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From: Lars Magne Ingebrigtsen <larsi@gnus.org>
To: ding@gnus.org
Subject: Re: rtrees
Date: Thu, 02 Dec 2010 17:16:51 +0100	[thread overview]
Message-ID: <m3pqtk880c.fsf@quimbies.gnus.org> (raw)
In-Reply-To: <m3lj49dyue.fsf@quimbies.gnus.org>

Lars Magne Ingebrigtsen <larsi@gnus.org> writes:

> (benchmark-run-compiled 1 (dotimes (i 100000) (memq 74500 list)))
> (0.47300300000000006 0 0.0)
>
> And it is, the built-in memq winds overwhelmingly.
>
> But what about the new tree thing:
>
> (benchmark-run-compiled 1 (dotimes (i 100000) (rtree-memq rt 74500)))
> (0.41015 0 0.0)
>
> Yay.  So it's slightly better than the list solution, even in this
> situation. 

D'oh.  I made rtree-memq recursive, even though that's totally
unnecessary.  Rewriting it as a loop gives:

(benchmark-run-compiled 1 (dotimes (i 100000) (rtree-memq rtree 74500)))
(0.30733699999999997 0 0.0)

Hah.

-- 
(domestic pets only, the antidote for overdose, milk.)
  larsi@gnus.org * Lars Magne Ingebrigtsen




  parent reply	other threads:[~2010-12-02 16:16 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-30 19:31 shr and background colour Adam Sjøgren
2010-12-01  9:39 ` Julien Danjou
2010-12-01 17:12   ` rtrees (was: shr and background colour) Lars Magne Ingebrigtsen
2010-12-01 17:59     ` rtrees Julien Danjou
2010-12-01 18:29     ` rtrees Jason Riedy
2010-12-01 18:34       ` rtrees Lars Magne Ingebrigtsen
2010-12-01 18:36         ` rtrees Lars Magne Ingebrigtsen
2010-12-01 20:26           ` rtrees Lars Magne Ingebrigtsen
2010-12-02  9:49             ` rtrees Julien Danjou
2010-12-02 16:16             ` Lars Magne Ingebrigtsen [this message]
2010-12-02 17:47               ` rtrees Lars Magne Ingebrigtsen

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