Re: faster m4_qlen

[Ralf Wildenhues]

Hi Eric,

* Eric Blake wrote on Thu, Oct 16, 2008 at 06:55:14PM CEST:
> While trying to figure out whether m4_curry will be a win or not, I noticed 
> this low-hanging fruit.  It dropped the speed of 'autoconf -f' on coreutils 
> from 16.441s to 15.786s (or about 4% improvement).

Nice one!

> Subject: [PATCH] Speed up m4_qlen with caching.
> 
> * lib/m4sugar/m4sugar.m4 (_m4_qlen): Renamed from old m4_qlen.
> (m4_qlen): Cache results for speed.

Cheers,
Ralf