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Re: Emacs HTTP libraries [was: Re: How to contribute new package to GNU


From: Eli Zaretskii
Subject: Re: Emacs HTTP libraries [was: Re: How to contribute new package to GNU ELPA?]
Date: Tue, 22 Dec 2020 05:35:16 +0200

> From: "Philip K." <philipk@posteo.net>
> Cc: arthur.miller@live.com, adam@alphapapa.net, rms@gnu.org,
>       emacs-devel@gnu.org
> Date: Tue, 22 Dec 2020 00:51:08 +0100
> 
> >> > Before this is taken as an indication that using one of these
> >> > libraries will automagically make Emacs as fast as the applications
> >> > like curl, we should carefully profile url.el and find out which
> >> > part(s) of it cause the slowness.  Because it could well be that what
> >> > makes url.el slow will also make Emacs using libcurl slow.
> >> 
> >> Maybe this library can be of help while testing/profiling
> >
> > We have a built-in profiler in Emacs.
> 
> In that case, gnutls-negotiate seems to be the most suspicious function,
> using over 50%-60% of the CPU time, at least on my machine. This also
> makes sense, as TLS sites seem to take longer to load than regular,
> non-encrypted ones.

Please show the code you profiled and the fully expanded profile.



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