Re: [PATCH/RFC v2 0/3] git checkout optimisation - part 3

From: Junio C Hamano <gitster@pobox.com>
Date: Feb 20, 2009, 08:35 UTC
Message-ID: <7vfxi9fqup.fsf@gitster.siamese.dyndns.org>
In-Reply-To: <cover.1235071656.git.barvik@broadpark.no>

Kjetil Barvik <barvik@broadpark.no> writes:

Show 19 quoted lines

> Changes sine v1 
> (v1 was posted with subject "The ext4 filesystem and racy git")
>
>
> -- patch 2/3 --
>    Added missing timestamp => timestamp.(u)sec update for
>    unpack-trees.c
>
> -- patch 3/3 --
>    New patch which removes some 14300 lstat(2) calls, and the total is
>    now at 41677 calls, or 1.382 calls/unique string to lstat() for the
>    reference 'git checkout'-test to Linux tag v2.6.27.
>
>    Total reduction so far for all the lstat/git checkout optimisation
>    patches has been 120954 - 41677 = 79277 calls.  Some 14400 fstat(2)
>    calls is added, but those should be faster than simmilar lstat()
>    calls.
>
> (patch-series based on master)

Hmm, have you noticed that the rest of the stuff are queued on 'next'? Not that it matters in this case...