From: "Stephen J. Turnbull" <stephen@xemacs.org>
To: "Óscar Fuentes" <ofv@wanadoo.es>
Cc: emacs-devel@gnu.org, Leo Liu <sdl.web@gmail.com>,
Le Wang <l26wang@gmail.com>
Subject: Re: fix for bug 10994 breaks ido customizations in major way
Date: Sun, 05 May 2013 23:31:04 +0900 [thread overview]
Message-ID: <87y5btjy6v.fsf@uwakimon.sk.tsukuba.ac.jp> (raw)
In-Reply-To: <87mws9sg1a.fsf@wanadoo.es>
Óscar Fuentes writes:
> So it seems that delete-dups is faster for strings than symbols.
My interpretation is different: something is broken in the benchmarks
(or in the estimate that the CPUs are of comparable performance).
Comparing symbols for equality is a pointer comparison. Comparing
strings for equality is a pointer comparison, followed by more work
(some variation on a memcmp) in case of failure.
next prev parent reply other threads:[~2013-05-05 14:31 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-02 17:57 fix for bug 10994 breaks ido customizations in major way Le Wang
2013-05-03 4:13 ` Leo Liu
2013-05-03 12:49 ` Le Wang
2013-05-03 20:33 ` Leo Liu
2013-05-04 7:00 ` Le Wang
2013-05-04 8:58 ` Óscar Fuentes
2013-05-04 13:00 ` Le Wang
2013-05-05 10:57 ` Óscar Fuentes
2013-05-05 11:39 ` Leo Liu
2013-05-05 12:20 ` Óscar Fuentes
2013-05-05 12:58 ` Leo Liu
2013-05-05 13:38 ` Óscar Fuentes
2013-05-05 14:31 ` Stephen J. Turnbull [this message]
2013-05-05 15:26 ` Óscar Fuentes
2013-05-06 15:11 ` Le Wang
2013-05-06 22:49 ` Vitalie Spinu
2013-05-07 1:01 ` Óscar Fuentes
2013-05-07 9:35 ` Le Wang
2013-05-07 10:26 ` Vitalie Spinu
2013-05-07 10:35 ` Óscar Fuentes
2013-05-07 14:49 ` Le Wang
2013-05-07 21:18 ` Stefan Monnier
2013-05-07 14:42 ` Le Wang
2013-05-07 14:44 ` Drew Adams
2013-05-07 14:47 ` Le Wang
2013-05-07 19:00 ` Vitalie Spinu
2013-05-07 19:53 ` Óscar Fuentes
2013-05-08 0:04 ` Leo Liu
2013-05-08 0:35 ` Le Wang
2013-05-08 3:10 ` Leo Liu
2013-05-08 3:29 ` Leo Liu
2013-05-08 4:49 ` Leo Liu
2013-05-08 8:14 ` Vitalie Spinu
2013-05-08 8:42 ` Leo Liu
2013-05-08 12:23 ` Le Wang
2013-05-08 14:29 ` Leo Liu
2013-05-08 20:56 ` Juri Linkov
2013-05-10 1:52 ` Leo Liu
2013-05-17 2:48 ` Leo Liu
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