On Wednesday, 18 November 2020 at 13:14:37 UTC, jmh530 wrote: > On Wednesday, 18 November 2020 at 10:05:06 UTC, Tobias Schmidt > wrote: > > It also looks like you are compiling on ldc with -mcpu=native > --boundscheck=off. Why not -O as well? -O is added by DUB