From: "Ben Wing" <ben_wing@hotmail.com>
Cc: monnier+gnu/emacs@rum.cs.yale.edu, ben@666.com, bws@deepcopy.org,
xemacs-design@xemacs.org, emacs-devel@gnu.org
Subject: Re: Profiling font-lock in xemacs
Date: Sat, 29 Jun 2002 12:34:18 -0700 [thread overview]
Message-ID: <afl27q$up2$2@main.gmane.org> (raw)
>From: Richard Stallman <rms@gnu.org>
>Reply-To: rms@gnu.org
>To: ben_wing@hotmail.com
>CC: monnier+gnu/emacs@rum.cs.yale.edu, ben@666.com, bws@deepcopy.org,
>xemacs-design@xemacs.org, emacs-devel@gnu.org
>Subject: Re: Profiling font-lock in xemacs
>Date: Sat, 29 Jun 2002 02:41:06 -0600 (MDT)
>
>It would be better not to have a delay of even .25 second in handling
>C-g. It ought to respond crisply.
of course, this is only on systems without SIGIO, where we have no choice
but to implement such a thing.
>
>If the delay were made smaller, eventually it would be insignificant.
>I don't know at what point that is reached.
.25 second is pretty small. the smaller you go, of course, the more cpu
time you potentially use up.
>
>Currently on some systems C-g handling can involve a delay of up to 1
>second, the wait for "polling for input". That's because when it was
>implemented there was no better facility to use than `alarm'.
>Nowadays I gather there is one; we should change the polling interval
>to something shorter than a second.
setitimer() on unix systems.
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next reply other threads:[~2002-06-29 19:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-29 19:34 Ben Wing [this message]
[not found] <F102hm4mRK4dGDNhxKL00000226@hotmail.com>
2002-06-29 8:41 ` Profiling font-lock in xemacs Richard Stallman
-- strict thread matches above, loose matches on Subject: below --
2002-06-27 21:55 Ben Wing
[not found] <200205300129.17083.bws@deepcopy.org>
[not found] ` <87d6vet7f2.fsf@tleepslib.sk.tsukuba.ac.jp>
[not found] ` <5l3cw9lob0.fsf@rum.cs.yale.edu>
[not found] ` <200205301939.02926.bws@deepcopy.org>
[not found] ` <005d01c21835$344dc340$0201a8c0@neeeeeee>
[not found] ` <200206201517.g5KFHaw07020@rum.cs.yale.edu>
[not found] ` <009301c218f1$8e5a9040$0201a8c0@neeeeeee>
[not found] ` <200206211911.g5LJBvN12715@rum.cs.yale.edu>
[not found] ` <026d01c21991$ede47580$0201a8c0@neeeeeee>
2002-06-22 17:32 ` Stefan Monnier
2002-06-23 4:53 ` Stephen J. Turnbull
2002-06-23 18:12 ` Richard Stallman
[not found] ` <200206231812.g5NICe024443@aztec.santafe.edu>
2002-06-23 18:40 ` Stefan Monnier
[not found] ` <200206231840.g5NIeaa30522@rum.cs.yale.edu>
2002-06-24 19:39 ` Richard Stallman
[not found] ` <200206241939.g5OJdsk26260@aztec.santafe.edu>
2002-06-24 20:04 ` Stefan Monnier
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