GNU bug report logs - #54657
29.0.50; 100% CPU usage with eww on https://blogsurf.io/

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Message #31 received at 54657 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 54657 <at> debbugs.gnu.org, dal-blazej <at> onenetbeyond.org
Subject: Re: bug#54657: 29.0.50; 100% CPU usage with eww on
 https://blogsurf.io/
Date: Sat, 02 Apr 2022 20:17:38 +0300

> From: Lars Ingebrigtsen <larsi <at> gnus.org>
> Cc: dal-blazej <at> onenetbeyond.org,  54657 <at> debbugs.gnu.org
> Date: Sat, 02 Apr 2022 17:35:03 +0200
> 
> Eli Zaretskii <eliz <at> gnu.org> writes:
> 
> > Type 'v' to see the page's source, and you will immediately understand
> > why.  99% of that page is a huge JS script that is basically a single
> > humongous line whose length is 12MB.
> 
> eww doesn't render <script> things, so it doesn't matter how long they
> are for eww.  (It does matter for libxml-parse-html-region, but it
> should be able to parse 12MB of <script> in a few milliseconds.)

According to what I see here, libxml-parse-html-region is indeed the
part that takes most of the CPU time, and I measured about 30 sec here
it took it to parse that page.  If you see something very different,
maybe the important factor here is the version of libxml2?

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