From: Joe Gottman (jgottman_at_[hidden])
Date: 2003-11-15 20:34:35
"Matthew Wilson" <stlsoft_at_[hidden]> wrote in message
> "Joe Gottman" <jgottman_at_[hidden]> wrote in message
> > "Matthew Wilson" <stlsoft_at_[hidden]> wrote in message
> > news:bovl1d$juh$1_at_sea.gmane.org...
> > > Hi Boosters
> > >
> > > I'm just doing some research on reference-counting, and contrasting
> > > self-counting types with externally counted types, the latter effected
> > with
> > > the rather excellent shared pointer technique.
> > >
> > Have you tried getting the latest shared_ptr.hpp and
> > detail/shared_count.hpp from the CVS files? The version of shared_ptr
> > release 1.30.2 has a lot of extra overhead due to weak_ptr support.
> > time a shared_ptr is copied there is an extra comparison and increment
> > later an extra decrement). The version in the CVS avoids almost all of
> > extra work.
> I've not. That sounds worth trying.
> <blush>How would one go about getting the CVS version</blush>
The web address for the boost CVS files is
The new shared_ptr.hpp is at
and the detail/shared_count.hpp is at
Boost list run by bdawes at acm.org, gregod at cs.rpi.edu, cpdaniel at pacbell.net, john at johnmaddock.co.uk