From 693f7ab31578bf23d165f022b60da3a32055ceea Mon Sep 17 00:00:00 2001 From: Nobuyoshi Nakada Date: Tue, 12 May 2020 15:50:15 +0900 Subject: 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 --- benchmark/string_split.yml | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-) (limited to 'benchmark') diff --git a/benchmark/string_split.yml b/benchmark/string_split.yml index 84ffe8f6a7..ac6ed0d72f 100644 --- a/benchmark/string_split.yml +++ b/benchmark/string_split.yml @@ -1,7 +1,18 @@ prelude: | - str0 = [*0..9].join("") + str1 = [*0..5].join(" ") + " " + str10 = str1 * 10 + str100 = str10 * 10 + str1000 = str100 * 10 benchmark: - to_chars-1: str0.split('') - to_chars-10: (str0 * 10).split('') - to_chars-100: (str0 * 100).split('') - to_chars-1000: (str0 * 1000).split('') + to_chars-1: str1.split('') + to_chars-10: str10.split('') + to_chars-100: str100.split('') + to_chars-1000: str1000.split('') + to_words-1: str1.split(' ') + to_words-10: str10.split(' ') + to_words-100: str100.split(' ') + to_words-1000: str1000.split(' ') + re_space-1: str1.split(/ /) + re_space-10: str10.split(/ /) + re_space-100: str100.split(/ /) + re_space-1000: str1000.split(/ /) -- cgit v1.2.3