[Bug other/64928] Inordinate 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
Fri Feb 6 05:07:00 GMT 2015
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64928
--- Comment #5 from lucier at math dot purdue.edu ---
Created attachment 34681
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34681&action=edit
_io.i.gz: larger test file
With this compiler:
firefly:~/Downloads/gambit/lib> /pkgs/gcc-mainline/bin/gcc -v
Using built-in specs.
COLLECT_GCC=/pkgs/gcc-mainline/bin/gcc
COLLECT_LTO_WRAPPER=/pkgs/gcc-mainline/libexec/gcc/x86_64-unknown-linux-gnu/5.0.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../../gcc-devel/configure --prefix=/pkgs/gcc-mainline
--enable-languages=c --enable-checking=release
Thread model: posix
gcc version 5.0.0 20150206 (experimental) [trunk revision 220467] (GCC)
and the input file _io.c, I find
/pkgs/gcc-mainline/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 "_io.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-mainline/bin/gcc -Q
-save-temps' '--enable-coverage' '--enable-track-scheme'"\"
-D___OBJ_EXTENSION="\".o\"" -D___EXE_EXTENSION="\"\"" -D___BAT_EXTENSION="\"\""
-D___PRIMAL _io.c -D___LIBRARY
Execution times (seconds)
phase setup : 0.78 (100%) usr 0.04 (100%) sys 0.83 (100%)
wall 156905 kB (100%) ggc
TOTAL : 0.78 0.04 0.83
156922 kB
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___H__23__23_open_2d_file_2d_generic
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___H__23__23_path_2d_reference ___H__23__23_open_2d_file ___H_open_2d_file
___H__23__23_open_2d_input_2d_file ___H_open_2d_input_2d_file
___H__23__23_open_2d_output_2d_file ___H_open_2d_output_2d_file
___H_call_2d_with_2d_input_2d_file ___H_call_2d_with_2d_output_2d_file
___H_with_2d_input_2d_from_2d_file ___H_with_2d_output_2d_to_2d_file
___H_with_2d_input_2d_from_2d_port ___H_with_2d_output_2d_to_2d_port
___H__23__23_open_2d_predefined ___H_console_2d_port
___H__23__23_open_2d_all_2d_predefined
___H__23__23_force_2d_output_2d_on_2d_predefined ___H__23__23_make_2d_filepos
___H__23__23_filepos_2d_line ___H__23__23_filepos_2d_col
___H__23__23_fail_2d_check_2d_readtable ___H__23__23_readtable_3f_
___H_readtable_3f_ ___H__23__23_readtable_2d_copy_2d_shallow
___H__23__23_readtable_2d_copy ___H_readtable_2d_case_2d_conversion_3f_
___H_readtable_2d_case_2d_conversion_3f__2d_set
___H_readtable_2d_keywords_2d_allowed_3f_
___H_readtable_2d_keywords_2d_allowed_3f__2d_set
___H_readtable_2d_sharing_2d_allowed_3f_
___H_readtable_2d_sharing_2d_allowed_3f__2d_set
___H_readtable_2d_eval_2d_allowed_3f_
___H_readtable_2d_eval_2d_allowed_3f__2d_set
___H_readtable_2d_write_2d_extended_2d_read_2d_macros_3f_
___H_readtable_2d_write_2d_extended_2d_read_2d_macros_3f__2d_set
___H_readtable_2d_write_2d_cdr_2d_read_2d_macros_3f_
___H_readtable_2d_write_2d_cdr_2d_read_2d_macros_3f__2d_set
___H_readtable_2d_max_2d_write_2d_level
___H_readtable_2d_max_2d_write_2d_level_2d_set
___H_readtable_2d_max_2d_write_2d_length
___H_readtable_2d_max_2d_write_2d_length_2d_set
___H_readtable_2d_max_2d_unescaped_2d_char
___H_readtable_2d_max_2d_unescaped_2d_char_2d_set
___H_readtable_2d_comment_2d_handler
___H_readtable_2d_comment_2d_handler_2d_set ___H_readtable_2d_start_2d_syntax
___H_readtable_2d_start_2d_syntax_2d_set
___H__23__23_extract_2d_language_2d_and_2d_tail
___H__23__23_readtable_2d_setup_2d_for_2d_language_21_
___H__23__23_readtable_2d_setup_2d_for_2d_standard_2d_level_21_
___H__23__23_make_2d_readtable_2d_parameter ___H__23__23_start_2d_main
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___H__23__23_marktable_2d_lookup_21_ ___H__23__23_marktable_2d_save
___H__23__23_marktable_2d_restore_21_
___H__23__23_might_2d_write_2d_differently_3f_ ___H__23__23_default_2d_wr
___H__23__23_wr_2d_str ___H__23__23_wr_2d_substr ___H__23__23_wr_2d_ch
___H__23__23_wr_2d_filler ___H__23__23_wr_2d_spaces ___H__23__23_wr_2d_indent
___H__23__23_shifted_2d_column ___H__23__23_wr_2d_sn
___H__23__23_wr_2d_no_2d_display ___H__23__23_wr_2d_mark
___H__23__23_wr_2d_stamp ___H__23__23_wr_2d_symbol
___H__23__23_escape_2d_symbol_3f_ ___H__23__23_escape_2d_symkey_3f_
___H__23__23_wr_2d_keyword ___H__23__23_escape_2d_keyword_3f_
___H__23__23_wr_2d_pair ___H__23__23_print_2d_marker
___H__23__23_wr_2d_one_2d_line_2d_pretty_2d_print
___H__23__23_wr_2d_fits_2d_on_2d_line ___H__23__23_wr_2d_complex
___H__23__23_wr_2d_char ___H__23__23_wr_2d_hex ___H__23__23_wr_2d_oct
___H__23__23_wr_2d_string ___H__23__23_wr_2d_escaped_2d_string
___H__23__23_reader_2d__3e_open_2d_close ___H__23__23_head_2d__3e_open_2d_close
___H__23__23_wr_2d_vector ___H__23__23_wr_2d_vector_2d_aux1
___H__23__23_wr_2d_vector_2d_aux2 ___H__23__23_wr_2d_vector_2d_aux3
___H__23__23_wr_2d_foreign ___H__23__23_explode_2d_object
___H__23__23_implode_2d_object ___H__23__23_explode_2d_structure
___H__23__23_implode_2d_structure ___H__23__23_implode_2d_frame
___H__23__23_implode_2d_continuation ___H__23__23_explode_2d_procedure
___H__23__23_explode_2d_closure ___H__23__23_explode_2d_subprocedure
___H__23__23_implode_2d_procedure
___H__23__23_implode_2d_procedure_2d_or_2d_return
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___H__23__23_wr_2d_opaque ___H__23__23_wr_2d_serialize
___H__23__23_wr_2d_s8vector ___H__23__23_wr_2d_u8vector
___H__23__23_wr_2d_s16vector ___H__23__23_wr_2d_u16vector
___H__23__23_wr_2d_s32vector ___H__23__23_wr_2d_u32vector
___H__23__23_wr_2d_s64vector ___H__23__23_wr_2d_u64vector
___H__23__23_wr_2d_f32vector ___H__23__23_wr_2d_f64vector
___H__23__23_wr_2d_structure ___H__23__23_wr_2d_gc_2d_hash_2d_table
___H__23__23_explode_2d_gc_2d_hash_2d_table
___H__23__23_implode_2d_gc_2d_hash_2d_table ___H__23__23_wr_2d_meroon
___H__23__23_wr_2d_jazz ___H__23__23_wr_2d_frame
___H__23__23_wr_2d_continuation ___H__23__23_wr_2d_promise
___H__23__23_explode_2d_promise ___H__23__23_implode_2d_promise
___H__23__23_wr_2d_will ___H__23__23_wr_2d_procedure ___H__23__23_wr_2d_return
___H__23__23_wr_2d_box ___H__23__23_wr_2d_other ___H__23__23_eof_2d_object_3f_
___H_eof_2d_object_3f_ ___H_transcript_2d_on ___H_transcript_2d_off
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___H__23__23_readtable_2d_char_2d_delimiter_3f_
___H__23__23_readtable_2d_char_2d_delimiter_3f__2d_set_21_
___H__23__23_readtable_2d_char_2d_handler
___H__23__23_readtable_2d_char_2d_handler_2d_set_21_
___H__23__23_readtable_2d_char_2d_sharp_2d_handler
___H__23__23_readtable_2d_char_2d_sharp_2d_handler_2d_set_21_
___H__23__23_readtable_2d_char_2d_class_2d_set_21_
___H__23__23_readtable_2d_convert_2d_case
___H__23__23_readtable_2d_string_2d_convert_2d_case_21_
___H__23__23_readtable_2d_parse_2d_keyword
___H__23__23_read_2d_datum_2d_or_2d_eof
___H__23__23_read_2d_datum_2d_or_2d_label
___H__23__23_read_2d_datum_2d_or_2d_label_2d_or_2d_none
___H__23__23_read_2d_datum_2d_or_2d_label_2d_or_2d_none_2d_or_2d_dot
___H__23__23_script_2d_marker ___H__23__23_none_2d_marker
___H__23__23_dot_2d_marker ___H__23__23_label_2d_marker_3f_
___H__23__23_label_2d_marker_2d_enter_21_
___H__23__23_label_2d_marker_2d_reference
___H__23__23_label_2d_marker_2d_fixup_2d_handler_2d_add_21_
___H__23__23_label_2d_marker_2d_define
___H__23__23_label_2d_marker_2d_fixup_21_
___H__23__23_read_2d_check_2d_labels_21_ ___H__23__23_build_2d_list
___H__23__23_read_2d_next_2d_char_2d_expecting ___H__23__23_build_2d_vector
___H__23__23_build_2d_delimited_2d_string
___H__23__23_build_2d_delimited_2d_number_2f_keyword_2f_symbol
___H__23__23_string_2d__3e_number_2f_keyword_2f_symbol
___H__23__23_char_2d_octal_3f_ ___H__23__23_char_2d_hexadecimal_3f_
___H__23__23_build_2d_escaped_2d_string_2d_up_2d_to
___H__23__23_build_2d_decimal_2d_integer ___H__23__23_build_2d_read_2d_macro
___H__23__23_skip_2d_extended_2d_comment
___H__23__23_skip_2d_single_2d_line_2d_comment
___H__23__23_skip_2d_comment_2d_done ___H__23__23_read_2d_sharp
___H__23__23_read_2d_sharp_2d_aux ___H__23__23_read_2d_sharp_2d_vector
___H__23__23_read_2d_sharp_2d_char ___H__23__23_read_2d_sharp_2d_comment
___H__23__23_read_2d_sharp_2d_bang
___H__23__23_read_2d_sharp_2d_keyword_2f_symbol
___H__23__23_read_2d_sharp_2d_colon ___H__23__23_read_2d_sharp_2d_semicolon
___H__23__23_read_2d_sharp_2d_quotation ___H__23__23_read_2d_sharp_2d_ampersand
___H__23__23_read_2d_sharp_2d_dot ___H__23__23_read_2d_sharp_2d_less
___H__23__23_read_2d_sharp_2d_digit ___H__23__23_wrap ___H__23__23_wrap_2d_op
___H__23__23_wrap_2d_op0 ___H__23__23_wrap_2d_op1 ___H__23__23_wrap_2d_op1_2a_
___H__23__23_wrap_2d_op2 ___H__23__23_wrap_2d_op3 ___H__23__23_wrap_2d_op4
___H__23__23_read_2d_sharp_2d_other ___H__23__23_read_2d_whitespace
___H__23__23_read_2d_single_2d_line_2d_comment
___H__23__23_read_2d_escaped_2d_string ___H__23__23_read_2d_quotation
___H__23__23_closing_2d_parenthesis_2d_for
___H__23__23_read_2d_vector_2d_or_2d_list ___H__23__23_read_2d_list
___H__23__23_read_2d_vector ___H__23__23_read_2d_other
___H__23__23_read_2d_none ___H__23__23_read_2d_illegal ___H__23__23_read_2d_dot
___H__23__23_read_2d_number_2f_keyword_2f_symbol
___H__23__23_read_2d_assoc_2d_string_3d__3f_
___H__23__23_read_2d_string_3d__3f_ ___H__23__23_read_2d_six
___H__23__23_read_2d_six_2d_datum_2d_or_2d_eof ___H__23__23_six_2d_type_3f_
___H__23__23_make_2d_standard_2d_readtable ___setup_mod ___init_mod ____20___io
Analyzing compilation unit
Performing interprocedural optimizations
<*free_lang_data> <visibility> <build_ssa_passes> <chkp_passes>
<opt_local_passes> <free-inline-summary> <profile> <whole-program>
<profile_estimate> <inline> <pure-const> <static-var> <single-use>
<comdats>Assembling functions:
___setup_mod ___init_mod ___H__23__23_make_2d_standard_2d_readtable
___H__23__23_six_2d_type_3f_ ___H__23__23_read_2d_six_2d_datum_2d_or_2d_eof {GC
1963188k -> 1911014k}^Cmakefile:150: recipe for target '_io.o' failed
make: *** [_io.o] Interrupt
When I killed it, top was reporting:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
8760 lucier 20 0 37.918g 0.029t 584 D 4.7 95.6 34:11.14 cc1
(I don't remember seeing resident memory measured in terabytes before ;-)
I'm having similar problems with the 4.8 branch.
I'm including _io.i.gz
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