From: djberg96@... Date: 2020-12-27T23:59:49+00:00 Subject: [ruby-core:101761] [Ruby master Bug#17483] Array#insert is pathologically slow Issue #17483 has been reported by djberg96 (Daniel Berger). ---------------------------------------- Bug #17483: Array#insert is pathologically slow https://bugs.ruby-lang.org/issues/17483 * Author: djberg96 (Daniel Berger) * Status: Open * Priority: Normal * ruby -v: ruby 2.6.6p146 (2020-03-31 revision 67876) [x86_64-darwin19] * Backport: 2.5: UNKNOWN, 2.6: UNKNOWN, 2.7: UNKNOWN ---------------------------------------- I ran some generic Array method benchmarks: https://github.com/djberg96/berger_spec/blob/ruby23/bench/core/bench_array.rb (comment out nitems first) https://github.com/djberg96/berger_spec/blob/ruby23/bench/core/Array/bench_insert.rb What I noticed is that all of these complete in a fraction of a second, except Array#insert, which takes about 6-8 seconds on my Mac desktop. Is this unavoidable? -- https://bugs.ruby-lang.org/ Unsubscribe: