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Re: Gnu Emacs way slower than XEmacs

From: Jason Rumney
Subject: Re: Gnu Emacs way slower than XEmacs
Date: 22 Apr 2003 21:17:57 +0100
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3.50

address@hidden (Kai Großjohann) writes:

> "Stephen J. Turnbull" <address@hidden> writes:
> > Which version of XEmacs?  Up until very recently, things could be very
> > slow because of a bug in our process code which caused a hang on large
> > network operations.
> Note that David is reporting that XEmacs is *faster* than Emacs.
> A bug in the XEmacs process code causing a slowdown is unlikely to
> explain this ;-)

Stephen is suggesting that the same bug that was fixed in XEmacs
might be present in GNU Emacs.

Does XEmacs implement non-blocking sockets on Windows?  Some parts of
Gnus use async network I/O where possible, so that might make things
appear faster even if they weren't. Since we force Windows sockets
to look like file handles in Emacs, implementing select() properly for
sockets without breaking async process I/O is difficult. I might have
another go at it one day.

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