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ruby--ruby/benchmark
normal 1e14126b4f Dir.empty? releases GVL
This converts all slow syscalls in the Dir.empty? implementation
to release GVL.  We avoid unnecessarily GVL release and
reacquire for each slow call (opendir, readdir, closedir) and
instead only release and acquire the GVL once in the common
case.

Benchmark results show a small degradation in single-threaded
performance:
Execution time (sec)
name	trunk	built
dir_empty_p	0.689	0.758

Speedup ratio: compare with the result of `trunk' (greater is better)
name	built
dir_empty_p	0.909

* dir.c (rb_gc_for_fd_with_gvl): new function
  (nogvl_dir_empty_p): ditto
  (dir_s_empty_p): use new functions to release GVL
* benchmark/bm_dir_empty_p.rb: new benchmark
  [ruby-core:83071] [Feature #13958]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60111 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-10-04 00:04:51 +00:00
..
gc
other-lang
bm_app_answer.rb
bm_app_aobench.rb
bm_app_erb.rb
bm_app_factorial.rb
bm_app_fib.rb
bm_app_lc_fizzbuzz.rb
bm_app_mandelbrot.rb
bm_app_pentomino.rb
bm_app_raise.rb
bm_app_strconcat.rb
bm_app_tak.rb
bm_app_tarai.rb
bm_app_uri.rb
bm_array_sample_100k_10.rb benchmarks for Bug#13136 2017-01-20 02:27:28 +00:00
bm_array_sample_100k_11.rb benchmarks for Bug#13136 2017-01-20 02:27:28 +00:00
bm_array_sample_100k__1k.rb benchmarks for Bug#13136 2017-01-20 02:27:28 +00:00
bm_array_sample_100k__6k.rb benchmarks for Bug#13136 2017-01-20 02:27:28 +00:00
bm_array_sample_100k__100.rb benchmarks for Bug#13136 2017-01-20 02:27:28 +00:00
bm_array_sample_100k___10k.rb benchmarks for Bug#13136 2017-01-20 02:27:28 +00:00
bm_array_sample_100k___50k.rb benchmarks for Bug#13136 2017-01-20 02:27:28 +00:00
bm_array_shift.rb
bm_array_small_and.rb array.c: improve operations on small arrays 2017-09-29 07:43:22 +00:00
bm_array_small_diff.rb array.c: improve operations on small arrays 2017-09-29 07:43:22 +00:00
bm_array_small_or.rb array.c: improve operations on small arrays 2017-09-29 07:43:22 +00:00
bm_array_sort_block.rb array.c: improve performance of Array#sort with block 2017-04-13 09:25:38 +00:00
bm_array_sort_float.rb Add a benchmark script for Array#sort of float array 2017-04-13 08:09:06 +00:00
bm_bighash.rb * benchmark/: add vnmakarov's benchmarks around hash [ruby-core:75265] 2016-09-14 16:00:55 +00:00
bm_dir_empty_p.rb Dir.empty? releases GVL 2017-10-04 00:04:51 +00:00
bm_erb_render.rb benchmark: Rename to bm_erb_render.rb 2017-05-27 02:47:11 +00:00
bm_file_rename.rb File#rename releases GVL 2017-10-01 21:19:24 +00:00
bm_hash_aref_dsym.rb
bm_hash_aref_dsym_long.rb
bm_hash_aref_fix.rb
bm_hash_aref_flo.rb
bm_hash_aref_miss.rb
bm_hash_aref_str.rb
bm_hash_aref_sym.rb
bm_hash_aref_sym_long.rb
bm_hash_flatten.rb
bm_hash_ident_flo.rb
bm_hash_ident_num.rb
bm_hash_ident_obj.rb
bm_hash_ident_str.rb
bm_hash_ident_sym.rb
bm_hash_keys.rb
bm_hash_long.rb * benchmark/: add vnmakarov's benchmarks around hash [ruby-core:75265] 2016-09-14 16:00:55 +00:00
bm_hash_shift.rb
bm_hash_shift_u16.rb
bm_hash_shift_u24.rb
bm_hash_shift_u32.rb
bm_hash_small2.rb * benchmark/: add vnmakarov's benchmarks around hash [ruby-core:75265] 2016-09-14 16:00:55 +00:00
bm_hash_small4.rb * benchmark/: add vnmakarov's benchmarks around hash [ruby-core:75265] 2016-09-14 16:00:55 +00:00
bm_hash_small8.rb * benchmark/: add vnmakarov's benchmarks around hash [ruby-core:75265] 2016-09-14 16:00:55 +00:00
bm_hash_to_proc.rb
bm_hash_values.rb
bm_int_quo.rb Improve performance of type conversion using to_r 2017-04-14 05:19:12 +00:00
bm_io_copy_stream_write.rb add benchmark for IO.copy_stream IO#write case 2016-12-31 00:41:14 +00:00
bm_io_copy_stream_write_socket.rb another benchmark for IO.copy_stream socket writing 2017-01-18 18:23:49 +00:00
bm_io_file_create.rb
bm_io_file_read.rb
bm_io_file_write.rb
bm_io_nonblock_noex.rb
bm_io_nonblock_noex2.rb
bm_io_pipe_rw.rb benchmark: new single-threaded read/write benchmark with pipe 2017-05-04 02:13:11 +00:00
bm_io_select.rb
bm_io_select2.rb
bm_io_select3.rb
bm_loop_for.rb
bm_loop_generator.rb
bm_loop_times.rb
bm_loop_whileloop.rb
bm_loop_whileloop2.rb
bm_marshal_dump_flo.rb
bm_marshal_dump_load_geniv.rb
bm_marshal_dump_load_time.rb
bm_require.rb
bm_require_thread.rb
bm_securerandom.rb
bm_so_ackermann.rb
bm_so_array.rb
bm_so_binary_trees.rb
bm_so_concatenate.rb
bm_so_count_words.rb
bm_so_exception.rb
bm_so_fannkuch.rb
bm_so_fasta.rb get rid of ambiguous parentheses warnings 2016-11-29 16:06:54 +00:00
bm_so_k_nucleotide.rb
bm_so_lists.rb
bm_so_mandelbrot.rb
bm_so_matrix.rb
bm_so_meteor_contest.rb get rid of ambiguous parentheses warnings 2016-11-29 16:06:54 +00:00
bm_so_nbody.rb
bm_so_nested_loop.rb
bm_so_nsieve.rb
bm_so_nsieve_bits.rb
bm_so_object.rb
bm_so_partial_sums.rb
bm_so_pidigits.rb get rid of ambiguous parentheses warnings 2016-11-29 16:06:54 +00:00
bm_so_random.rb
bm_so_reverse_complement.rb
bm_so_sieve.rb
bm_so_spectralnorm.rb
bm_string_index.rb string.c: avoid unnecessary call of str_strlen() 2017-10-01 13:44:49 +00:00
bm_string_scan_re.rb benchmarks for String#scan 2017-08-04 04:25:12 +00:00
bm_string_scan_str.rb benchmarks for String#scan 2017-08-04 04:25:12 +00:00
bm_time_subsec.rb Improve performance of type conversion using to_r 2017-04-14 05:19:12 +00:00
bm_vm1_attr_ivar.rb
bm_vm1_attr_ivar_set.rb
bm_vm1_block.rb
bm_vm1_const.rb
bm_vm1_ensure.rb
bm_vm1_float_simple.rb
bm_vm1_gc_short_lived.rb
bm_vm1_gc_short_with_complex_long.rb
bm_vm1_gc_short_with_long.rb
bm_vm1_gc_short_with_symbol.rb
bm_vm1_gc_wb_ary.rb benchmark/bm_vm1_gc_wb_*.rb: fix GC.start args for invalid keyword 2017-05-04 08:55:54 +00:00
bm_vm1_gc_wb_ary_promoted.rb benchmark/bm_vm1_gc_wb_*.rb: fix GC.start args for invalid keyword 2017-05-04 08:55:54 +00:00
bm_vm1_gc_wb_obj.rb benchmark/bm_vm1_gc_wb_*.rb: fix GC.start args for invalid keyword 2017-05-04 08:55:54 +00:00
bm_vm1_gc_wb_obj_promoted.rb benchmark/bm_vm1_gc_wb_*.rb: fix GC.start args for invalid keyword 2017-05-04 08:55:54 +00:00
bm_vm1_ivar.rb
bm_vm1_ivar_set.rb
bm_vm1_length.rb
bm_vm1_lvar_init.rb
bm_vm1_lvar_set.rb
bm_vm1_neq.rb
bm_vm1_not.rb
bm_vm1_rescue.rb
bm_vm1_simplereturn.rb
bm_vm1_swap.rb
bm_vm1_yield.rb
bm_vm2_array.rb
bm_vm2_bigarray.rb
bm_vm2_bighash.rb
bm_vm2_case.rb
bm_vm2_case_lit.rb
bm_vm2_defined_method.rb
bm_vm2_dstr.rb
bm_vm2_eval.rb
bm_vm2_fiber_switch.rb benchmark/bm_vm2_fiber_switch.rb: check for fiber performance 2017-05-08 01:59:12 +00:00
bm_vm2_method.rb
bm_vm2_method_missing.rb
bm_vm2_method_with_block.rb
bm_vm2_module_ann_const_set.rb benchmarks for [Bug #13113] [ci skip] 2017-01-08 01:46:10 +00:00
bm_vm2_module_const_set.rb benchmarks for [Bug #13113] [ci skip] 2017-01-08 01:46:10 +00:00
bm_vm2_mutex.rb
bm_vm2_newlambda.rb
bm_vm2_poly_method.rb
bm_vm2_poly_method_ov.rb
bm_vm2_poly_singleton.rb
bm_vm2_proc.rb
bm_vm2_raise1.rb
bm_vm2_raise2.rb
bm_vm2_regexp.rb
bm_vm2_send.rb
bm_vm2_string_literal.rb
bm_vm2_struct_big_aref_hi.rb
bm_vm2_struct_big_aref_lo.rb
bm_vm2_struct_big_aset.rb
bm_vm2_struct_big_href_hi.rb
bm_vm2_struct_big_href_lo.rb
bm_vm2_struct_big_hset.rb
bm_vm2_struct_small_aref.rb
bm_vm2_struct_small_aset.rb
bm_vm2_struct_small_href.rb
bm_vm2_struct_small_hset.rb
bm_vm2_super.rb
bm_vm2_unif1.rb
bm_vm2_zsuper.rb
bm_vm3_backtrace.rb
bm_vm3_clearmethodcache.rb
bm_vm3_gc.rb
bm_vm3_gc_old_full.rb
bm_vm3_gc_old_immediate.rb
bm_vm3_gc_old_lazy.rb
bm_vm_symbol_block_pass.rb
bm_vm_thread_alive_check1.rb
bm_vm_thread_close.rb
bm_vm_thread_condvar1.rb more benchmarks for SizedQueue and ConditionVariable 2017-05-02 02:40:46 +00:00
bm_vm_thread_condvar2.rb more benchmarks for SizedQueue and ConditionVariable 2017-05-02 02:40:46 +00:00
bm_vm_thread_create_join.rb
bm_vm_thread_mutex1.rb
bm_vm_thread_mutex2.rb
bm_vm_thread_mutex3.rb
bm_vm_thread_pass.rb
bm_vm_thread_pass_flood.rb benchmark/bm_vm_thread_pass_flood.rb: add comment 2017-05-04 16:47:17 +00:00
bm_vm_thread_pipe.rb
bm_vm_thread_queue.rb
bm_vm_thread_sized_queue.rb more benchmarks for SizedQueue and ConditionVariable 2017-05-02 02:40:46 +00:00
bm_vm_thread_sized_queue2.rb more benchmarks for SizedQueue and ConditionVariable 2017-05-02 02:40:46 +00:00
bm_vm_thread_sized_queue3.rb more benchmarks for SizedQueue and ConditionVariable 2017-05-02 02:40:46 +00:00
bm_vm_thread_sized_queue4.rb more benchmarks for SizedQueue and ConditionVariable 2017-05-02 02:40:46 +00:00
driver.rb driver.rb: measure_target option [ci skip] 2017-01-08 03:51:35 +00:00
make_fasta_output.rb
memory_wrapper.rb
prepare_require.rb
prepare_require_thread.rb
prepare_so_count_words.rb
prepare_so_k_nucleotide.rb
prepare_so_reverse_complement.rb
report.rb
run.rb
runc.rb
wc.input.base