From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <zsh-workers-return-29057-mason-zsh=primenet.com.au@zsh.org>
Received: (qmail 21020 invoked by alias); 26 Apr 2011 19:12:26 -0000
Mailing-List: contact zsh-workers-help@zsh.org; run by ezmlm
Precedence: bulk
X-No-Archive: yes
List-Id: Zsh Workers List <zsh-workers.zsh.org>
List-Post: <mailto:zsh-workers@zsh.org>
List-Help: <mailto:zsh-workers-help@zsh.org>
X-Seq: 29057
Received: (qmail 73 invoked from network); 26 Apr 2011 19:12:24 -0000
X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on f.primenet.com.au
X-Spam-Level: 
X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,DKIM_SIGNED,
	DKIM_VALID,RCVD_IN_DNSWL_LOW autolearn=ham version=3.3.1
Received-SPF: pass (ns1.primenet.com.au: SPF record at _spf.google.com designates 209.85.210.43 as permitted sender)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=gmail.com; s=gamma;
        h=domainkey-signature:mime-version:sender:in-reply-to:references:date
         :x-google-sender-auth:message-id:subject:from:to:cc:content-type
         :content-transfer-encoding;
        bh=vvSiRV+/+4fYOM37jEhUh7Ryn3lcUzks9ijN1FmjGhg=;
        b=utc6hL2XSUSVOOH9hUUq+agUUT9caua42ipwuunEgerpkSQOQQvKJUuPw669lHkkKd
         ph0FLn1O5Pp3WISWc6Nb0eHG/PQHx9dKCFsyg4GNQDecr6YoFuyf+n0PIPZMfsKYJKF/
         auOHD/EVHU+WmyaIIAISr4a7YpmFrRoSPZyXY=
DomainKey-Signature: a=rsa-sha1; c=nofws;
        d=gmail.com; s=gamma;
        h=mime-version:sender:in-reply-to:references:date
         :x-google-sender-auth:message-id:subject:from:to:cc:content-type
         :content-transfer-encoding;
        b=ZiEyqUXM7y25d/GvjDLMUcs2VbS1IpnOywyybpzRHLKBhkvakffPmJGNU7FImXpedr
         FyDCVAeEC4oqh92h03beG3H7sGyIqMAMl8NB1plZ5pCHJevHMTiXy2OW2bC9n6NkpZMi
         nm5szGF/tXQnw7bTsZTe++y86PCNMci54XqYk=
MIME-Version: 1.0
Sender: nikolai.weibull@gmail.com
In-Reply-To: <87liyw7t0o.fsf@ft.bewatermyfriend.org>
References: <BANLkTinKo=W8umz=JfneD3MNYdmv=xYhFQ@mail.gmail.com>
	<87liyw7t0o.fsf@ft.bewatermyfriend.org>
Date: Tue, 26 Apr 2011 21:06:39 +0200
X-Google-Sender-Auth: l9BPdqRxSJB58FICanSpt0EXJRs
Message-ID: <BANLkTinOA5Qm42jte6vdO4QhG2nbHEPuHA@mail.gmail.com>
Subject: Re: Slowness issue with git completion
From: Nikolai Weibull <now@bitwi.se>
To: Frank Terbeck <ft@bewatermyfriend.org>
Cc: Felipe Contreras <felipe.contreras@gmail.com>, zsh-workers@zsh.org
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

On Tue, Apr 26, 2011 at 20:43, Frank Terbeck <ft@bewatermyfriend.org> wrote=
:
> Felipe Contreras wrote:
>> It's very easy to reproduce:
>> % git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux=
-2.6.git
>> linux
>> % cd linux
>> % git log v<tab>
>>
>> It will take a looong time to figure out anything, specially if not
>> cached. I think I recall investigating the issue and finding that it's
>> looking for *all* the files in the git repo.
>
> Well yes. This is a known issue.
>
> I'm fairly sure that this is due to _multi_parts, which probably doesn't
> scale for jobs like that. =C2=A0I once gave rewriting all that a shot and
> ended up with a number of helpers for each "type" of file etc. (like
> modified or ignored files). =C2=A0While they were significantly quicker

How did you rewrite it?  I tried implementing it with
*(e:__git_cached:) (or similar), but that was, in my implementation, a
lot slower.  And this wasn=E2=80=99t even on Cygwin, where the forking make=
s
it even slower.