improve rustc wrapper startup time? · Issue #2626 · rust-lang/rustup (original) (raw)

time ~/.rustup/toolchains/master/bin/rustc >& /dev/null
0,040 total

time ~/.cargo/bin/rustc >& /dev/null
0,272 total

That's almost 7x slower.
I wonder if there is some something we can do to get these numbers a bit closer?