From: Jeff King <peff@peff.net>
Date: Fri, 21 Oct 2016 08:24:09 GMT
Subject: Re: Drastic jump in the time required for the test suite
Message-ID: <20161021082409.isgrvurv4ttra7ai@sigill.intra.peff.net>
In-Reply-To: <4d97fcc7-d15b-e7d8-c787-483c67d4a66b@kdbg.org>

On Fri, Oct 21, 2016 at 07:27:40AM +0200, Johannes Sixt wrote:

> Am 20.10.2016 um 23:38 schrieb Jeff King:
> > 	test_cmp () {
> > 		# optimize for common "they are the same" case
> > 		# without any subshells or subprograms
> 
> We do this already on Windows; it's the function mingw_test_cmp in our test
> suite:
> https://github.com/git/git/blob/master/t/test-lib-functions.sh#L884-L945

Ah, thanks, I didn't even think to look for an existing solution like
this. Looks like it was done for LF/CRLF reasons, though, not
performance. I wonder if anybody has measured whether it improves things
there or not.

-Peff