From: Johan Herland <johan@herland.net>
To: Alex Riesen <raa.lkml@gmail.com>
Cc: Johannes Schindelin <Johannes.Schindelin@gmx.de>,
git@vger.kernel.org, gitster@pobox.com, trast@student.ethz.ch,
tavestbo@trolltech.com, git@drmicha.warpmail.net,
chriscool@tuxfamily.org, spearce@spearce.org
Subject: Re: [RFC] Use a 16-tree instead of a 256-tree for storing notes
Date: Wed, 26 Aug 2009 14:56:55 +0200 [thread overview]
Message-ID: <200908261456.55906.johan@herland.net> (raw)
In-Reply-To: <81b0412b0908260505m233d9a5cmefdd81e1ef51a299@mail.gmail.com>
On Wednesday 26 August 2009, Alex Riesen wrote:
> On Wed, Aug 26, 2009 at 12:31, Johan Herland<johan@herland.net> wrote:
> > The 256-tree structure is considerably faster than storing all
> > entries in a
>
> This part is confusing. Was 256-tree better (as in "faster") then?
256-tree is faster than the everything-in-hash_map draft.
16-tree is slightly faster than 256-tree
256-tree uses more memory (in the worst case) that the
everything-in-hash-map draft.
16-tree uses less memory than both.
Makes sense?
...Johan
--
Johan Herland, <johan@herland.net>
www.herland.net
next prev parent reply other threads:[~2009-08-26 13:04 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-29 2:25 [PATCHv3 0/8] RESEND: git notes Johan Herland
2009-07-29 2:25 ` [PATCHv3 1/8] Introduce commit notes Johan Herland
2009-07-29 8:52 ` Alex Riesen
2009-07-29 16:40 ` Johannes Schindelin
2009-07-30 0:50 ` Johan Herland
2009-07-30 1:14 ` Johannes Schindelin
2009-07-30 0:42 ` Johan Herland
2009-07-29 2:25 ` [PATCHv3 2/8] Add a script to edit/inspect notes Johan Herland
2009-07-29 2:25 ` [PATCHv3 3/8] Speed up git notes lookup Johan Herland
2009-07-29 2:25 ` [PATCHv3 4/8] Add an expensive test for git-notes Johan Herland
2009-07-29 2:25 ` [PATCHv3 5/8] Teach "-m <msg>" and "-F <file>" to "git notes edit" Johan Herland
2009-07-29 7:57 ` Thomas Rast
2009-07-30 1:02 ` Johan Herland
2009-07-29 2:25 ` [PATCHv3 6/8] First draft of notes tree parser with support for fanout subtrees Johan Herland
2009-07-29 16:45 ` Johannes Schindelin
2009-07-30 0:18 ` Testing performance of the notes lookup code (Was: [PATCHv3 6/8] First draft of notes tree parser with support for fanout subtrees) Johan Herland
2009-08-01 2:36 ` [RFC] First draft of 256-tree structure for storing notes Johan Herland
2009-08-13 3:00 ` [RFC] Store subtree entries in the same hash map as the note entries Johan Herland
2009-08-26 10:31 ` [RFC] Use a 16-tree instead of a 256-tree for storing notes Johan Herland
2009-08-26 12:05 ` Alex Riesen
2009-08-26 12:56 ` Johan Herland [this message]
2009-08-26 13:24 ` Alex Riesen
2009-08-26 13:27 ` Andreas Ericsson
2009-08-26 14:43 ` Johan Herland
2009-08-27 11:56 ` Johannes Schindelin
2009-07-29 2:25 ` [PATCHv3 7/8] fast-import: Add support for importing commit notes Johan Herland
2009-07-29 14:21 ` Shawn O. Pearce
2009-07-30 1:29 ` Johan Herland
2009-07-29 2:25 ` [PATCHv3 8/8] t3302-notes-index-expensive: Speed up create_repo() Johan Herland
2009-07-29 16:46 ` Johannes Schindelin
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