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From: Junio C Hamano <gitster@pobox.com>
To: Elijah Newren <newren@gmail.com>
Cc: Derrick Stolee <stolee@gmail.com>,
	Elijah Newren via GitGitGadget <gitgitgadget@gmail.com>,
	Git Mailing List <git@vger.kernel.org>
Subject: Re: [PATCH 3/3] diff: correct warning message when renameLimit exceeded
Date: Tue, 13 Jul 2021 18:10:34 -0700	[thread overview]
Message-ID: <xmqqim1dzomt.fsf@gitster.g> (raw)
In-Reply-To: <CABPp-BHdAZYPf0QPOTiekU914u6pNxUSRQEmdN0xOLGv5hdkzA@mail.gmail.com> (Elijah Newren's message of "Tue, 13 Jul 2021 18:06:06 -0700")

Elijah Newren <newren@gmail.com> writes:

> The exhaustiveness of the quadratic portion comes from comparing each
> file to more other files, not in using a different type of comparison.

Exactly.  By culling potential matches early with heuristics, we
make a trade-off of risking false-negatives but save a lot of cycles
while trying to find "renames with modifications (which is what we
called 'inexact rename')", and my comment equated  fewer false-negatives
with more precision.



  reply	other threads:[~2021-07-14  1:10 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-11  0:46 [PATCH 0/3] Improve the documentation and warnings dealing with rename/copy limits Elijah Newren via GitGitGadget
2021-07-11  0:46 ` [PATCH 1/3] doc: clarify documentation for " Elijah Newren via GitGitGadget
2021-07-11  4:37   ` Bagas Sanjaya
2021-07-11  4:52     ` Elijah Newren
2021-07-12 15:03   ` Derrick Stolee
2021-07-12 21:27     ` Junio C Hamano
2021-07-11  0:46 ` [PATCH 2/3] doc: document the special handling of -l0 Elijah Newren via GitGitGadget
2021-07-11  4:54   ` Eric Sunshine
2021-07-11  4:54     ` Elijah Newren
2021-07-11  0:46 ` [PATCH 3/3] diff: correct warning message when renameLimit exceeded Elijah Newren via GitGitGadget
2021-07-12 15:09   ` Derrick Stolee
2021-07-12 18:13     ` Elijah Newren
2021-07-14  0:47       ` Junio C Hamano
2021-07-14  1:06         ` Elijah Newren
2021-07-14  1:10           ` Junio C Hamano [this message]
2021-07-14  1:22             ` Elijah Newren
2021-07-14  5:17               ` Junio C Hamano
2021-07-14 15:09                 ` Elijah Newren
2021-07-14  1:12 ` [PATCH v2 0/4] Rename/copy limits -- docs, warnings, and new defaults Elijah Newren via GitGitGadget
2021-07-14  1:12   ` [PATCH v2 1/4] diff: correct warning message when renameLimit exceeded Elijah Newren via GitGitGadget
2021-07-14  1:12   ` [PATCH v2 2/4] doc: clarify documentation for rename/copy limits Elijah Newren via GitGitGadget
2021-07-14  7:37     ` Ævar Arnfjörð Bjarmason
2021-07-14 16:30       ` Elijah Newren
2021-07-14 22:08         ` Ævar Arnfjörð Bjarmason
2021-07-14 22:56           ` Elijah Newren
2021-07-14  1:12   ` [PATCH v2 3/4] doc: document the special handling of -l0 Elijah Newren via GitGitGadget
2021-07-14 16:45     ` Jeff King
2021-07-14 17:17       ` Elijah Newren
2021-07-14 17:33         ` Jeff King
2021-07-14 19:32           ` Elijah Newren
2021-07-14  1:12   ` [PATCH v2 4/4] Bump rename limit defaults (yet again) Elijah Newren via GitGitGadget
2021-07-14 16:43     ` Jeff King
2021-07-14 17:32       ` Elijah Newren
2021-07-14 17:57         ` Jeff King
2021-07-14 20:03           ` Elijah Newren
2021-07-14 20:47             ` Jeff King
2021-07-15  0:45   ` [PATCH v3 0/4] Rename/copy limits -- docs, warnings, and new defaults Elijah Newren via GitGitGadget
2021-07-15  0:45     ` [PATCH v3 1/4] diff: correct warning message when renameLimit exceeded Elijah Newren via GitGitGadget
2021-07-15  0:45     ` [PATCH v3 2/4] doc: clarify documentation for rename/copy limits Elijah Newren via GitGitGadget
2021-07-15  0:45     ` [PATCH v3 3/4] diffcore-rename: treat a rename_limit of 0 as unlimited Elijah Newren via GitGitGadget
2021-07-15 23:17       ` Junio C Hamano
2021-07-15  0:45     ` [PATCH v3 4/4] Bump rename limit defaults (yet again) Elijah Newren via GitGitGadget
2021-07-15 13:36     ` [PATCH v3 0/4] Rename/copy limits -- docs, warnings, and new defaults Derrick Stolee
2021-07-15 23:20     ` Junio C Hamano

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