From: Jonathan Nieder <jrnieder@gmail.com>
To: Jeff King <peff@peff.net>
Cc: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>,
"Clemens Buchacher" <drizzd@aon.at>,
git@vger.kernel.org, "Junio C Hamano" <gitster@pobox.com>
Subject: Re: [PATCH 0/4] Speed up git tag --contains
Date: Wed, 6 Jul 2011 01:56:23 -0500 [thread overview]
Message-ID: <20110706065623.GB14164@elie> (raw)
In-Reply-To: <20110706064012.GA927@sigill.intra.peff.net>
Jeff King wrote:
> The problem is that existing objects don't have this generation number.
> It's easy to calculate, though, and we could in theory use a notes-cache
> to store it externally. Obviously the complexity and performance aren't
> going to be as good as if it were just in the commit object, but we're
> sadly 6 years too late to make that decision.
I am still digesting the rest of what you wrote, but wouldn't this be
easy to do today? One could just use a notes-cache while prototyping
and if it seems to work well, introduce new loose and packed object
formats that include a field for the cached generation number.
next prev parent reply other threads:[~2011-07-06 6:56 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-11 19:04 [PATCH 0/4] Speed up git tag --contains Ævar Arnfjörð Bjarmason
2011-06-11 19:04 ` [PATCH 1/4] tag: speed up --contains calculation Ævar Arnfjörð Bjarmason
2011-06-11 19:04 ` [PATCH 2/4] limit "contains" traversals based on commit timestamp Ævar Arnfjörð Bjarmason
2011-06-11 19:04 ` [PATCH 3/4] default core.clockskew variable to one day Ævar Arnfjörð Bjarmason
2011-06-11 19:04 ` [PATCH 4/4] Why is "git tag --contains" so slow? Ævar Arnfjörð Bjarmason
2011-07-06 6:40 ` [PATCH 0/4] Speed up git tag --contains Jeff King
2011-07-06 6:54 ` Jeff King
2011-07-06 19:06 ` Clemens Buchacher
2011-07-06 6:56 ` Jonathan Nieder [this message]
2011-07-06 7:03 ` Jeff King
2011-07-06 14:26 ` generation numbers (was: [PATCH 0/4] Speed up git tag --contains) Jakub Narebski
2011-07-06 15:01 ` Ted Ts'o
2011-07-06 18:12 ` Jeff King
2011-07-06 18:46 ` Jakub Narebski
2011-07-07 18:59 ` Jeff King
2011-07-07 19:34 ` generation numbers Junio C Hamano
2011-07-07 20:31 ` Jakub Narebski
2011-07-07 20:52 ` A Large Angry SCM
2011-07-08 0:29 ` Junio C Hamano
2011-07-08 22:57 ` Jeff King
2011-07-06 23:22 ` Junio C Hamano
2011-07-07 19:08 ` Jeff King
2011-07-07 20:10 ` Jakub Narebski
2018-01-12 18:56 ` [PATCH 0/4] Speed up git tag --contains csilvers
2018-03-03 5:15 ` Jeff King
2018-03-08 23:05 ` csilvers
2018-03-12 13:45 ` Derrick Stolee
2018-03-12 23:59 ` Jeff King
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=20110706065623.GB14164@elie \
--to=jrnieder@gmail.com \
--cc=avarab@gmail.com \
--cc=drizzd@aon.at \
--cc=git@vger.kernel.org \
--cc=gitster@pobox.com \
--cc=peff@peff.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).