ruby/benchmark/bm_string_index.rb

str1 = "あ" * 1024 + "い" # not single byte optimizable
str2 = "い"
100_000.times { str1.index(str2) }
string.c: avoid unnecessary call of str_strlen() * string.c (rb_strseq_index): refactor and avoid call of str_strlen() when offset == 0. it will improve performance of String#index and #include? * benchmark/bm_string_index.rb: benchmark for this change git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60086 b2dd03c8-39d4-4d8f-98ff-823fe69b080e 2017-10-01 16:44:49 +03:00			`str1 = "あ" * 1024 + "い" # not single byte optimizable`
			`str2 = "い"`
			`100_000.times { str1.index(str2) }`