ruby--ruby/benchmark/string_split.yml at 98ba116d402e7c255dae78ce43b76723a56c4cb7 - kotovalexarian-likes-github/ruby--ruby - Forgejo by Causa Arcana

kotovalexarian-likes-github/ruby--ruby

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nobu e1eb54b99d string.c: improve splitting into chars

* string.c (rb_str_split_m): improve splitting into chars by an
  empty string, without a regexp.

    Comparison:
                           to_chars-1
              built-ruby:   1273527.6 i/s
            compare-ruby:    189423.3 i/s - 6.72x  slower

                          to_chars-10
              built-ruby:    120993.5 i/s
            compare-ruby:     37075.8 i/s - 3.26x  slower

                         to_chars-100
              built-ruby:     15646.4 i/s
            compare-ruby:      4012.1 i/s - 3.90x  slower

                        to_chars-1000
              built-ruby:      1295.1 i/s
            compare-ruby:       408.5 i/s - 3.17x  slower

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67582 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2019-04-17 05:34:46 +00:00

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 prelude: |
   str0 = [*0..9].join("")
 benchmark:
   to_chars-1: str0.split('')
   to_chars-10: (str0 * 10).split('')
   to_chars-100: (str0 * 100).split('')
   to_chars-1000: (str0 * 1000).split('')