4 ms·Not GHC, but GCC 6.3 with -O2 is https://godbolt.org/g/ATkIr1 https://godbolt.org/g/ATkIr1 for reference.by grenoire 10y agoNot GHC, but GCC 6.3 with -O2 is https://godbolt.org/g/ATkIr1 https://godbolt.org/g/ATkIr1 for reference.