3 commits

Author	SHA1	Message	Date
Nobuyoshi Nakada	02cb643ddb	Added String#split benchmark for empty regexp ... | |compare-ruby|built-ruby| |:--------------|-----------:|---------:| |re_chars-1 | 169.230k| 973.855k| | | -| 5.75x| |re_chars-10 | 25.536k| 107.598k| | | -| 4.21x| |re_chars-100 | 2.621k| 11.207k| | | -| 4.28x| |re_chars-1000 | 259.098| 1.133k| | | -| 4.37x|	2020-05-12 22:59:58 +09:00
Nobuyoshi Nakada	693f7ab315	Optimize String#split ... Optimized `String#split` with `/ /` (single space regexp) as simple string splitting. [ruby-core:98272] | |compare-ruby|built-ruby| |:--------------|-----------:|---------:| |re_space-1 | 432.786k| 1.539M| | | -| 3.56x| |re_space-10 | 76.231k| 191.547k| | | -| 2.51x| |re_space-100 | 8.152k| 19.557k| | | -| 2.40x| |re_space-1000 | 837.405| 2.022k| | | -| 2.41x| ruby-core:98272: https://bugs.ruby-lang.org/issues/15771#change-85511	2020-05-12 19:58:58 +09:00
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