Re: [PATCH 2/5] diff --quiet

From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Mar 15, 2007, 16:08 UTC
Message-ID: <Pine.LNX.4.64.0703150900020.3816@woody.linux-foundation.org>
In-Reply-To: <7vy7lz3svl.fsf@assigned-by-dhcp.cox.net>

On Wed, 14 Mar 2007, Junio C Hamano wrote:

> >
> > The code is supposed to be there, but I haven't benched.
> 
> Now I have.

You da man!

> In the kernel repository, I ran this with 'master' version and 'next'
> version.  The latter uses the --quick mechanism in try_to_simplify.
> 
> $ /usr/bin/time git log -r --raw v2.6.19..master -- drivers/ | wc -l

> Three runs on a reasonably quiescent machine (hot cache).

Impressive, although not entirely surprising. "try_to_simplify()" is really the most performance-sensitive part of git.

I get a similar reduction for that load: 0:04.63 to 0:03.43 elapsed.

Good job.

		Linus