normal 4ebab10bf5 compile optimized case dispatch for nil/true/false ... 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		2015-12-08 01:46:45 +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_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	compile optimized case dispatch for nil/true/false	2015-12-08 01:46:45 +00:00
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