From: "Basil L. Contovounesios" <contovob@tcd.ie>
To: Michael Heerdegen <michael_heerdegen@web.de>
Cc: Nicolas Petton <nicolas@petton.fr>,
"Miguel V. S. Frasson" <mvsfrasson@gmail.com>,
34852@debbugs.gnu.org, Stefan Monnier <monnier@iro.umontreal.ca>
Subject: bug#34852: 26.1; seq-intersection ignores nil as element
Date: Thu, 14 Mar 2019 17:23:02 +0000 [thread overview]
Message-ID: <87a7hxcqvd.fsf@tcd.ie> (raw)
In-Reply-To: <87o96dcrtt.fsf@tcd.ie> (Basil L. Contovounesios's message of "Thu, 14 Mar 2019 17:02:22 +0000")
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"Basil L. Contovounesios" <contovob@tcd.ie> writes:
> Michael Heerdegen <michael_heerdegen@web.de> writes:
>
>> "Basil L. Contovounesios" <contovob@tcd.ie> writes:
>>
>>> My first patch makes an analogous backward-compatible change using the
>>> more efficient seq-position in place of seq-some.
>>
>> Why is it more efficient? The implementations are more or less
>> analogue, with the exception that seq-position additionally increments a
>> counter.
>
> Because seq-some involves an additional level of function indirection.
> This is confirmed by profiling and the attached mini-benchmark, when run
> as follows:
>
> emacs -batch -f batch-byte-compile bench.el
> emacs -script bench.elc
Oops, forgot to attach.
--
Basil
next prev parent reply other threads:[~2019-03-14 17:23 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-14 2:16 bug#34852: 26.1; seq-intersection ignores nil as element Miguel V. S. Frasson
2019-03-14 12:07 ` Michael Heerdegen
2019-03-14 13:09 ` Nicolas Petton
2019-03-14 12:22 ` Basil L. Contovounesios
2019-03-14 12:52 ` Miguel V. S. Frasson
2019-03-14 16:16 ` Basil L. Contovounesios
2019-03-14 13:09 ` Michael Heerdegen
2019-03-14 13:34 ` Stefan Monnier
2019-03-14 16:19 ` Basil L. Contovounesios
2019-03-14 16:45 ` Michael Heerdegen
2019-03-14 17:14 ` Basil L. Contovounesios
2019-03-14 19:08 ` Miguel V. S. Frasson
2019-03-14 21:43 ` Stefan Monnier
2019-03-14 23:08 ` Miguel V. S. Frasson
2019-03-14 23:14 ` Stefan Monnier
2019-03-14 23:21 ` Miguel V. S. Frasson
2019-03-14 23:42 ` Michael Heerdegen
2019-03-15 2:40 ` Stefan Monnier
2019-03-15 12:26 ` Michael Heerdegen
2019-03-15 14:47 ` Stefan Monnier
2019-03-14 23:45 ` Miguel V. S. Frasson
2019-03-14 23:15 ` Michael Heerdegen
2019-03-15 15:56 ` Basil L. Contovounesios
2019-03-15 16:08 ` Miguel V. S. Frasson
2019-03-16 20:33 ` Miguel V. S. Frasson
2019-03-16 20:49 ` Basil L. Contovounesios
2019-03-16 21:32 ` Miguel V. S. Frasson
2019-03-15 15:55 ` Basil L. Contovounesios
2019-03-14 16:17 ` Basil L. Contovounesios
2019-03-14 16:35 ` Michael Heerdegen
2019-03-14 17:02 ` Basil L. Contovounesios
2019-03-14 17:23 ` Basil L. Contovounesios [this message]
2019-03-14 16:45 ` Nicolas Petton
2019-03-14 17:08 ` Basil L. Contovounesios
2019-03-18 11:55 ` Nicolas Petton
2019-03-18 19:06 ` Michael Heerdegen
2019-03-18 20:14 ` Nicolas Petton
2019-03-20 20:51 ` Nicolas Petton
2019-03-20 22:33 ` Michael Heerdegen
2019-03-21 8:02 ` Nicolas Petton
2019-03-21 17:46 ` Basil L. Contovounesios
2019-03-21 20:01 ` Nicolas Petton
2019-03-21 20:16 ` Nicolas Petton
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