From: "Óscar Fuentes" <ofv@wanadoo.es>
To: help-gnu-emacs@gnu.org
Subject: Re: 64 bit official Windows builds
Date: Mon, 08 Feb 2016 19:29:29 +0100 [thread overview]
Message-ID: <874mdjxdh2.fsf@wanadoo.es> (raw)
In-Reply-To: 8337t3qdpd.fsf@gnu.org
Eli Zaretskii <eliz@gnu.org> writes:
> Third, when Emacs is built with a 64-bit compiler, it runs faster, not
> slower, because running a 32-bit executable on a 64-bit Windows
> requires expensive thunking for every call to any Windows API,
> something that happens a lot.
For a pointer-chasing program like Emacs, data cache effects are orders
of magnitude more expensive than thunking. That's what I observe with
similar applications. As for Emacs, I see no performance difference
among 32 bit and 64 bit executables, for ordinary use. That's how it
should be: a good interactive application is never supposed to make the
user wait, and Emacs does a decent job at that.
next prev parent reply other threads:[~2016-02-08 18:29 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-24 23:01 64 bit official Windows builds Sam Halliday
2015-12-25 7:35 ` Eli Zaretskii
2015-12-25 13:35 ` Óscar Fuentes
2015-12-25 14:21 ` Eli Zaretskii
2015-12-25 15:32 ` Random832
2015-12-25 15:52 ` Eli Zaretskii
2016-01-07 22:47 ` Arash Esbati
2016-01-08 9:12 ` Eli Zaretskii
2016-01-08 21:42 ` Arash Esbati
2016-01-09 6:58 ` Eli Zaretskii
[not found] ` <mailman.1936.1452244338.843.help-gnu-emacs@gnu.org>
2016-01-08 10:44 ` Sam Halliday
2016-01-08 11:09 ` Eli Zaretskii
[not found] ` <mailman.1913.1452206888.843.help-gnu-emacs@gnu.org>
2016-01-09 13:04 ` Sam Halliday
2016-01-10 21:19 ` Arash Esbati
2016-02-11 21:21 ` Nicolas Petton
2016-02-11 21:35 ` Kaushal Modi
2016-02-11 21:53 ` John Mastro
[not found] ` <mailman.556.1451028922.843.help-gnu-emacs@gnu.org>
2016-01-07 22:38 ` Sam Halliday
2016-01-07 23:15 ` Rasmus
2016-01-08 9:05 ` Eli Zaretskii
2016-02-08 17:44 ` moocow062
2016-02-08 18:06 ` Eli Zaretskii
2016-02-08 18:29 ` Óscar Fuentes [this message]
2016-02-08 19:10 ` Eli Zaretskii
2016-02-11 13:58 ` Stefan Monnier
2016-02-11 20:50 ` Eli Zaretskii
2016-02-11 22:16 ` Óscar Fuentes
2016-02-12 6:55 ` Eli Zaretskii
2016-02-12 7:16 ` Óscar Fuentes
2016-02-12 7:48 ` Eli Zaretskii
2016-02-12 8:16 ` Óscar Fuentes
2016-02-12 8:51 ` Eli Zaretskii
2016-02-08 22:13 ` djc
2016-02-08 22:51 ` Óscar Fuentes
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