Re: [boost] [statechart] Problems if I make dtorS virtual?

From: Jeff Garland (jeff_at_[hidden])
Date: 2005-08-24 19:37:53

On Wed, 24 Aug 2005 11:16:10 -0700, BRIDGES Dick wrote
> 
> <extra_credit ot=true my_understanding=faulty>
> With a well-developed pipelined architecture and a reasonably rich 
> set of addressing operations, shouldn't there be little or no difference
> between direct and indirect access times - given that the bookeeping
> normally associated with virtual classes has already been paid for?
> </extra_credit>
> 
> Thanks to any/all for help with this.

The problem with virtual functions is that they expand the size of the object
in memory (sometimes dramatically) and will prevent the objects from being
used in shared memory.  These issues might not be a priority for statecharts,
but that's a call the users and Andreas will have to make.  

Jeff