From mboxrd@z Thu Jan  1 00:00:00 1970
From: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Subject: Re: That improved git-gui blame viewer..
Date: Wed, 13 Jun 2007 15:58:00 +0100 (BST)
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Cc: Junio C Hamano <gitster@pobox.com>,
	"Shawn O. Pearce" <spearce@spearce.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
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To: Marco Costalba <mcostalba@gmail.com>
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Hi,

On Wed, 13 Jun 2007, Marco Costalba wrote:

> On 6/13/07, Johannes Schindelin <Johannes.Schindelin@gmx.de> wrote:
> > >
> > > then running: git log --pretty=raw -z --parents --boundary HEAD > tmp.txt
> > 
> > Isn't that a bit unfair? You should have passed "--pretty=raw" to
> > rev-list, too.
> > 
> > Since you already have that tree, could you try rev-list _with_
> > "--pretty=raw", just for comparison?
> > 
> 
> Of course, here we are
> 
> running: git rev-list --pretty=raw --parents --boundary HEAD > tmp.txt
> 
> times are: 1,16s - 1,11s - 1,13s

I just tested on cygwin. The funny thing is, I never get anything like 8 
seconds (this is on git.git itself).

For me it is

~1.0s	rev-list _without_ --pretty=raw
~1.6s	rev-list _with_ --pretty=raw
~1.4s	log _with_ --pretty=raw
~3.5s	log _with_ --pretty=raw _and_ -z (!)

So, your delay could stem from -z doing weird things.

For fun, I also did it with the MinGW port:

~0.7s	rev-list _without_ --pretty=raw
~1.0s	rev-list _with_ --pretty=raw
~0.8s	log _with_ --pretty=raw
~1.9s	log _with_ --pretty=raw _and_ -z (!)

Draw your conclusions, gentlemen.

Ciao,
Dscho