Re: Gnus as slow as molasses

[Eze Ogwuma <typhoon@dircon.co.uk>]

Lars Magne Ingebrigtsen <larsi@gnus.org> writes:

> Eze Ogwuma <typhoon@dircon.co.uk> writes:
> 
> > string-match                               264      17.647
> > directory-files                            261      17.447
> > match-string                               168      11.230
> 
> Does this mean that `directory-files' is called 261 times?  (I'm not
> familiar with the output of `profile-keystrokes'.)

I'm sorry, I don't know either. I was told to try this by Hrvoje
Niksic, see the message below. I couldn't find any mention of it in
the XEmacs manuals.

> Anyways, I think the culprit is `nnheader-article-to-file-alist',
> which is Slow in huge groups if you have jka-compr loaded.

With or without this opening the first article is very slow. I've
found that not having comresssion in the .emacs file decreases the
time by ~33.3% however this is not the ~99.4% needed to remove the
problem.


Hrvoje Niksic <hniksic@srce.hr> writes:

> Eze Ogwuma <typhoon@dircon.co.uk> writes:
> 
> > This additional information was sent to someone as a reply.
> > 
> > The problem isn't opening the group as I rarely select more that 100
> > articles. It's selecting the first article once I'm in the group.
> > 
> > I have this in my .gnus file so I get to choose which article to
> > select:
> > ;; Don't select the first article automatically
> > (setq  gnus-auto-select-first nil)   
> > 
> > Whichever article I select then takes about 10-15 seconds to
> > display. All articles selected after that are almost instantaneous
> > whether they are above or below the first article.
> 
> Under XEmacs 20.4 you can use `M-x profile-key-sequence', press a key
> (say RET in the Group buffer), and get the results using
> `M-x profile-results'.  It should give you an idea of where the time
> is being spent.
> 

-- 
Eze Ogwuma