$ time lein --help ... lein --help 2,16s user 0,49s system 141% cpu 1,880 total $ time mix help ... mix help 0,51s user 0,51s system 129%

$ time lein --help ... lein --help 2,16s user 0,49s system 141% cpu 1,880 total $ time mix help ... mix help 0,51s user 0,51s system 129% cpu 0,789 total This difference compounds and it gets rather annoying quite fast.