From: "Clément Pit-Claudel" <cpitclaudel@gmail.com>
To: Tianxiang Xiong <tianxiang.xiong@gmail.com>
Cc: Emacs developers <emacs-devel@gnu.org>
Subject: Re: Performance issue w/ `cl-loop`s `collect...into`
Date: Sun, 8 Apr 2018 02:12:03 -0400 [thread overview]
Message-ID: <1d5b85f5-62cd-f2f3-0b71-9e2a2cf2ef9e@gmail.com> (raw)
In-Reply-To: <CACMkxiwmEB6VB8Zj7_s-u0ktYrS7JLQyL1PS4BxW78UvM3_8tQ@mail.gmail.com>
On 2018-04-08 01:56, Tianxiang Xiong wrote:
> Yikes--wasn't expecting that. Similar code in SBCL runs nearly instantaneously.
Indeed, fixing the implementation would be nice. It shouldn't be too hard to keep a reference to the last `cons' of `pairs' and to append to that using setcdr.
Clément.
next prev parent reply other threads:[~2018-04-08 6:12 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-08 0:51 Performance issue w/ `cl-loop`s `collect...into` Tianxiang Xiong
2018-04-08 3:26 ` Clément Pit-Claudel
2018-04-08 5:56 ` Tianxiang Xiong
2018-04-08 6:12 ` Clément Pit-Claudel [this message]
2018-04-08 8:50 ` Tianxiang Xiong
2018-04-08 13:19 ` Clément Pit-Claudel
2018-04-08 16:07 ` Stefan Monnier
2018-04-08 19:58 ` Tianxiang Xiong
2018-04-08 21:13 ` Stefan Monnier
2018-04-08 23:29 ` Tianxiang Xiong
2018-04-09 1:10 ` Tianxiang Xiong
2018-04-09 1:59 ` Stefan Monnier
2018-04-09 2:16 ` Tianxiang Xiong
2018-04-09 2:20 ` Stefan Monnier
2018-04-09 3:34 ` Tianxiang Xiong
2018-04-09 3:38 ` Tianxiang Xiong
2018-04-09 12:07 ` Stefan Monnier
2018-04-09 12:22 ` Basil L. Contovounesios
2018-04-09 15:28 ` Tianxiang Xiong
2018-04-09 15:33 ` Tianxiang Xiong
2018-04-14 7:01 ` Tianxiang Xiong
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