view comparison.txt @ 1187:120aa5fc7ced

From mercurial-bounces@selenic.com Thu Sep 1 07:01:32 2005 Return-Path: <mercurial-bounces@selenic.com> X-Original-To: bos@serpentine.com Delivered-To: bos@serpentine.com Received: from waste.org (waste.org [216.27.176.166]) by demesne.serpentine.com (Postfix) with ESMTP id 3616A20B571 for <bos@serpentine.com>; Thu, 1 Sep 2005 07:01:32 -0700 (PDT) Received: from waste.org (localhost [127.0.0.1]) by waste.org (8.13.4/8.13.4/Debian-3) with ESMTP id j81DxodQ028829; Thu, 1 Sep 2005 08:59:51 -0500 Received: from web32904.mail.mud.yahoo.com (web32904.mail.mud.yahoo.com [68.142.206.51]) by waste.org (8.13.4/8.13.4/Debian-3) with SMTP id j81DxnNA028824 for <mercurial@selenic.com>; Thu, 1 Sep 2005 08:59:49 -0500 Received: (qmail 25859 invoked by uid 60001); 1 Sep 2005 13:59:17 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:Received:Date:From:Subject:To:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=O6sELrlCknW3M/gKVqijWs82e/CbDEum1sEitcuLKXaP9dHU175PszOqMgcSKykMY+BVXtcH3NeaXLM3FyBmqNkoPAvesezyFbgQsHSM1S028oOexybCKMvtGQJmz66hzd1fDb0QoPj1gCcGU2VDevQaOesSmo1xF9jJwy2LlLE= ; Message-ID: <20050901135917.25856.qmail@web32904.mail.mud.yahoo.com> Received: from [60.48.222.94] by web32904.mail.mud.yahoo.com via HTTP; Thu, 01 Sep 2005 06:59:17 PDT Date: Thu, 1 Sep 2005 06:59:17 -0700 (PDT) From: TK Soh <teekaysoh@yahoo.com> To: mercurial@selenic.com In-Reply-To: <20050828075808.GO27787@waste.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 X-Virus-Scanned: by amavisd-new Subject: Re: add -p to hg tip X-BeenThere: mercurial@selenic.com X-Mailman-Version: 2.1.5 Precedence: list List-Id: mercurial.selenic.com List-Unsubscribe: <http://selenic.com/mailman/listinfo/mercurial>, <mailto:mercurial-request@selenic.com?subject=unsubscribe> List-Archive: <http://www.selenic.com/pipermail/mercurial> List-Post: <mailto:mercurial@selenic.com> List-Help: <mailto:mercurial-request@selenic.com?subject=help> List-Subscribe: <http://selenic.com/mailman/listinfo/mercurial>, <mailto:mercurial-request@selenic.com?subject=subscribe> Sender: mercurial-bounces@selenic.com Errors-To: mercurial-bounces@selenic.com X-Spam-Checker-Version: SpamAssassin 3.0.4 (2005-06-05) on demesne.serpentine.com X-Spam-Level: X-Spam-Status: No, score=-1.6 required=5.0 tests=AWL,BAYES_00 autolearn=ham version=3.0.4 X-Evolution-Source: imap://bos@www.serpentine.com/ Content-Transfer-Encoding: 8bit
author bos@serpentine.internal.keyresearch.com
date Thu, 01 Sep 2005 07:47:26 -0700
parents 17e66e1a0382
children 2073e5a71008
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                    Mercurial      git                     BK (*)
storage             revlog delta   compressed revisions    SCCS weave
storage naming      by filename    by revision hash        by filename
merge               file DAGs      changeset DAG           file DAGs?
consistency         SHA1           SHA1                    CRC
signable?           yes            yes                     no       

retrieve file tip   O(1)           O(1)                    O(revs)
add rev             O(1)           O(1)                    O(revs)
find prev file rev  O(1)           O(changesets)           O(revs)
annotate file       O(revs)        O(changesets)           O(revs)
find file changeset O(1)           O(changesets)           ?

checkout            O(files)       O(files)                O(revs)?
commit              O(changes)     O(changes)              ?
                    6 patches/s    6 patches/s             slow
diff working dir    O(changes)     O(changes)              ?
                    < 1s           < 1s                    ?
tree diff revs      O(changes)     O(changes)              ?
                    < 1s           < 1s                    ?
hardlink clone      O(files)       O(revisions)            O(files)

find remote csets   O(log new)     rsync: O(revisions)     ?
                                   git-http: O(changesets)
pull remote csets   O(patch)       O(modified files)       O(patch)

repo growth         O(patch)       O(revisions)            O(patch)
 kernel history     300M           3.5G?                   250M?
lines of code       2500           6500 (+ cogito)         ??

* I've never used BK so this is just guesses