Re: [Boost-users] <smart_ptr>: A newbie question (about BOOST_SP_USE_QUICK_ALLOCATOR)

From: Sebastian Redl (sebastian.redl_at_[hidden])
Date: 2006-01-17 15:58:17

Svaley Streasm wrote:

> I understand that shared_ptr uses the 'quick_allocator' when I compile 
> the library with BOOST_SP_USE_QUICK_ALLOCATOR. But this means that I 
> get the 'quick_allocator' working for every type that I use with 
> shared_ptr, and this bothers me because this seems as a waste of 
> memory for instances of classes that are not frequently used. Besides, 
> the 'quick_allocator' unlike Scott Meyers suggestion (use a pool that 
> can be destroyed) doesn't frees its free blocks which means that, 
> shared_ptr of types that are used only in initialization stage will 
> occupy memory which can not be recycled. Am I missing something?

I am quite sure that shared_ptr uses the quick_allocator only for the 
reference count, not for the object itself, since it doesn't allocate that.

Sebastian Redl