From: Christian Couder <christian.couder@gmail.com>
To: Jonathan Tan <jonathantanmy@google.com>
Cc: git <git@vger.kernel.org>, Junio C Hamano <gitster@pobox.com>,
Jeff King <peff@peff.net>,
Christian Couder <chriscool@tuxfamily.org>,
Ramsay Jones <ramsay@ramsayjones.plus.com>
Subject: Re: [RFC PATCH 05/10] pack-bitmap: don't rely on bitmap_git->reuse_objects
Date: Fri, 11 Oct 2019 09:50:01 +0200 [thread overview]
Message-ID: <CAP8UFD0mZgN5=Bva6drLoAusMTomTZ9X=jRCeGgrTBK-mxCBLw@mail.gmail.com> (raw)
In-Reply-To: <20191010234408.170356-1-jonathantanmy@google.com>
On Fri, Oct 11, 2019 at 1:44 AM Jonathan Tan <jonathantanmy@google.com> wrote:
>
> > As we now allocate 2 more words than necessary for each
> > bitmap to serve as marks telling us that we can stop
> > iterating over the words, we don't need to rely on
> > bitmap_git->reuse_objects to stop iterating over the words.
>
> As Peff states [1], this justification is probably incorrect as well.
> The actual justification seems to be that we will no longer compute
> reuse_objects (in a future patch), so we cannot rely on it anymore to
> terminate the loop early; we have to iterate to the end.
>
> [1] https://public-inbox.org/git/20191002155721.GD6116@sigill.intra.peff.net/
Ok, thanks! I will change the description.
next prev parent reply other threads:[~2019-10-11 7:50 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-13 13:02 [RFC PATCH 00/10] Rewrite packfile reuse code Christian Couder
2019-09-13 13:02 ` [RFC PATCH 01/10] builtin/pack-objects: report reused packfile objects Christian Couder
2019-09-13 13:02 ` [RFC PATCH 02/10] packfile: expose get_delta_base() Christian Couder
2019-09-13 13:02 ` [RFC PATCH 03/10] ewah/bitmap: introduce bitmap_word_alloc() Christian Couder
2019-09-13 13:02 ` [RFC PATCH 04/10] ewah/bitmap: always allocate 2 more words Christian Couder
2019-10-10 23:40 ` Jonathan Tan
2019-10-11 7:49 ` Christian Couder
2019-10-11 18:05 ` Jeff King
2019-09-13 13:02 ` [RFC PATCH 05/10] pack-bitmap: don't rely on bitmap_git->reuse_objects Christian Couder
2019-10-10 23:44 ` Jonathan Tan
2019-10-11 7:50 ` Christian Couder [this message]
2019-09-13 13:02 ` [RFC PATCH 06/10] pack-bitmap: introduce bitmap_walk_contains() Christian Couder
2019-09-13 13:02 ` [RFC PATCH 07/10] csum-file: introduce hashfile_total() Christian Couder
2019-09-13 13:02 ` [RFC PATCH 08/10] pack-objects: introduce pack.allowPackReuse Christian Couder
2019-09-13 21:37 ` Junio C Hamano
2019-09-13 13:02 ` [RFC PATCH 09/10] builtin/pack-objects: introduce obj_is_packed() Christian Couder
2019-09-13 13:02 ` [RFC PATCH 10/10] pack-objects: improve partial packfile reuse Christian Couder
2019-09-13 22:29 ` Junio C Hamano
2019-09-14 2:02 ` Jeff King
2019-09-14 3:06 ` Junio C Hamano
2019-10-02 15:57 ` Jeff King
2019-10-03 2:06 ` Junio C Hamano
2019-10-03 6:55 ` Christian Couder
2019-10-10 23:59 ` Jonathan Tan
2019-10-11 7:39 ` Christian Couder
2019-10-11 18:01 ` Jeff King
2019-10-11 21:04 ` Jonathan Tan
2019-10-12 0:04 ` Junio C Hamano
2019-10-13 7:38 ` Jeff King
2019-10-17 7:03 ` Junio C Hamano
2019-10-17 7:23 ` Jeff King
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