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From: Junio C Hamano <gitster@pobox.com>
To: Jeff King <peff@peff.net>
Cc: git@vger.kernel.org
Subject: Re: [PATCH 05/13] rev-list: factor out bitmap-optimized routines
Date: Thu, 13 Feb 2020 10:34:45 -0800
Message-ID: <xmqq4kvus5dm.fsf@gitster-ct.c.googlers.com> (raw)
In-Reply-To: <20200213021820.GE1126038@coredump.intra.peff.net> (Jeff King's message of "Wed, 12 Feb 2020 21:18:20 -0500")

Jeff King <peff@peff.net> writes:

> There are a few operations in rev-list that are optimized for bitmaps.
> Rather than having the code inline in cmd_rev_list(), let's move them
> into helpers. This not only makes the flow of the main function simpler,
> but it lets us replace the complex "can we do the optimization?"
> conditionals with a series of early returns from the functions. That
> also makes it easy to add comments explaining those conditions.

... and these new comments makes the resulting code much easier to
follow.  Nicely done.


  reply index

Thread overview: 73+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-13  2:15 [PATCH 0/13] combining object filters and bitmaps Jeff King
2020-02-13  2:16 ` [PATCH 01/13] pack-bitmap: factor out type iterator initialization Jeff King
2020-02-13 17:45   ` Junio C Hamano
2020-02-13  2:16 ` [PATCH 02/13] pack-bitmap: fix leak of haves/wants object lists Jeff King
2020-02-13 18:12   ` Junio C Hamano
2020-02-13  2:17 ` [PATCH 03/13] rev-list: fallback to non-bitmap traversal when filtering Jeff King
2020-02-13 18:19   ` Junio C Hamano
2020-02-13 18:40     ` Jeff King
2020-02-13  2:17 ` [PATCH 04/13] rev-list: consolidate bitmap-disabling options Jeff King
2020-02-13  2:18 ` [PATCH 05/13] rev-list: factor out bitmap-optimized routines Jeff King
2020-02-13 18:34   ` Junio C Hamano [this message]
2020-02-13  2:19 ` [PATCH 06/13] rev-list: make --count work with --objects Jeff King
2020-02-13 19:14   ` Junio C Hamano
2020-02-13 20:27     ` Jeff King
2020-02-13  2:20 ` [PATCH 07/13] rev-list: allow bitmaps when counting objects Jeff King
2020-02-13 21:47   ` Junio C Hamano
2020-02-13 22:27     ` Jeff King
2020-02-13  2:20 ` [PATCH 08/13] pack-bitmap: basic noop bitmap filter infrastructure Jeff King
2020-02-13  2:21 ` [PATCH 09/13] rev-list: use bitmap filters for traversal Jeff King
2020-02-13 22:22   ` Junio C Hamano
2020-02-13 22:34     ` Jeff King
2020-02-13  2:21 ` [PATCH 10/13] bitmap: add bitmap_unset() function Jeff King
2020-02-13  2:23 ` [PATCH 11/13] pack-bitmap: implement BLOB_NONE filtering Jeff King
2020-02-13  2:25 ` [PATCH 12/13] pack-bitmap: implement BLOB_LIMIT filtering Jeff King
2020-02-13 23:17   ` Junio C Hamano
2020-02-13  2:25 ` [PATCH 13/13] pack-objects: support filters with bitmaps Jeff King
2020-02-14 18:21 ` [PATCH v2 0/15] combining object filters and bitmaps Jeff King
2020-02-14 18:22   ` [PATCH v2 01/15] pack-bitmap: factor out type iterator initialization Jeff King
2020-02-15  0:10     ` Taylor Blau
2020-02-14 18:22   ` [PATCH v2 02/15] pack-bitmap: fix leak of haves/wants object lists Jeff King
2020-02-15  0:15     ` Taylor Blau
2020-02-15  6:46       ` Jeff King
2020-02-18 17:58     ` Derrick Stolee
2020-02-18 20:02       ` Jeff King
2020-02-14 18:22   ` [PATCH v2 03/15] rev-list: fallback to non-bitmap traversal when filtering Jeff King
2020-02-15  0:22     ` Taylor Blau
2020-02-14 18:22   ` [PATCH v2 04/15] pack-bitmap: refuse to do a bitmap traversal with pathspecs Jeff King
2020-02-14 19:03     ` Junio C Hamano
2020-02-14 20:51       ` Jeff King
2020-02-14 18:22   ` [PATCH v2 05/15] rev-list: factor out bitmap-optimized routines Jeff King
2020-02-15  0:35     ` Taylor Blau
2020-02-14 18:22   ` [PATCH v2 06/15] rev-list: make --count work with --objects Jeff King
2020-02-15  0:42     ` Taylor Blau
2020-02-15  6:48       ` Jeff King
2020-02-16 23:34         ` Junio C Hamano
2020-02-18  5:24           ` Jeff King
2020-02-18 17:28             ` Junio C Hamano
2020-02-18 19:55               ` Jeff King
2020-02-18 21:19                 ` Junio C Hamano
2020-02-18 21:23                   ` Jeff King
2020-02-18 18:05     ` Derrick Stolee
2020-02-18 19:59       ` Jeff King
2020-02-14 18:22   ` [PATCH v2 07/15] rev-list: allow bitmaps when counting objects Jeff King
2020-02-15  0:45     ` Taylor Blau
2020-02-15  6:55       ` Jeff King
2020-02-16 23:36         ` Junio C Hamano
2020-02-14 18:22   ` [PATCH v2 08/15] t5310: factor out bitmap traversal comparison Jeff King
2020-02-15  2:14     ` Taylor Blau
2020-02-15  7:00       ` Jeff King
2020-02-14 18:22   ` [PATCH v2 09/15] rev-list: allow commit-only bitmap traversals Jeff King
2020-02-18 18:18     ` Derrick Stolee
2020-02-18 20:05       ` Jeff King
2020-02-18 20:11         ` Derrick Stolee
2020-02-14 18:22   ` [PATCH v2 10/15] pack-bitmap: basic noop bitmap filter infrastructure Jeff King
2020-02-14 18:22   ` [PATCH v2 11/15] rev-list: use bitmap filters for traversal Jeff King
2020-02-14 18:22   ` [PATCH v2 12/15] bitmap: add bitmap_unset() function Jeff King
2020-02-14 18:22   ` [PATCH v2 13/15] pack-bitmap: implement BLOB_NONE filtering Jeff King
2020-02-18 19:26     ` Derrick Stolee
2020-02-18 19:36       ` Derrick Stolee
2020-02-18 20:30         ` Jeff King
2020-02-18 20:24       ` Jeff King
2020-02-14 18:22   ` [PATCH v2 14/15] pack-bitmap: implement BLOB_LIMIT filtering Jeff King
2020-02-14 18:22   ` [PATCH v2 15/15] pack-objects: support filters with bitmaps Jeff King

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