From: Junio C Hamano <gitster@pobox.com>
Date: Fri, 14 Dec 2007 07:03:57 GMT
Subject: Re: [PATCH 1/2] xdl_diff: identify call sites.
Message-ID: <7v4pelvjtu.fsf@gitster.siamese.dyndns.org>
In-Reply-To: <7vtzmmz0ov.fsf@gitster.siamese.dyndns.org>

Junio C Hamano <gitster@pobox.com> writes:

> This inserts a new function xdi_diff() that currently does not
> do anything other than calling the underlying xdl_diff() to the
> callchain of current callers of xdl_diff() function.
>
> Signed-off-by: Junio C Hamano <gitster@pobox.com>
> ---
>
>  Nicolas Pitre <nico@cam.org> writes:
>
>  > On Wed, 12 Dec 2007, Junio C Hamano wrote:
>  >
>  >> Here are the topics that have been cooking.
>  >
>  > What about the blame speedup patch from Linus (Message-ID: 
>  > <alpine.LFD.0.9999.0712111548200.25032@woody.linux-foundation.org>)
>
>  I would prefer to do a bit more generic solution, not a special hack for
>  speeding up blame on prepend-only files, with a proper log message.

FWIW, I re-ran the gcc/ChangeLog annotation Linus cited and got similar
improvements (about 4x speed-up) with his version and this version and
their results seem to match.  I'll apply these to 'master' and push the
results out.