Boehm is actually often the fastest these days, and it has the best support for shared libraries and threading. Its downside is that it's not for realtime.
`--newruntime` is very likely to stay as the much better alternative for `--gc:none`. > Where can I find libbohem.dll for 64 bit windows? I was not able to compile > it from source. They are now included [here](https://nim-lang.org/download/windeps.7z)
