[Bug other/64928] New: unreasonable cpu time and memory usage in "phase opt and generate" with -ftest-coverage -fprofile-arcs
lucier at math dot purdue.edu
gcc-bugzilla@gcc.gnu.org
Tue Feb 3 21:09:00 GMT 2015
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64928
Bug ID: 64928
Summary: unreasonable cpu time and memory usage in "phase opt
and generate" with -ftest-coverage -fprofile-arcs
Product: gcc
Version: 4.9.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: other
Assignee: unassigned at gcc dot gnu.org
Reporter: lucier at math dot purdue.edu
With this compiler:
firefly:~/Downloads/gambit/lib> /pkgs/gcc-4.9.2/bin/gcc -v
Using built-in specs.
COLLECT_GCC=/pkgs/gcc-4.9.2/bin/gcc
COLLECT_LTO_WRAPPER=/pkgs/gcc-4.9.2/libexec/gcc/x86_64-unknown-linux-gnu/4.9.2/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../../gcc-4.9.2/configure --prefix=/pkgs/gcc-4.9.2
Thread model: posix
gcc version 4.9.2 (GCC)
With this command:
/pkgs/gcc-4.9.2/bin/gcc -Q -save-temps -Wno-unused -Wno-write-strings -O1
-fno-math-errno -fschedule-insns2 -fno-strict-aliasing -fno-trapping-math
-fwrapv -fomit-frame-pointer -fPIC -fno-common -mieee-fp -fprofile-arcs
-ftest-coverage -I"../include" -c -o "_system.o" -I. -DHAVE_CONFIG_H
-D___GAMBCDIR="\"/usr/local/Gambit-C\"" -D___SYS_TYPE_CPU="\"x86_64\""
-D___SYS_TYPE_VENDOR="\"unknown\"" -D___SYS_TYPE_OS="\"linux-gnu\""
-D___CONFIGURE_COMMAND="\"./configure 'CC=/pkgs/gcc-4.9.2/bin/gcc -Q
-save-temps' '--enable-track-scheme' '--enable-coverage'"\"
-D___OBJ_EXTENSION="\".o\"" -D___EXE_EXTENSION="\"\"" -D___BAT_EXTENSION="\"\""
-D___PRIMAL _system.c -D___LIBRARY
I get the output:
Execution times (seconds)
phase setup : 0.12 (100%) usr 0.00 ( 0%) sys 0.13 (100%)
wall 35712 kB (100%) ggc
TOTAL : 0.12 0.00 0.13
35728 kB
btowc wctob mbrlen __signbitf __signbit __signbitl ___H__20___system
___H__23__23_type ___H__23__23_type_2d_cast ___H__23__23_subtype
___H__23__23_subtype_2d_set_21_ ___H__23__23_fixnum_3f_
___H__23__23_subtyped_3f_ ___H__23__23_subtyped_2d_mutable_3f_
___H__23__23_subtyped_2e_vector_3f_ ___H__23__23_subtyped_2e_symbol_3f_
___H__23__23_subtyped_2e_flonum_3f_ ___H__23__23_subtyped_2e_bignum_3f_
___H__23__23_special_3f_ ___H__23__23_ratnum_3f_ ___H__23__23_cpxnum_3f_
___H__23__23_structure_3f_ ___H__23__23_values_3f_ ___H__23__23_meroon_3f_
___H__23__23_jazz_3f_ ___H__23__23_frame_3f_ ___H__23__23_continuation_3f_
___H__23__23_promise_3f_ ___H__23__23_return_3f_ ___H__23__23_foreign_3f_
___H__23__23_flonum_3f_ ___H__23__23_bignum_3f_ ___H__23__23_unbound_3f_
___H__23__23_quasi_2d_append ___H__23__23_quasi_2d_list
___H__23__23_quasi_2d_cons ___H__23__23_quasi_2d_list_2d__3e_vector
___H__23__23_quasi_2d_vector ___H__23__23_case_2d_memv ___H__23__23_eqv_3f_
___H_eqv_3f_ ___H__23__23_eq_3f_ ___H_eq_3f_ ___H__23__23_bvector_2d_equal_3f_
___H__23__23_equal_3f_ ___H_equal_3f_ ___H__23__23_symbol_2d_hash
___H_symbol_2d_hash ___H__23__23_keyword_2d_hash ___H_keyword_2d_hash
___H__23__23_eq_3f__2d_hash ___H_eq_3f__2d_hash ___H__23__23_eqv_3f__2d_hash
___H_eqv_3f__2d_hash ___H__23__23_equal_3f__2d_hash ___H_equal_3f__2d_hash
___H__23__23_string_3d__3f__2d_hash ___H_string_3d__3f__2d_hash
___H__23__23_string_2d_ci_3d__3f__2d_hash ___H_string_2d_ci_3d__3f__2d_hash
___H__23__23_generic_2d_hash
___H__23__23_fail_2d_check_2d_invalid_2d_hash_2d_number_2d_exception
___H_invalid_2d_hash_2d_number_2d_exception_3f_
___H_invalid_2d_hash_2d_number_2d_exception_2d_procedure
___H_invalid_2d_hash_2d_number_2d_exception_2d_arguments
___H__23__23_raise_2d_invalid_2d_hash_2d_number_2d_exception
___H__23__23_fail_2d_check_2d_unbound_2d_table_2d_key_2d_exception
___H_unbound_2d_table_2d_key_2d_exception_3f_
___H_unbound_2d_table_2d_key_2d_exception_2d_procedure
___H_unbound_2d_table_2d_key_2d_exception_2d_arguments
___H__23__23_raise_2d_unbound_2d_table_2d_key_2d_exception
___H__23__23_gc_2d_hash_2d_table_3f_ ___H__23__23_gc_2d_hash_2d_table_2d_ref
___H__23__23_gc_2d_hash_2d_table_2d_set_21_
___H__23__23_gc_2d_hash_2d_table_2d_rehash_21_
___H__23__23_smallest_2d_prime_2d_no_2d_less_2d_than
___H__23__23_gc_2d_hash_2d_table_2d_resize_21_
___H__23__23_gc_2d_hash_2d_table_2d_allocate
___H__23__23_gc_2d_hash_2d_table_2d_for_2d_each
___H__23__23_gc_2d_hash_2d_table_2d_search
___H__23__23_gc_2d_hash_2d_table_2d_foldl ___H__23__23_mem_2d_allocated_3f_
___H__23__23_fail_2d_check_2d_table ___H_table_3f_ ___H__23__23_make_2d_table
___H_make_2d_table ___H__23__23_table_2d_get_2d_eq_2d_gcht
___H__23__23_table_2d_get_2d_gcht_2d_not_2d_mem_2d_alloc
___H__23__23_table_2d_get_2d_gcht ___H__23__23_table_2d_length
___H_table_2d_length ___H__23__23_table_2d_access ___H__23__23_table_2d_ref
___H_table_2d_ref ___H__23__23_table_2d_resize_21_
___H__23__23_table_2d_set_21_ ___H_table_2d_set_21_
___H__23__23_table_2d_search ___H_table_2d_search
___H__23__23_table_2d_for_2d_each ___H_table_2d_for_2d_each
___H__23__23_table_2d_foldl ___H__23__23_table_2d__3e_list
___H_table_2d__3e_list ___H__23__23_list_2d__3e_table ___H_list_2d__3e_table
___H__23__23_table_2d_copy ___H_table_2d_copy ___H__23__23_table_2d_merge_21_
___H_table_2d_merge_21_ ___H__23__23_table_2d_merge ___H_table_2d_merge
___H__23__23_table_2d_equal_3f_ ___H__23__23_table_2d_equal_3f__2d_hash
___H__23__23_fail_2d_check_2d_unbound_2d_serial_2d_number_2d_exception
___H_unbound_2d_serial_2d_number_2d_exception_3f_
___H_unbound_2d_serial_2d_number_2d_exception_2d_procedure
___H_unbound_2d_serial_2d_number_2d_exception_2d_arguments
___H__23__23_raise_2d_unbound_2d_serial_2d_number_2d_exception
___H__23__23_object_2d__3e_serial_2d_number ___H_object_2d__3e_serial_2d_number
___H__23__23_serial_2d_number_2d__3e_object ___H_serial_2d_number_2d__3e_object
___H__23__23_object_2d__3e_u8vector ___H_object_2d__3e_u8vector
___H__23__23_u8vector_2d__3e_object ___H_u8vector_2d__3e_object ___setup_mod
___init_mod ____20___system
Analyzing compilation unit
Performing interprocedural optimizations
<*free_lang_data> <visibility> <early_local_cleanups> <*free_inline_summary>
<profile> <whole-program> <profile_estimate> <inline> <pure-const>
<static-var>Assembling functions:
___setup_mod ___init_mod ___H_u8vector_2d__3e_object
___H__23__23_u8vector_2d__3e_object ___H_object_2d__3e_u8vector
___H__23__23_object_2d__3e_u8vector {GC 298137k -> 101678k}
___H_serial_2d_number_2d__3e_object ___H__23__23_serial_2d_number_2d__3e_object
___H_object_2d__3e_serial_2d_number ___H__23__23_object_2d__3e_serial_2d_number
___H__23__23_raise_2d_unbound_2d_serial_2d_number_2d_exception
___H_unbound_2d_serial_2d_number_2d_exception_2d_arguments
___H_unbound_2d_serial_2d_number_2d_exception_2d_procedure
___H_unbound_2d_serial_2d_number_2d_exception_3f_
___H__23__23_fail_2d_check_2d_unbound_2d_serial_2d_number_2d_exception
___H__23__23_table_2d_equal_3f__2d_hash ___H__23__23_table_2d_equal_3f_
___H_table_2d_merge ___H__23__23_table_2d_merge ___H_table_2d_merge_21_
___H__23__23_table_2d_merge_21_ ___H_table_2d_copy ___H__23__23_table_2d_copy
___H_list_2d__3e_table ___H__23__23_list_2d__3e_table ___H_table_2d__3e_list
___H__23__23_table_2d__3e_list ___H__23__23_table_2d_foldl
___H_table_2d_for_2d_each ___H__23__23_table_2d_for_2d_each
___H_table_2d_search ___H__23__23_table_2d_search ___H_table_2d_set_21_
___H__23__23_table_2d_resize_21_ ___H_table_2d_ref ___H__23__23_table_2d_access
___H_table_2d_length ___H__23__23_table_2d_length
___H__23__23_table_2d_get_2d_gcht
___H__23__23_table_2d_get_2d_gcht_2d_not_2d_mem_2d_alloc
___H__23__23_table_2d_get_2d_eq_2d_gcht ___H_make_2d_table ___H_table_3f_
___H__23__23_fail_2d_check_2d_table ___H__23__23_mem_2d_allocated_3f_
___H__23__23_gc_2d_hash_2d_table_2d_foldl
___H__23__23_gc_2d_hash_2d_table_2d_search
___H__23__23_gc_2d_hash_2d_table_2d_for_2d_each
___H__23__23_gc_2d_hash_2d_table_2d_allocate
___H__23__23_gc_2d_hash_2d_table_2d_resize_21_
___H__23__23_smallest_2d_prime_2d_no_2d_less_2d_than
___H__23__23_gc_2d_hash_2d_table_3f_
___H__23__23_raise_2d_unbound_2d_table_2d_key_2d_exception
___H_unbound_2d_table_2d_key_2d_exception_2d_arguments
___H_unbound_2d_table_2d_key_2d_exception_2d_procedure
___H_unbound_2d_table_2d_key_2d_exception_3f_
___H__23__23_fail_2d_check_2d_unbound_2d_table_2d_key_2d_exception
___H__23__23_raise_2d_invalid_2d_hash_2d_number_2d_exception
___H_invalid_2d_hash_2d_number_2d_exception_2d_arguments
___H_invalid_2d_hash_2d_number_2d_exception_2d_procedure
___H_invalid_2d_hash_2d_number_2d_exception_3f_
___H__23__23_fail_2d_check_2d_invalid_2d_hash_2d_number_2d_exception
___H__23__23_generic_2d_hash ___H_string_2d_ci_3d__3f__2d_hash
___H_string_3d__3f__2d_hash ___H__23__23_string_3d__3f__2d_hash
___H_equal_3f__2d_hash ___H__23__23_equal_3f__2d_hash ___H_eqv_3f__2d_hash
___H__23__23_eqv_3f__2d_hash ___H_eq_3f__2d_hash ___H__23__23_eq_3f__2d_hash
___H_keyword_2d_hash ___H__23__23_keyword_2d_hash ___H_symbol_2d_hash
___H__23__23_symbol_2d_hash ___H_equal_3f_ ___H__23__23_equal_3f_
___H__23__23_bvector_2d_equal_3f_ ___H_eq_3f_ ___H__23__23_eq_3f_ ___H_eqv_3f_
___H__23__23_eqv_3f_ ___H__23__23_case_2d_memv ___H__23__23_quasi_2d_vector
___H__23__23_quasi_2d_list_2d__3e_vector ___H__23__23_quasi_2d_cons
___H__23__23_quasi_2d_list ___H__23__23_quasi_2d_append
___H__23__23_unbound_3f_ ___H__23__23_bignum_3f_ ___H__23__23_flonum_3f_
___H__23__23_foreign_3f_ ___H__23__23_return_3f_ ___H__23__23_promise_3f_
___H__23__23_continuation_3f_ ___H__23__23_frame_3f_ ___H__23__23_jazz_3f_
___H__23__23_meroon_3f_ ___H__23__23_values_3f_ ___H__23__23_structure_3f_
___H__23__23_cpxnum_3f_ ___H__23__23_ratnum_3f_ ___H__23__23_special_3f_
___H__23__23_subtyped_2e_bignum_3f_ ___H__23__23_subtyped_2e_flonum_3f_
___H__23__23_subtyped_2e_symbol_3f_ ___H__23__23_subtyped_2e_vector_3f_
___H__23__23_subtyped_2d_mutable_3f_ ___H__23__23_subtyped_3f_
___H__23__23_fixnum_3f_ ___H__23__23_subtype_2d_set_21_ ___H__23__23_subtype
___H__23__23_type_2d_cast ___H__23__23_type ___H__20___system
___H__23__23_gc_2d_hash_2d_table_2d_set_21_ ___H__23__23_table_2d_set_21_
___H__23__23_gc_2d_hash_2d_table_2d_rehash_21_ ___H__23__23_table_2d_ref
___H__23__23_gc_2d_hash_2d_table_2d_ref ___H__23__23_make_2d_table
___H__23__23_string_2d_ci_3d__3f__2d_hash ____20___system
_GLOBAL__sub_I_65535_0__system.c
Execution times (seconds)
phase setup : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
1134 kB ( 0%) ggc
phase parsing : 0.11 ( 0%) usr 0.12 (14%) sys 0.23 ( 1%) wall
7383 kB ( 1%) ggc
phase opt and generate : 35.79 (100%) usr 0.73 (86%) sys 36.55 (99%) wall
513422 kB (98%) ggc
garbage collection : 0.08 ( 0%) usr 0.00 ( 0%) sys 0.08 ( 0%) wall
0 kB ( 0%) ggc
dump files : 0.00 ( 0%) usr 0.01 ( 1%) sys 0.00 ( 0%) wall
0 kB ( 0%) ggc
callgraph construction : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
2337 kB ( 0%) ggc
callgraph optimization : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
399 kB ( 0%) ggc
ipa dead code removal : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
0 kB ( 0%) ggc
ipa inlining heuristics : 0.01 ( 0%) usr 0.01 ( 1%) sys 0.01 ( 0%) wall
1132 kB ( 0%) ggc
ipa profile : 0.00 ( 0%) usr 0.01 ( 1%) sys 0.00 ( 0%) wall
2688 kB ( 1%) ggc
ipa pure const : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall
0 kB ( 0%) ggc
cfg construction : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
416 kB ( 0%) ggc
cfg cleanup : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall
14 kB ( 0%) ggc
trivially dead code : 0.14 ( 0%) usr 0.00 ( 0%) sys 0.15 ( 0%) wall
0 kB ( 0%) ggc
df scan insns : 0.07 ( 0%) usr 0.00 ( 0%) sys 0.05 ( 0%) wall
13 kB ( 0%) ggc
df multiple defs : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
0 kB ( 0%) ggc
df reaching defs : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
0 kB ( 0%) ggc
df live regs : 0.29 ( 1%) usr 0.00 ( 0%) sys 0.26 ( 1%) wall
0 kB ( 0%) ggc
df live&initialized regs: 0.03 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall
0 kB ( 0%) ggc
df reg dead/unused notes: 0.24 ( 1%) usr 0.01 ( 1%) sys 0.24 ( 1%) wall
12426 kB ( 2%) ggc
register information : 0.07 ( 0%) usr 0.00 ( 0%) sys 0.05 ( 0%) wall
0 kB ( 0%) ggc
alias analysis : 0.21 ( 1%) usr 0.00 ( 0%) sys 0.19 ( 1%) wall
23934 kB ( 5%) ggc
alias stmt walking : 0.33 ( 1%) usr 0.01 ( 1%) sys 0.28 ( 1%) wall
609 kB ( 0%) ggc
register scan : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
104 kB ( 0%) ggc
rebuild jump labels : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall
0 kB ( 0%) ggc
preprocessing : 0.03 ( 0%) usr 0.03 ( 4%) sys 0.06 ( 0%) wall
1743 kB ( 0%) ggc
lexical analysis : 0.03 ( 0%) usr 0.03 ( 4%) sys 0.03 ( 0%) wall
0 kB ( 0%) ggc
parser (global) : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall
1477 kB ( 0%) ggc
parser function body : 0.04 ( 0%) usr 0.06 ( 7%) sys 0.10 ( 0%) wall
3815 kB ( 1%) ggc
inline parameters : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
89 kB ( 0%) ggc
tree gimplify : 0.03 ( 0%) usr 0.01 ( 1%) sys 0.02 ( 0%) wall
5057 kB ( 1%) ggc
tree CFG construction : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
1743 kB ( 0%) ggc
tree CFG cleanup : 0.16 ( 0%) usr 0.00 ( 0%) sys 0.24 ( 1%) wall
300 kB ( 0%) ggc
tree copy propagation : 0.28 ( 1%) usr 0.00 ( 0%) sys 0.31 ( 1%) wall
3211 kB ( 1%) ggc
tree PTA : 0.06 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
217 kB ( 0%) ggc
tree PHI insertion : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
2191 kB ( 0%) ggc
tree SSA rewrite : 0.19 ( 1%) usr 0.00 ( 0%) sys 0.18 ( 0%) wall
17777 kB ( 3%) ggc
tree SSA other : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
18 kB ( 0%) ggc
tree SSA incremental : 0.23 ( 1%) usr 0.01 ( 1%) sys 0.26 ( 1%) wall
27481 kB ( 5%) ggc
tree operand scan : 0.02 ( 0%) usr 0.02 ( 2%) sys 0.05 ( 0%) wall
15630 kB ( 3%) ggc
dominator optimization : 0.22 ( 1%) usr 0.01 ( 1%) sys 0.22 ( 1%) wall
27417 kB ( 5%) ggc
tree CCP : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.06 ( 0%) wall
491 kB ( 0%) ggc
tree PHI const/copy prop: 0.02 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
127 kB ( 0%) ggc
tree split crit edges : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
743 kB ( 0%) ggc
tree reassociation : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.05 ( 0%) wall
7 kB ( 0%) ggc
tree FRE : 0.06 ( 0%) usr 0.00 ( 0%) sys 0.07 ( 0%) wall
2875 kB ( 1%) ggc
tree code sinking : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
0 kB ( 0%) ggc
tree forward propagate : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
336 kB ( 0%) ggc
tree conservative DCE : 0.10 ( 0%) usr 0.00 ( 0%) sys 0.09 ( 0%) wall
99 kB ( 0%) ggc
tree aggressive DCE : 0.10 ( 0%) usr 0.00 ( 0%) sys 0.08 ( 0%) wall
20 kB ( 0%) ggc
tree DSE : 2.80 ( 8%) usr 0.00 ( 0%) sys 2.80 ( 8%) wall
0 kB ( 0%) ggc
tree loop invariant motion: 0.16 ( 0%) usr 0.03 ( 4%) sys 0.19 ( 1%)
wall 64219 kB (12%) ggc
scev constant prop : 0.29 ( 1%) usr 0.00 ( 0%) sys 0.27 ( 1%) wall
12074 kB ( 2%) ggc
complete unrolling : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
16 kB ( 0%) ggc
tree iv optimization : 0.02 ( 0%) usr 0.00 ( 0%) sys 0.03 ( 0%) wall
932 kB ( 0%) ggc
tree SSA uncprop : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
0 kB ( 0%) ggc
tree rename SSA copies : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.04 ( 0%) wall
0 kB ( 0%) ggc
dominance frontiers : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
0 kB ( 0%) ggc
dominance computation : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.09 ( 0%) wall
0 kB ( 0%) ggc
out of ssa : 5.90 (16%) usr 0.50 (59%) sys 6.41 (17%) wall
26 kB ( 0%) ggc
expand vars : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
866 kB ( 0%) ggc
expand : 0.39 ( 1%) usr 0.02 ( 2%) sys 0.40 ( 1%) wall
87038 kB (17%) ggc
post expand cleanups : 0.03 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
322 kB ( 0%) ggc
forward prop : 0.33 ( 1%) usr 0.00 ( 0%) sys 0.33 ( 1%) wall
14733 kB ( 3%) ggc
CSE : 7.53 (21%) usr 0.01 ( 1%) sys 7.53 (20%) wall
30934 kB ( 6%) ggc
dead code elimination : 0.05 ( 0%) usr 0.00 ( 0%) sys 0.06 ( 0%) wall
0 kB ( 0%) ggc
dead store elim1 : 0.37 ( 1%) usr 0.01 ( 1%) sys 0.36 ( 1%) wall
7276 kB ( 1%) ggc
dead store elim2 : 1.73 ( 5%) usr 0.00 ( 0%) sys 1.71 ( 5%) wall
18715 kB ( 4%) ggc
loop init : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
713 kB ( 0%) ggc
loop invariant motion : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
27 kB ( 0%) ggc
branch prediction : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
277 kB ( 0%) ggc
combiner : 0.06 ( 0%) usr 0.00 ( 0%) sys 0.11 ( 0%) wall
913 kB ( 0%) ggc
integrated RA : 0.87 ( 2%) usr 0.00 ( 0%) sys 0.99 ( 3%) wall
48097 kB ( 9%) ggc
LRA non-specific : 1.61 ( 4%) usr 0.01 ( 1%) sys 1.63 ( 4%) wall
37254 kB ( 7%) ggc
LRA virtuals elimination: 0.13 ( 0%) usr 0.00 ( 0%) sys 0.10 ( 0%) wall
15481 kB ( 3%) ggc
LRA reload inheritance : 0.04 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
11 kB ( 0%) ggc
LRA create live ranges : 0.32 ( 1%) usr 0.01 ( 1%) sys 0.29 ( 1%) wall
7642 kB ( 1%) ggc
LRA hard reg assignment : 0.69 ( 2%) usr 0.01 ( 1%) sys 0.73 ( 2%) wall
0 kB ( 0%) ggc
reload CSE regs : 5.74 (16%) usr 0.00 ( 0%) sys 5.73 (16%) wall
12325 kB ( 2%) ggc
thread pro- & epilogue : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
465 kB ( 0%) ggc
combine stack adjustments: 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
0 kB ( 0%) ggc
hard reg cprop : 0.33 ( 1%) usr 0.00 ( 0%) sys 0.34 ( 1%) wall
4 kB ( 0%) ggc
scheduling 2 : 1.79 ( 5%) usr 0.01 ( 1%) sys 1.77 ( 5%) wall
299 kB ( 0%) ggc
machine dep reorg : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.02 ( 0%) wall
0 kB ( 0%) ggc
shorten branches : 0.21 ( 1%) usr 0.00 ( 0%) sys 0.20 ( 1%) wall
0 kB ( 0%) ggc
final : 0.36 ( 1%) usr 0.00 ( 0%) sys 0.34 ( 1%) wall
1508 kB ( 0%) ggc
variable output : 0.00 ( 0%) usr 0.00 ( 0%) sys 0.01 ( 0%) wall
146 kB ( 0%) ggc
straight-line strength reduction: 0.06 ( 0%) usr 0.00 ( 0%) sys 0.06 (
0%) wall 16 kB ( 0%) ggc
rest of compilation : 0.35 ( 1%) usr 0.02 ( 2%) sys 0.37 ( 1%) wall
991 kB ( 0%) ggc
remove unused locals : 0.07 ( 0%) usr 0.00 ( 0%) sys 0.07 ( 0%) wall
0 kB ( 0%) ggc
address taken : 0.01 ( 0%) usr 0.00 ( 0%) sys 0.00 ( 0%) wall
0 kB ( 0%) ggc
unaccounted todo : 0.19 ( 1%) usr 0.00 ( 0%) sys 0.18 ( 0%) wall
0 kB ( 0%) ggc
TOTAL : 35.90 0.85 36.79
521957 kB
The "phase opt and generate" part uses most of the CPU time and most of the
RAM. With somewhat larger files, RAM usage goes up > 80GB.
Including _system.i with this report.
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