Branch: refs/heads/master Home: https://github.com/MacRuby/MacRuby Commit: 1b7bd9a8453f2053231c2d9b9d212a169649cccd https://github.com/MacRuby/MacRuby/commit/1b7bd9a8453f2053231c2d9b9d212a1696... Author: Watson <watson1978@gmail.com> Date: 2013-06-19 (Wed, 19 Jun 2013) Changed paths: M re.c M re.h M string.c Log Message: ----------- refactor Commit: cd0c7b7a83cf138773f86315594b97582efdbf82 https://github.com/MacRuby/MacRuby/commit/cd0c7b7a83cf138773f86315594b97582e... Author: Watson <watson1978@gmail.com> Date: 2013-06-19 (Wed, 19 Jun 2013) Changed paths: M re.h Log Message: ----------- loop unrolling to improve the Objective-C methods performance in String object * before user system total real 2.310000 0.320000 2.630000 ( 3.078306) * after user system total real 1.560000 0.230000 1.790000 ( 2.309584) Test Code: ---- framework 'Foundation' require 'benchmark' Benchmark.bm do |x| str = "abc" * 100000000 x.report do str.writeToFile("test.txt", atomically:true, encoding:NSUTF8StringEncoding, error:nil) end end Compare: https://github.com/MacRuby/MacRuby/compare/729bf7893527...cd0c7b7a83cf