https://issues.dlang.org/show_bug.cgi?id=17161
--- Comment #4 from Dmitry Olshansky <dmitry.o...@gmail.com> --- (In reply to Dmitry Olshansky from comment #3) > (In reply to Jack Stouffer from comment #2) > > Bad news: I see a similar performance decrease for run-time regex as well. > > > > # 2.073.0 > > $ dmd -O -inline -release test2.d && cat input5000000.txt | time ./test2 > > ./test2 4.44s user 0.09s system 98% cpu 4.591 total > > > > # 2.072.2 > > ~/digger/result/bin/dmd -O -inline -release test2.d && cat input5000000.txt > > | time ./test2 > > ./test2 3.20s user 0.09s system 98% cpu 3.344 total > > > > I consistently get around a second and a half longer run time with 2.073. > > > > This is interesting find, thanks for sharing! > > Will investigate the R-T issue, C-T is (sadly) to be expected. Mystery solved - in R-T version regex is parsed at C-T (because of static) therefore the disabling of Kickstart affect it too. --
