From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Eli Zaretskii <eliz@gnu.org>
Cc: martin rudalics <rudalics@gmx.at>,
dmantipov@yandex.ru, emacs-devel@gnu.org
Subject: Re: 'struct window' cleanup #2
Date: Tue, 26 Jun 2012 20:42:37 -0400 [thread overview]
Message-ID: <jwv8vf98u3p.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <83a9zq9jhp.fsf@gnu.org> (Eli Zaretskii's message of "Tue, 26 Jun 2012 18:32:34 +0300")
>> Anyway, window_end_pos and window_end_vpos are the more
>> promising candidates (if Eli agrees).
> I don't object. But if we think that Lisp integers cause any
> significant slowdown during GC
For me, the reason to make such changes is to make the code simpler and
more robust: by avoiding conversion to/from Lisp_Object we get to use
more of C's type checks (as weak as they are, they're better than
nothing).
And for objects which are always integers, the code ends up simpler.
If it's more efficient, that's just a nice side-effect.
Stefan
next prev parent reply other threads:[~2012-06-27 0:42 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-25 8:56 'struct window' cleanup #2 Dmitry Antipov
2012-06-25 14:22 ` John Wiegley
2012-06-25 14:42 ` Dmitry Antipov
2012-06-25 14:27 ` Paul Eggert
2012-06-25 14:53 ` Stefan Monnier
2012-06-25 16:30 ` Dmitry Antipov
2012-06-25 16:35 ` martin rudalics
2012-06-25 16:49 ` Dmitry Antipov
2012-06-26 7:26 ` martin rudalics
2012-06-26 9:06 ` Dmitry Antipov
2012-06-26 15:37 ` Eli Zaretskii
2012-06-26 15:32 ` Eli Zaretskii
2012-06-26 16:49 ` Dmitry Antipov
2012-06-26 17:12 ` Eli Zaretskii
2012-06-27 0:42 ` Stefan Monnier [this message]
2012-06-27 3:03 ` Eli Zaretskii
2012-06-27 7:10 ` 'struct window' cleanup #3 Dmitry Antipov
2012-06-27 13:32 ` Stefan Monnier
2012-06-27 17:37 ` Eli Zaretskii
2012-06-27 17:24 ` Eli Zaretskii
2012-06-27 17:59 ` Dmitry Antipov
2012-06-27 19:36 ` Eli Zaretskii
2012-07-01 15:05 ` Dmitry Antipov
2012-07-01 15:42 ` Andreas Schwab
2012-06-28 12:51 ` Dmitry Antipov
2012-06-27 7:06 ` 'struct window' cleanup #2 martin rudalics
2012-06-27 16:59 ` Eli Zaretskii
2012-06-25 16:39 ` Eli Zaretskii
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