hkdnet.hatenablog.com ~/.g/g/h/m/y/E22 ❯❯❯ ruby -v ruby 2.6.0preview2 (2018-05-31 trunk 63539) [x86_64-darwin17] ~/.g/g/h/m/y/E22 ❯❯❯ time ruby --jit test.rb 略 NG: 0 ruby --jit test.rb 711.81s user 95.96s system 27% cpu 48:08.82 total は…