At 09:36 PM 11/4/2001 +0100, Benoit Cerrina wrote:
> > While the PMC structures themselves don't move (no real need--there of
> > fixed size so you can't fragment your allocation pool, though it makes
>Sorry can you expand on this. I don't see the relation between the data
>being fixed size and the memory not becomming fragmented.
> > generational collection easier to some extent) the data pointed to by the
> > PMC can. That's the bit that moves.
> >
> > Dan
> >
>Well one of the reasons of moving the data is so you can use a trivial stack
>like
>allocator. If you don't move the PMC you won't be able to.
Sure you will. Allocation and deallocation of fixed-sized structures is
very simple--in some ways as simple as using a stack allocator, as you're
just putting things on the head of a list or taking them off it. It's
allocation and deallocation of variable-sized structures that's tricky, and
tends to fragment your heap all to heck.
Dan
--------------------------------------"it's like this"-------------------
Dan Sugalski even samurai
[EMAIL PROTECTED] have teddy bears and even
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