GC statistics (was Re: big project ported)

[Tom Tromey]

>>>>> "Hans" == Boehm, Hans <hboehm@exch.hpl.hp.com> writes:

Hans> I do have a very partial implementation of a copy-collected
Hans> "nursery" for our collector.  But my inclination at the moment
Hans> is to put that off a while longer.  Based on my measurements,
Hans> I'm not completely convinced that its potential benefit is worth
Hans> the added complexity.

We currently use an object's address as its hash code (unless the
hashCode method is overridden, of course).  We'd need a new strategy
if we had a copying nursery.  This isn't that big of a deal, but it
does add a new wrinkle in the form of an additional space tradeoff.

T