Issue #11080 has been updated by Guo Xiang Tan. Thank you for your work Nobu! ---------------------------------------- Bug #11080: [PERF] bm_so_concatenate.rb regression https://bugs.ruby-lang.org/issues/11080#change-52332 * Author: Guo Xiang Tan * Status: Closed * Priority: Normal * Assignee: Nobuyoshi Nakada * ruby -v: ruby 2.3.0dev (2015-04-17 trunk 50336) [x86_64-linux] * Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: UNKNOWN ---------------------------------------- http://rubybench.org/ruby/ruby/commits?result_type=so_concatenate&display_count=1000 Hi, I spotted a regression on bm_so_concatenate.rb due to https://github.com/ruby/ruby/commit/b3626b3. Before b3626b3: 2.665s After b3626b3: 5.377s Do let me know if there are more information that I can provide to help out with this issue. Thank you in advance! -- https://bugs.ruby-lang.org/