Re: performance of fuzzy subject handling and killing threads

[Lars Magne Ingebrigtsen <larsi@ifi.uio.no>]

Ken Raeburn <raeburn@cygnus.com> writes:

> Since the simplified strings come out the same each time they're
> generated, I figured, why not cache them?  It'll slow down the first
> pass through the article list a little, but following passes should be
> much faster.  And in newsgroups with lots of unread articles -- enough
> for the additional cost of building the cache to be noticeable -- I'm
> guessing it's probably not the most common case that 'k' gets used
> exactly once.

Yes, I never use `k' myself.  (Well, I just use `M-C-l' to kill
articles; what with the threading and gathering, it kills exactly the
same articles that `k' does in a fraction of the time.)

> And while I'm at it, why not intern them in a group-local obarray?
> That way emacs itself would automatically keep them unique, so
> comparisons would be even cheaper, and the extra storage required
> would be reduced somewhat in most cases.

Nice technique.  I'll be adding your stuff to Red Gnus.

-- 
  "Yes.  The journey through the human heart 
     would have to wait until some other time."