Re: [PATCH v2 1/3] autoconf: prefer an unrolled loop for trivial AC_CHECK_FUNCS

Il 02/nov/2016 22:27, "Eric Blake" <[email protected]> ha scritto:
> I tested this with coreutils.  Timing wise, on my system, I was able to
> consistently see a reduction of './config.status --recheck' execution
> time from around 34.3s pre-patch, to around 33.9s post-patch; a little
> better than 1%.  That's not huge, but big enough that I can say it is a
> real improvement and not just measurement noise.

This makes sense, since I got 3% from the while series of three. Your
measurements still have the cat(1) fork for AC_DEFINE_UNQUOTED, for example.

Paolo