http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52147
Markus Trippelsdorf <markus at trippelsdorf dot de> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |markus at trippelsdorf dot
| |de
--- Comment #4 from Markus Trippelsdorf <markus at trippelsdorf dot de>
2012-02-07 10:51:09 UTC ---
perf record -g g++ -O2 -c /var/tmp/V8DerivedSources08.ii
with 4.7 shows:
# Overhead Command
8.78% cc1plus cc1plus [.] store_binding
|
--- store_binding
1.94% cc1plus libc-2.15.so [.] memset
|
--- memset
|
|--50.00%-- reload_cse_regs_1
|
|--25.00%-- ipcp_generate_summary
|
--24.99%-- inline_analyze_function
1.89% cc1plus cc1plus [.] gt_ggc_mx_lang_tree_node
|
--- gt_ggc_mx_lang_tree_node
1.86% cc1plus libc-2.15.so [.] _int_malloc
|
--- _int_malloc
1.73% cc1plus cc1plus [.] ggc_set_mark
|
--- ggc_set_mark
1.36% cc1plus cc1plus [.] ggc_internal_alloc_stat
|
--- ggc_internal_alloc_stat
1.27% cc1plus cc1plus [.] htab_find_slot_with_hash
|
--- htab_find_slot_with_hash
|
--100.00%-- (nil)
1.24% cc1plus libc-2.15.so [.] _int_free
|
--- _int_free
|
--100.00%-- compute_may_aliases
1.07% cc1plus cc1plus [.] push_to_top_level
|
--- push_to_top_level
0.94% cc1plus cc1plus [.] bitmap_set_bit
|
--- bitmap_set_bit
|
|--22.22%-- 0x31cfaa8
|
|--22.22%-- (nil)
|
|--11.11%-- 0x2b260c8
|
|--11.11%-- 0x2b26308
|
|--11.11%-- 0x31d02b0
|
|--11.11%-- 0x2af1290
|
--11.11%-- 0x32067c8
0.87% cc1plus cc1plus [.] lookup_fnfields_idx_nolazy
|
--- lookup_fnfields_idx_nolazy
0.78% cc1plus cc1plus [.] add_function_candidate
|
--- add_function_candidate
0.77% as as [.] 0x2f5e5
...
