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From: Thien-Thi Nguyen <ttn@gnu.org>
To: emacs-devel <emacs-devel@gnu.org>
Cc: "João Távora" <joaotavora@gmail.com>
Subject: Re: run-with-timer vs run-with-idle-timer
Date: Sat, 12 May 2018 19:57:43 +0200	[thread overview]
Message-ID: <87d0y07o4o.fsf@gnuvola.org> (raw)
In-Reply-To: <87k1sapi43.fsf@gmail.com> ("João Távora"'s message of "Fri, 11 May 2018 12:05:48 +0100")

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() João Távora <joaotavora@gmail.com>
() Fri, 11 May 2018 12:05:48 +0100

   > I suppose it's a matter of style.

   Just to clarify, since I've just realised we're talking about
   two independent things here:

   1. "catch/loop/throw" vs "let/test/loop/set" is indeed a
      matter of style (but you've probably convinced me to
      prefer the latter).

Yeah, that was my meaning.  I look forward to learning why
‘run-with-idle-timer’ is even necessary (my only experience w/
that is in zone.el func ‘zone-when-idle’).

   2. It's the short timeout to accept-process-output that I'm
      supposing hurts performance, but it can also be lengthened
      using the first idiom.

Why does a short timeout hurt performance?  My understanding is:
large timeout => more time for subproc to do its thing => bigger
and fewer chunks of input => less overhead relatively => better
overall performance.

      [timeout value gyrations]

Sounds somewhat cargo-cult.  Just like Emacs, i suppose... :-D

-- 
Thien-Thi Nguyen -----------------------------------------------
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   (pcase (context query)
     (`(technical ,ml) (correctp ml))
     ...))                              748E A0E8 1CB8 A748 9BFA
--------------------------------------- 6CE4 6703 2224 4C80 7502


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  reply	other threads:[~2018-05-12 17:57 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-09 17:34 run-with-timer vs run-with-idle-timer João Távora
2018-05-09 18:10 ` Eli Zaretskii
2018-05-09 18:17 ` Eli Zaretskii
2018-05-09 18:40   ` João Távora
2018-05-09 18:59     ` Eli Zaretskii
2018-05-09 19:15       ` João Távora
2018-05-09 19:21         ` Eli Zaretskii
2018-05-09 19:34           ` João Távora
2018-05-09 20:00         ` Davis Herring
2018-05-09 20:18           ` João Távora
2018-05-10 11:46 ` Thien-Thi Nguyen
2018-05-10 12:28   ` João Távora
2018-05-10 18:50     ` Thien-Thi Nguyen
2018-05-11 10:39       ` João Távora
2018-05-11 11:05         ` João Távora
2018-05-12 17:57           ` Thien-Thi Nguyen [this message]
2018-05-12 17:37         ` Thien-Thi Nguyen

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