( 1%) usr 0.00 ( 0%) sys 0.09 ( 1%) wall
607 kB ( 0%) ggc
tree PTA : 0.29 ( 4%) usr 0.00 ( 0%) sys 0.29 ( 4%) wall
235 kB ( 0%) ggc
tree SSA rewrite : 0.05 ( 1%) usr 0.01 ( 4%) sys 0.04 ( 1%) wall
3867 kB ( 2%) ggc
tree SSA incremental : 0.06 ( 1%) usr 0.02 ( 8%) sys 0.03 ( 0%) wall
796 kB ( 0%) ggc
dominator optimization: 0.07 ( 1%) usr 0.00 ( 0%) sys 0.04 ( 1%) wall
2538 kB ( 2%) ggc
tree CCP : 0.19 ( 3%) usr 0.00 ( 0%) sys 0.22 ( 3%) wall
1652 kB ( 1%) ggc
tree PRE : 0.37 ( 5%) usr 0.02 ( 8%) sys 0.40 ( 6%) wall
12227 kB ( 7%) ggc
tree FRE : 0.15 ( 2%) usr 0.00 ( 0%) sys 0.15 ( 2%) wall
1216 kB ( 1%) ggc
tree code sinking : 0.04 ( 1%) usr 0.00 ( 0%) sys 0.06 ( 1%) wall
358 kB ( 0%) ggc
tree aggressive DCE : 0.06 ( 1%) usr 0.00 ( 0%) sys 0.12 ( 2%) wall
3531 kB ( 2%) ggc
tree loop invariant motion: 0.04 ( 1%) usr 0.00 ( 0%) sys 0.02 ( 0%)
wall 0 kB ( 0%) ggc
complete unrolling : 0.08 ( 1%) usr 0.00 ( 0%) sys 0.06 ( 1%) wall
2857 kB ( 2%) ggc
tree iv optimization : 0.47 ( 7%) usr 0.02 ( 8%) sys 0.45 ( 6%) wall
17694 kB (11%) ggc
dominance computation : 0.07 ( 1%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall
0 kB ( 0%) ggc
out of ssa : 0.04 ( 1%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
10 kB ( 0%) ggc
expand vars : 0.04 ( 1%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall
6220 kB ( 4%) ggc
expand : 0.23 ( 3%) usr 0.00 ( 0%) sys 0.24 ( 3%) wall
12120 kB ( 7%) ggc
forward prop : 0.04 ( 1%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall
1821 kB ( 1%) ggc
CSE : 0.10 ( 1%) usr 0.00 ( 0%) sys 0.16 ( 2%) wall
34 kB ( 0%) ggc
dead code elimination : 0.04 ( 1%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
0 kB ( 0%) ggc
dead store elim1 : 0.06 ( 1%) usr 0.00 ( 0%) sys 0.06 ( 1%) wall
829 kB ( 0%) ggc
CPROP : 0.23 ( 3%) usr 0.01 ( 4%) sys 0.18 ( 2%) wall
2085 kB ( 1%) ggc
PRE : 0.04 ( 1%) usr 0.00 ( 0%) sys 0.04 ( 1%) wall
0 kB ( 0%) ggc
CSE 2 : 0.07 ( 1%) usr 0.00 ( 0%) sys 0.06 ( 1%) wall
40 kB ( 0%) ggc
branch prediction : 0.09 ( 1%) usr 0.00 ( 0%) sys 0.06 ( 1%) wall
2878 kB ( 2%) ggc
combiner : 0.65 ( 9%) usr 0.01 ( 4%) sys 0.69 (10%) wall
14078 kB ( 8%) ggc
regmove : 0.06 ( 1%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
0 kB ( 0%) ggc
integrated RA : 0.51 ( 7%) usr 0.00 ( 0%) sys 0.50 ( 7%) wall
5209 kB ( 3%) ggc
reload : 0.19 ( 3%) usr 0.00 ( 0%) sys 0.26 ( 4%) wall
369 kB ( 0%) ggc
reload CSE regs : 0.20 ( 3%) usr 0.00 ( 0%) sys 0.15 ( 2%) wall
2212 kB ( 1%) ggc
scheduling 2 : 0.21 ( 3%) usr 0.01 ( 4%) sys 0.16 ( 2%) wall
141 kB ( 0%) ggc
machine dep reorg : 0.06 ( 1%) usr 0.00 ( 0%) sys 0.04 ( 1%) wall
38 kB ( 0%) ggc
reorder blocks : 0.09 ( 1%) usr 0.00 ( 0%) sys 0.04 ( 1%) wall
340 kB ( 0%) ggc
final : 0.04 ( 1%) usr 0.00 ( 0%) sys 0.05 ( 1%) wall
167 kB ( 0%) ggc
rest of compilation : 0.10 ( 1%) usr 0.02 ( 8%) sys 0.11 ( 2%) wall
1437 kB ( 1%) ggc
remove unused locals : 0.07 ( 1%) usr 0.01 ( 4%) sys 0.10 ( 1%) wall
0 kB ( 0%) ggc
unaccounted todo : 0.05 ( 1%) usr 0.01 ( 4%) sys 0.06 ( 1%) wall
0 kB ( 0%) ggc
TOTAL : 6.94 0.26 7.21
166488 kB
Here we now have ivopts, combiner and IRA showing top.
Steven, would be possible to have comparsion with 4.6 included?
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/18687] >200% compile time regression compared to gcc-3.4
[not found] <bug-18687-4@http.gcc.gnu.org/bugzilla/>
2011-01-08 16:14 ` [Bug tree-optimization/18687] [4.3/4.4/4.5/4.6 Regression] >200% compile time regression compared to gcc-3.4 hubicka at gcc dot gnu.org
2011-01-08 16:21 ` hubicka at gcc dot gnu.org
@ 2011-01-18 14:28 ` rguenth at gcc dot gnu.org
2012-05-27 23:14 ` steven at gcc dot gnu.org
2023-02-06 12:03 ` rguenth at gcc dot gnu.org
4 siblings, 0 replies; 5+ messages in thread
From: rguenth at gcc dot gnu.org @ 2011-01-18 14:28 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18687
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.3.6 |---
Summary|[4.3/4.4/4.5/4.6 |>200% compile time
|Regression] >200% compile |regression compared to
|time regression compared to |gcc-3.4
|gcc-3.4 |
Known to fail| |4.6.0
--- Comment #54 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-01-18 14:21:28 UTC ---
PR47344 now tracks the "regression" property of this bug.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/18687] >200% compile time regression compared to gcc-3.4
[not found] <bug-18687-4@http.gcc.gnu.org/bugzilla/>
` (2 preceding siblings ...)
2011-01-18 14:28 ` [Bug tree-optimization/18687] " rguenth at gcc dot gnu.org
@ 2012-05-27 23:14 ` steven at gcc dot gnu.org
2023-02-06 12:03 ` rguenth at gcc dot gnu.org
4 siblings, 0 replies; 5+ messages in thread
From: steven at gcc dot gnu.org @ 2012-05-27 23:14 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18687
Steven Bosscher <steven at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |steven at gcc dot gnu.org
--- Comment #55 from Steven Bosscher <steven at gcc dot gnu.org> 2012-05-27 23:11:06 UTC ---
Some new timings:
hashes.c -O0:
3.4.6 4.2.4 4.3.3 4.4.7 4.6.3
user 0.02076 0.02037 0.01972 0.02291 0.02286
sys 0.00383 0.00483 0.00468 0.00583 0.00568
hashes.c -O1:
3.4.6 4.2.4 4.3.3 4.4.7 4.6.3
user 0.0278 0.0472 0.0459 0.0539 0.0572
sys 0.0046 0.0055 0.0066 0.0075 0.0082
hashes.c -O2:
3.4.6 4.2.4 4.3.3 4.4.7 4.6.3
user 0.0452 0.0700 0.0744 0.0773 0.0842
sys 0.0047 0.0065 0.0060 0.0083 0.0086
infcodes.c -O0:
3.4.6 4.2.4 4.3.3 4.4.7 4.6.3
user 0.0374 0.0396 0.0421 0.0499 0.0490
sys 0.0046 0.0059 0.0065 0.0064 0.0071
infcodes.c -O1:
3.4.6 4.2.4 4.3.3 4.4.7 4.6.3
user 0.0481 0.0886 0.0821 0.0950 0.0849
sys 0.0046 0.0074 0.0066 0.0092 0.0070
infcodes.c -O2:
3.4.6 4.2.4 4.3.3 4.4.7 4.6.3
user 0.0745 0.1303 0.1306 0.1389 0.1354
sys 0.0054 0.0096 0.0096 0.0088 0.0091
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/18687] >200% compile time regression compared to gcc-3.4
[not found] <bug-18687-4@http.gcc.gnu.org/bugzilla/>
` (3 preceding siblings ...)
2012-05-27 23:14 ` steven at gcc dot gnu.org
@ 2023-02-06 12:03 ` rguenth at gcc dot gnu.org
4 siblings, 0 replies; 5+ messages in thread
From: rguenth at gcc dot gnu.org @ 2023-02-06 12:03 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=18687
--- Comment #56 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 12 now takes sub-second time for the larger testcases and with optimization
it's now early VRP taking most of the time.
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2023-02-06 12:03 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
[not found] <bug-18687-4@http.gcc.gnu.org/bugzilla/>
2011-01-08 16:14 ` [Bug tree-optimization/18687] [4.3/4.4/4.5/4.6 Regression] >200% compile time regression compared to gcc-3.4 hubicka at gcc dot gnu.org
2011-01-08 16:21 ` hubicka at gcc dot gnu.org
2011-01-18 14:28 ` [Bug tree-optimization/18687] " rguenth at gcc dot gnu.org
2012-05-27 23:14 ` steven at gcc dot gnu.org
2023-02-06 12:03 ` rguenth at gcc dot gnu.org
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).