Re: slow opening newsgroup

[David Abrahams <dave@boostpro.com>]

At Wed, 09 Mar 2005 00:36:49 +0900,
Yoichi NAKAYAMA wrote:
> 
> At Tue, 08 Mar 2005 15:49:49 +0100,
> Josef Dalcolmo wrote:
> > I have used WL for 2 newsgroups so far: gmane.mail.wanderlust.general
> > and gmane.emacs.help
> > 
> > The latter one contains about 25000 messages. Startup is very slow,
> > every time I open the newsgroup (almost 3 Minutes, over DSL
> > connection).
> > 
> > Is there any speedup possible? This is much slower than reading such a
> > newsgroup with Gnus!
> > 
> > I do not quite understand why updating the cache takes so long every
> > time. After all, there are only a handfull of new messages. It looks
> > as if the cache is built from all 25000 messages every time.
> 
> Taking differences of message list was too slow. Recently, Teranishi-san
> committed a change against this. By his observation, time elapsed for
> processing list of about 50000 elements are improved from 14.17 sec to
> 0.26 sec. It shows big effect on folders with large number of messages.
> 
> Unfortunately, the change was made after the release of 2.12.2.
> If you want to try it, you have to use the cutting edge version (*)
> for now.
> 
> (*) You can get it by checking out from cvs or from
>     http://www.jpl.org/ftp/wl/snapshots/

I'm using Wanderlust/2.15.7 (Almost Unreal) from CVS and having
exactly this problem with gmane.comp.lib.boost.devel.  Did the change
get removed?  Is there anything I can do to speed this up?

Thanks,

-- 
Dave Abrahams           Meet me at BoostCon: http://www.boostcon.com
BoostPro Computing
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