From: Tino Calancha <tino.calancha@gmail.com>
To: Nicolas Petton <nicolas@petton.fr>
Cc: Tino Calancha <tino.calancha@gmail.com>,
27560-done@debbugs.gnu.org, ohwoeowho@gmail.com
Subject: bug#27560: 26.0.50; seq-uniq is slow
Date: Mon, 3 Jul 2017 23:19:27 +0900 (JST) [thread overview]
Message-ID: <alpine.DEB.2.20.1707032316140.10724@calancha-pc> (raw)
In-Reply-To: <87y3s5pq81.fsf@petton.fr>
On Mon, 3 Jul 2017, Nicolas Petton wrote:
> Nicolas Petton <nicolas@petton.fr> writes:
>
>>> Indeed, I will run some benchmarks as well. In your benchmarks, cl-lib
>>> is still much faster than seq-uniq, even if it's not as impressive as
>>> Oleh's benchmark.
>>
>> It looks like I read the benchmark results wrong :)
>
> seq-uniq seems to be much faster than in 2015, while its definition
> basically hasn't changed. I won't investigate much further as I'm happy
> with then benchmark results.
I am quite amazed with the 27 garbage collections that Oleh found:
> (benchmark-run (seq-uniq cands 'equal))
> (5.270219822 27 2.396615401000002)
I might get occasionally 1 gc, tipically 0: 27 demands a double checking.
Tino
prev parent reply other threads:[~2017-07-03 14:19 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-03 8:20 bug#27560: 26.0.50; seq-uniq is slow Nicolas Petton
2017-07-03 13:16 ` Tino Calancha
2017-07-03 13:50 ` Nicolas Petton
2017-07-03 13:52 ` Nicolas Petton
2017-07-03 14:09 ` Nicolas Petton
2017-07-03 14:19 ` Tino Calancha [this message]
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