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4ebab10bf5
nil/true/false are special literals just like floats, integers, literal strings, and symbols. Optimize when statements with them by using a jump table, too. target 0: a (ruby 2.3.0dev (2015-12-08 trunk 52928) [x86_64-linux]) at "/home/ew/rrrr/b/ruby" target 1: b (ruby 2.3.0dev (2015-12-08 master 52928) [x86_64-linux]) at "/home/ew/ruby/b/ruby" benchmark results: minimum results in each 5 measurements. Execution time (sec) name a b loop_whileloop2 0.102 0.103 vm2_case_lit* 1.657 0.549 Speedup ratio: compare with the result of `a' (greater is better) name b loop_whileloop2 0.988 vm2_case_lit* 3.017 * benchmark/bm_vm2_case_lit.rb: new benchmark * compile.c (case_when_optimizable_literal): add nil/true/false * insns.def (opt_case_dispatch): ditto * vm.c (vm_redefinition_check_flag): ditto * vm.c (vm_init_redefined_flag): ditto * vm_core.h: ditto * object.c (InitVM_Object): define === explicitly for nil/true/false * test/ruby/test_case.rb (test_deoptimize_nil): new test * test/ruby/test_optimization.rb (test_opt_case_dispatch): update (test_eqq): new test [ruby-core:71923] [Feature #11769] Original patch by Aaron Patterson <tenderlove@ruby-lang.org> git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52931 b2dd03c8-39d4-4d8f-98ff-823fe69b080e |
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| .. | ||
| 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_shift.rb | ||
| 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_shift.rb | ||
| bm_hash_to_proc.rb | ||
| bm_hash_values.rb | ||
| 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_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 | ||
| bm_so_k_nucleotide.rb | ||
| bm_so_lists.rb | ||
| bm_so_mandelbrot.rb | ||
| bm_so_matrix.rb | ||
| bm_so_meteor_contest.rb | ||
| 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 | ||
| bm_so_random.rb | ||
| bm_so_reverse_complement.rb | ||
| bm_so_sieve.rb | ||
| bm_so_spectralnorm.rb | ||
| 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 | ||
| bm_vm1_gc_wb_ary_promoted.rb | ||
| bm_vm1_gc_wb_obj.rb | ||
| bm_vm1_gc_wb_obj_promoted.rb | ||
| 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_method.rb | ||
| bm_vm2_method_missing.rb | ||
| bm_vm2_method_with_block.rb | ||
| bm_vm2_mutex.rb | ||
| bm_vm2_newlambda.rb | ||
| bm_vm2_poly_method.rb | ||
| bm_vm2_poly_method_ov.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_vm_symbol_block_pass.rb | ||
| bm_vm_thread_alive_check1.rb | ||
| bm_vm_thread_close.rb | ||
| 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 | ||
| bm_vm_thread_pipe.rb | ||
| bm_vm_thread_queue.rb | ||
| driver.rb | ||
| make_fasta_output.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 | ||