Speed difference in Gnus

[Uwe Brauer]

>>>>> "Stephen" == Stephen J Turnbull <stephen at xemacs.org> writes:

>>>>> "Uwe" == Uwe Brauer <oub at mat.ucm.es> writes:

   Stephen> Sure.  I can name a number of them.  Contributions on any
   Stephen> of them would be welcome.


   Stephen> (2) I suspect redisplay is slowed dramatically by code
   Stephen> kluged in to ensure correct display of the native widgets.
   Stephen> I know for sure that in Xft most everything gets displayed
   Stephen> twice on every redisplay.

   Stephen> (3) Regexp issues.  It's not hard to write regexps that
   Stephen> behave badly in loops, and XEmacs's regexp implementation
   Stephen> has had problems with corner cases.

   Stephen> (4) Algorithms.  I suspect that for most packages GNU has
   Stephen> a decided advantage in terms of the amount of developer
   Stephen> time that goes into optimizing for them, and there's a
   Stephen> strong bias toward designing things that are efficient for
   Stephen> GNU, and then hacking in XEmacs support later.

Ok I see, how could I test that in the case I mentioned (copying and
moving a lot of msg from imap folders to nnml folder, or even between
imap folders) is slow?

Can I run some kind of profiler to find out, in of the points
mentioned above could be the culprit?

Uwe