Before Rakudo build real 2m9.893s user 2m7.468s sys 0m1.804s CORE.setting compilation Stage start : 0.000 Stage parse : 74.166 Stage syntaxcheck: 0.000 Stage ast : 0.000 Stage optimize : 10.447 Stage mast : 17.192 Stage mbc : 0.212 CORE.setting compilation memory 101.18user 1.01system 1:42.50elapsed 99%CPU (0avgtext+0avgdata 1375456maxresident)k 0inputs+23216outputs (0major+333394minor)pagefaults 0swaps After Rakudo build real 1m49.966s user 1m47.724s sys 0m1.472s CORE.setting compilation Stage start : 0.000 Stage parse : 62.396 Stage syntaxcheck: 0.000 Stage ast : 0.000 Stage optimize : 7.235 Stage mast : 12.640 Stage mbc : 0.202 CORE.setting compilation memory 82.49user 0.81system 1:23.38elapsed 99%CPU (0avgtext+0avgdata 1244512maxresident)k 0inputs+23216outputs (0major+301113minor)pagefaults 0swaps