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Re: cc-mode fontification feels random
From: |
Eli Zaretskii |
Subject: |
Re: cc-mode fontification feels random |
Date: |
Fri, 04 Jun 2021 14:22:43 +0300 |
> From: João Távora <joaotavora@gmail.com>
> Date: Fri, 4 Jun 2021 12:05:18 +0100
> Cc: Eli Zaretskii <eliz@gnu.org>, ubolonton@gmail.com,
> Daniel Colascione <dancol@dancol.org>, theo@thornhill.no, emacs-devel
> <emacs-devel@gnu.org>
>
> > > The communication of buffer contents to these agents/servers is indeed
> > > one aspect of the existing packages (those I had time to look at) that
> > > I personally am unhappy about. Sending the whole buffer or its large
> > > chunks down the wire as buffer-substring (which requires encoding to
> > > be correct) is non-scalable, especially if it also requires conversion
> > > to JSON.
> >
> > How bad is is actually; are there good numbers on this?
>
> Not from me. Only gut feeling. But I have seen latency from servers before.
> That just depends on the server and its architecture, I guess.
>
> However there are reports of enormous latency on Emacs side when JSON
> messages get very long and complex. Part of this related simply to JSON
> parsing and allocation of lots of lisp objects. My hunch is that
> fontification of
> a big and complex buffer would give rise to one of these big and complex
> JSON messages.
Ask Dmitry about performance problems with native JSON support, and
the effort we invested (a year ago?) into optimizing UTF-8 encoding of
strings, to squeeze every last percent of performance.
- cc-mode fontification feels random, Daniel Colascione, 2021/06/03
- Re: cc-mode fontification feels random, Eli Zaretskii, 2021/06/04
- Re: cc-mode fontification feels random, Theodor Thornhill, 2021/06/04
- Re: cc-mode fontification feels random, João Távora, 2021/06/04
- Re: cc-mode fontification feels random, Eli Zaretskii, 2021/06/04
- Re: cc-mode fontification feels random, Philipp, 2021/06/04
- Re: cc-mode fontification feels random, João Távora, 2021/06/04
- Re: cc-mode fontification feels random,
Eli Zaretskii <=
- Re: cc-mode fontification feels random, Dmitry Gutov, 2021/06/04
- Re: cc-mode fontification feels random, João Távora, 2021/06/04
- Re: cc-mode fontification feels random, Eli Zaretskii, 2021/06/04
- Re: cc-mode fontification feels random, Eli Zaretskii, 2021/06/04
- Re: cc-mode fontification feels random, Jim Porter, 2021/06/04
- Message not available
- Re: cc-mode fontification feels random, Jim Porter, 2021/06/04
- Re: cc-mode fontification feels random, Eli Zaretskii, 2021/06/04
- Re: cc-mode fontification feels random, Jim Porter, 2021/06/04
- Re: cc-mode fontification feels random, Joost Kremers, 2021/06/04
- Re: cc-mode fontification feels random, Eli Zaretskii, 2021/06/05