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From: "Mike Ralphson" <mike.ralphson@gmail.com>
To: "Johannes Schindelin" <Johannes.Schindelin@gmx.de>
Cc: "Steffen Prohaska" <prohaska@zib.de>,
	"Junio C Hamano" <gitster@pobox.com>,
	"Nicolas Pitre" <nico@cam.org>,
	"Linus Torvalds" <torvalds@linux-foundation.org>,
	"Jakub Narebski" <jnareb@gmail.com>,
	"Git Mailing List" <git@vger.kernel.org>
Subject: Re: Some git performance measurements..
Date: Fri, 7 Dec 2007 19:15:36 +0000	[thread overview]
Message-ID: <e2b179460712071115k369dddcatb0f6456d0028acbb@mail.gmail.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0712071816100.27959@racer.site>

On Dec 7, 2007 6:37 PM, Johannes Schindelin <Johannes.Schindelin@gmx.de> wrote:
> On Fri, 7 Dec 2007, Mike Ralphson wrote:
>
> > On Dec 7, 2007 1:49 PM, Johannes Schindelin <Johannes.Schindelin@gmx.de> wrote:
> > > On Fri, 7 Dec 2007, Mike Ralphson wrote:
> > >
> > > > I benchmarked 3 alternative qsorts, qsortG [2] was the fastest on my
> > > > system but has funky licensing, the NetBSD qsort was middle-range
> > > > and the glibc one the slowest of the three (but that could be due to
> > > > it being tuned for a "Sun 4/260"). All of them show over 100x speed
> > > > improvements on a git-status of my main repo (104s -> ~0.7s)
> > >
>
> Okay, sorry, I did not bother reading further when I read "You may use it
> in anything you like;".
>
> But if the author did not respond, it might be a better idea to just
> reimplement it.
>

I've just tried the mergesort implementation as used in msysgit and
that performs faster for me. It's simpler, and compatibly licensed. It
looks good.

Mike

  reply	other threads:[~2007-12-07 19:16 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-29  2:49 Some git performance measurements Linus Torvalds
2007-11-29  3:14 ` Linus Torvalds
2007-11-29  3:59   ` Nicolas Pitre
2007-11-29  4:32     ` Linus Torvalds
2007-11-29 17:25       ` Nicolas Pitre
2007-11-29 17:48         ` Linus Torvalds
2007-11-29 18:52           ` Nicolas Pitre
2007-11-30  5:00           ` Junio C Hamano
2007-11-30  6:03             ` Linus Torvalds
2007-11-30  0:54         ` Jakub Narebski
2007-11-30  2:21           ` Linus Torvalds
2007-11-30  2:39             ` Jakub Narebski
2007-11-30  2:40             ` Nicolas Pitre
2007-11-30  6:11               ` Steffen Prohaska
2007-12-07 13:35                 ` Mike Ralphson
2007-12-07 13:49                   ` Johannes Schindelin
2007-12-07 16:07                     ` Linus Torvalds
2007-12-07 16:09                     ` Mike Ralphson
2007-12-07 18:37                       ` Johannes Schindelin
2007-12-07 19:15                         ` Mike Ralphson [this message]
2007-12-08 11:05                           ` Johannes Schindelin
2007-12-08 23:04                             ` Brian Downing
2007-11-30  2:54             ` Linus Torvalds
2007-12-05  1:04               ` Federico Mena Quintero
2007-12-01 11:36   ` Joachim B Haga
2007-12-01 17:19     ` Linus Torvalds
2007-11-29  5:17 ` Junio C Hamano
2007-11-29 10:17   ` [PATCH] per-directory-exclude: lazily read .gitignore files Junio C Hamano

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