On 01.04.21 21:00, Berni44 wrote: > ``` > ldc2 -O3 -release -boundscheck=off -flto=full > -defaultlib=phobos2-ldc-lto,druntime-ldc-lto speed.d > ``` Please don't recommend `-boundscheck=off` to newbies. It's not just an optimization. It breaks @safe. If you want to do welding without eye protection, that's on you. But please don't recommend it to the new guy.