[boost] Re: Extensible polymorphic pointer

From: Philippe A. Bouchard (philippeb_at_[hidden])
Date: 2002-08-09 15:52:03

> > - the indexing followed by an addition is negligeable because the
> > pointer usage already slows down member accesses;
>
> How about indexing, addition, and *conditional branch*?  That appears
> in your latest code, and rightly so.  I fully expect a branch to have a
> noticeable effect on high-volume dereferences.

What conditional branch?  get() is just: m_ptr + s_rectify[get_type_id()].

> Agreed.  And the benchmarks you have provided suffer from the most
> obvious criticism of benchmarks in general: they do not reflect common
> usage.

I'm working on it.

Philippe A. Bouchard