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From: Colby Ranger <cranger@google.com>
To: Jeff King <peff@peff.net>
Cc: "Shawn Pearce" <spearce@spearce.org>,
	"Vicent Martí" <tanoku@gmail.com>, git <git@vger.kernel.org>
Subject: Re: [PATCH 09/16] documentation: add documentation for the bitmap format
Date: Wed, 26 Jun 2013 17:53:26 -0700	[thread overview]
Message-ID: <CAFFbUKJTh79-u-D89OAZxjCnfvyZ40DE_iwQ6e+zXSw88AY6PQ@mail.gmail.com> (raw)
In-Reply-To: <CAFFbUK+emr44o_2EHW2Y4o5fs8Livif_5D=G=NLDzE=2MEx6NQ@mail.gmail.com>

> +  Generating this reverse index at runtime is **not** free (around 900ms
> +  generation time for a repository like `torvalds/linux`), and once again,
> +  this generation time needs to happen every time `pack-objects` is
> +  spawned.

If generating the reverse index is expensive, it is probably
worthwhile to create a ".revidx" or extend the ".idx" with the
information sorted by offset.

  reply	other threads:[~2013-06-27  0:53 UTC|newest]

Thread overview: 64+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-24 23:22 [PATCH 00/16] Speed up Counting Objects with bitmap data Vicent Marti
2013-06-24 23:22 ` [PATCH 01/16] list-objects: mark tree as unparsed when we free its buffer Vicent Marti
2013-06-24 23:22 ` [PATCH 02/16] sha1_file: refactor into `find_pack_object_pos` Vicent Marti
2013-06-25 13:59   ` Thomas Rast
2013-06-24 23:23 ` [PATCH 03/16] pack-objects: use a faster hash table Vicent Marti
2013-06-25 14:03   ` Thomas Rast
2013-06-26  2:14     ` Jeff King
2013-06-26  4:47       ` Jeff King
2013-06-25 17:58   ` Ramkumar Ramachandra
2013-06-25 22:48   ` Junio C Hamano
2013-06-25 23:09     ` Vicent Martí
2013-06-24 23:23 ` [PATCH 04/16] pack-objects: make `pack_name_hash` global Vicent Marti
2013-06-24 23:23 ` [PATCH 05/16] revision: allow setting custom limiter function Vicent Marti
2013-06-24 23:23 ` [PATCH 06/16] sha1_file: export `git_open_noatime` Vicent Marti
2013-06-24 23:23 ` [PATCH 07/16] compat: add endinanness helpers Vicent Marti
2013-06-25 13:08   ` Peter Krefting
2013-06-25 13:25     ` Vicent Martí
2013-06-27  5:56       ` Peter Krefting
2013-06-24 23:23 ` [PATCH 08/16] ewah: compressed bitmap implementation Vicent Marti
2013-06-25  1:10   ` Junio C Hamano
2013-06-25 22:51     ` Junio C Hamano
2013-06-25 15:38   ` Thomas Rast
2013-06-24 23:23 ` [PATCH 09/16] documentation: add documentation for the bitmap format Vicent Marti
2013-06-25  5:42   ` Shawn Pearce
2013-06-25 19:33     ` Vicent Martí
2013-06-25 21:17       ` Junio C Hamano
2013-06-25 22:08         ` Vicent Martí
2013-06-27  1:11           ` Shawn Pearce
2013-06-27  2:36             ` Vicent Martí
2013-06-27  2:45               ` Jeff King
2013-06-27 16:07                 ` Shawn Pearce
2013-06-27 17:17                   ` Jeff King
2013-07-01 18:47                   ` Colby Ranger
2013-07-01 19:13                     ` Shawn Pearce
2013-07-07  9:46                     ` Jeff King
2013-07-07 17:27                       ` Shawn Pearce
2013-06-26  5:11       ` Jeff King
2013-06-26 18:41         ` Colby Ranger
2013-06-26 22:33           ` Colby Ranger
2013-06-27  0:53             ` Colby Ranger [this message]
2013-06-27  1:32               ` Shawn Pearce
2013-06-27  1:29         ` Shawn Pearce
2013-06-25 15:58   ` Thomas Rast
2013-06-25 22:30     ` Vicent Martí
2013-06-26 23:12       ` Thomas Rast
2013-06-26 23:19         ` Thomas Rast
2013-06-24 23:23 ` [PATCH 10/16] pack-objects: use bitmaps when packing objects Vicent Marti
2013-06-25 12:48   ` Ramkumar Ramachandra
2013-06-25 15:58   ` Thomas Rast
2013-06-25 23:06   ` Junio C Hamano
2013-06-25 23:14     ` Vicent Martí
2013-06-24 23:23 ` [PATCH 11/16] rev-list: add bitmap mode to speed up lists Vicent Marti
2013-06-25 16:22   ` Thomas Rast
2013-06-26  1:45     ` Vicent Martí
2013-06-26 23:13       ` Thomas Rast
2013-06-26  5:22     ` Jeff King
2013-06-24 23:23 ` [PATCH 12/16] pack-objects: implement bitmap writing Vicent Marti
2013-06-24 23:23 ` [PATCH 13/16] repack: consider bitmaps when performing repacks Vicent Marti
2013-06-25 23:00   ` Junio C Hamano
2013-06-25 23:16     ` Vicent Martí
2013-06-24 23:23 ` [PATCH 14/16] sha1_file: implement `nth_packed_object_info` Vicent Marti
2013-06-24 23:23 ` [PATCH 15/16] write-bitmap: implement new git command to write bitmaps Vicent Marti
2013-06-24 23:23 ` [PATCH 16/16] rev-list: Optimize --count using bitmaps too Vicent Marti
2013-06-25 16:05 ` [PATCH 00/16] Speed up Counting Objects with bitmap data Thomas Rast

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