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From: "Andreas Röhler" <andreas.roehler@online.de>
To: emacs-devel@gnu.org
Subject: Re: web-mode.el and speed
Date: Wed, 09 Oct 2013 13:04:59 +0200	[thread overview]
Message-ID: <5255385B.7030207@online.de> (raw)
In-Reply-To: <CAK1xyPMvUDzPkCgW+L9DNVfw=Cyx2a0FysS7xGWDegD9bf2rww@mail.gmail.com>

Am 07.10.2013 22:21, schrieb Bois Francois-Xavier:
> I think that a function that would not rely on regexp could improve
> drastically the performance.
> For seconds are needed to load the html5-spec page. And most of the time is
> spent identifying tags. So any micro optimization can have a huge impact.
>
> (I have previously won 20% in perfomance when I modified the tag attributes
> parser function to use chars instead of strings. I would have never thought
> that the gain would be so large)
>
>
> On Mon, Oct 7, 2013 at 10:05 PM, Eli Zaretskii <eliz@gnu.org> wrote:
>
>>> From: Bois Francois-Xavier <fxbois@gmail.com>
>>> Date: Mon, 7 Oct 2013 21:29:42 +0200
>>>
>>> I think that using a search-chars-forward (native) function could improve
>>> the performance
>>> (search-chars-foward '(?\< ?\>))
>>
>> What's wrong with skip-chars-forward?
>>
>

As it was said: skip-chars-forward

there is still the string/comment issue, where it probably shouldn't match

(while (and (< 0 (abs (skip-chars-forward CHARS)))(nth 8 (syntax-ppss))))



      parent reply	other threads:[~2013-10-09 11:04 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-07 19:29 web-mode.el and speed Bois Francois-Xavier
2013-10-07 20:05 ` Eli Zaretskii
2013-10-07 20:21   ` Bois Francois-Xavier
2013-10-07 20:56     ` Andreas Schwab
2013-10-07 22:54     ` Stefan Monnier
2013-10-08  6:21     ` Eli Zaretskii
2013-10-09 11:04     ` Andreas Röhler [this message]

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