Not sure what you want to test, though I'd bet that if you post questions on forum.nim-lang.org then you will get good help. Anyway, to maybe get you started,

Not sure what you want to test, though I'd bet that if you post questions on forum.nim-lang.org then you will get good help. Anyway, to maybe get you started, Nim compile speed is usually best with a tcc backend (nim c --cc:tcc or set that in config.nims/nim.cfg). Meanwhile, run-time speed is usually best with gcc PGO.