From: Andreas Ericsson <ae@op5.se>
To: Junio C Hamano <junkio@cox.net>
Cc: Bahadir Balban <bahadir.balban@gmail.com>,
git@vger.kernel.org,
Johannes Schindelin <Johannes.Schindelin@gmx.de>,
Andy Parkins <andyparkins@gmail.com>
Subject: Re: Adding a new file as if it had existed
Date: Wed, 13 Dec 2006 10:40:28 +0100 [thread overview]
Message-ID: <457FCA8C.6000300@op5.se> (raw)
In-Reply-To: <7vzm9tuft7.fsf@assigned-by-dhcp.cox.net>
Junio C Hamano wrote:
> "Bahadir Balban" <bahadir.balban@gmail.com> writes:
>
> There is one thing we could further optimize, though.
>
> Switching branches with 100k blobs in a commit even when there
> are a handful paths different between the branches would still
> need to populate the index by reading two trees and collapsing
> them into a single stage. In theory, we should be able to do a
> lot better if two-tree case of read-tree took advanrage of
> cache-tree information. If ce_match_stat() says Ok for all
> paths in a subdirectory and the cached tree object name for that
> subdirectory in the index match what we are reading from the new
> tree, we should be able to skip reading that subdirectory (and
> its subdirectories) from the new tree object at all.
>
> Anybody interested to give it a try?
>
I'm not vell-versed enough in git internals to have my hopes high of
making something useful of it, but if you give me a pointer of where to
start I'd be happy to try, and perhaps learn something in the process.
--
Andreas Ericsson andreas.ericsson@op5.se
OP5 AB www.op5.se
next prev parent reply other threads:[~2006-12-13 9:40 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-12 10:05 Adding a new file as if it had existed Bahadir Balban
2006-12-12 10:13 ` Junio C Hamano
2006-12-12 11:32 ` Bahadir Balban
2006-12-12 12:07 ` Johannes Schindelin
2006-12-12 12:26 ` Andy Parkins
2006-12-12 13:20 ` Andreas Ericsson
2006-12-12 18:31 ` Junio C Hamano
2006-12-13 9:40 ` Andreas Ericsson [this message]
2006-12-13 15:46 ` Johannes Schindelin
2006-12-13 15:52 ` Andreas Ericsson
2006-12-12 12:36 ` Jakub Narebski
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: http://vger.kernel.org/majordomo-info.html
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=457FCA8C.6000300@op5.se \
--to=ae@op5.se \
--cc=Johannes.Schindelin@gmx.de \
--cc=andyparkins@gmail.com \
--cc=bahadir.balban@gmail.com \
--cc=git@vger.kernel.org \
--cc=junkio@cox.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://80x24.org/mirrors/git.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).