From: Taylor Blau <me@ttaylorr.com>
To: Jeff King <peff@peff.net>
Cc: Taylor Blau <me@ttaylorr.com>, Jacob Vosmaer <jacob@gitlab.com>,
Git Mailing List <git@vger.kernel.org>
Subject: Re: [PATCH 1/1] ls-refs.c: minimize number of refs visited
Date: Tue, 19 Jan 2021 18:02:48 -0500 [thread overview]
Message-ID: <YAdlGMv3EC1ORUew@nand.local> (raw)
In-Reply-To: <YAdkVkXOnpDy28h2@coredump.intra.peff.net>
On Tue, Jan 19, 2021 at 05:59:34PM -0500, Jeff King wrote:
> Actually, I am not sure that we would look for "refs/tags/" in that case
> (I did a quick test and we do not seem to). Which makes sense, as it is
> cheaper to find the "a" and "b" hierarchies separately if there is a
> very big "refs/tags/c" hierarchy.
Ah, makes sense. Thanks for double checking.
> But I agree that this is a good reason that callers should consider it
> as an optimization which could return more results than expected.
Yep. Even though I couldn't quite remember when the algorithm would
split without looking more closely, I made sure to document that it
iterates *all* references that are descendent of the LCP of its
arguments.
> -Peff
Thanks,
Taylor
next prev parent reply other threads:[~2021-01-19 23:06 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-19 14:42 [PATCH 0/1] ls-refs.c: minimize number of refs visited Jacob Vosmaer
2021-01-19 14:42 ` [PATCH 1/1] " Jacob Vosmaer
2021-01-19 16:12 ` Taylor Blau
2021-01-19 17:42 ` Jacob Vosmaer
2021-01-19 18:19 ` [PATCH 0/2] ls-refs: only traverse through longest common ref prefix Taylor Blau
2021-01-19 18:19 ` [PATCH 1/2] refs: expose 'for_each_fullref_in_prefixes' Taylor Blau
2021-01-19 18:19 ` [PATCH 2/2] ls-refs.c: traverse longest common ref prefix Taylor Blau
2021-01-19 23:09 ` Jeff King
2021-01-19 23:52 ` Taylor Blau
2021-01-20 0:08 ` Jeff King
2021-01-20 11:00 ` Jacob Vosmaer
2021-01-20 16:04 ` [PATCH v2 0/3] ls-refs: traverse prefixes of disjoint "ref-prefix" sets Taylor Blau
2021-01-20 16:04 ` [PATCH v2 1/3] refs: expose 'for_each_fullref_in_prefixes' Taylor Blau
2021-01-20 19:56 ` Jeff King
2021-01-20 20:12 ` Taylor Blau
2021-01-23 2:59 ` Junio C Hamano
2021-01-25 1:35 ` Taylor Blau
2021-01-20 16:04 ` [PATCH v2 2/3] ls-refs.c: initialize 'prefixes' before using it Taylor Blau
2021-01-20 19:58 ` Jeff King
2021-01-20 20:13 ` Taylor Blau
2021-01-20 21:50 ` Jacob Vosmaer
2021-01-20 16:04 ` [PATCH v2 3/3] ls-refs.c: traverse prefixes of disjoint "ref-prefix" sets Taylor Blau
2021-01-23 17:55 ` [PATCH v2 0/3] ls-refs: " Junio C Hamano
2021-01-19 19:09 ` [PATCH 1/1] ls-refs.c: minimize number of refs visited Taylor Blau
2021-01-19 21:59 ` Jeff King
2021-01-19 22:15 ` Jeff King
2021-01-19 22:23 ` Taylor Blau
2021-01-19 22:52 ` Jeff King
2021-01-19 22:59 ` Jeff King
2021-01-19 23:02 ` Taylor Blau [this message]
2021-01-19 22:53 ` Jeff King
2021-01-19 23:00 ` Taylor Blau
2021-01-19 23:11 ` Jeff King
2021-01-20 10:40 ` Jacob Vosmaer
2021-01-20 10:44 ` Jacob Vosmaer
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