[Akopalipsis]

Вот.

var dictionary:Dictionary = new Dictionary();
var a:Object = { };
var b:Object = { };
for (var i:int = 0; i < 100000; i++) 
{
	a['name' + i] = new A();
	b['name' + i] = new B();
	dictionary[a['name' + i]] = b['name' + i];
	dictionary[b['name' + i]] = a['name' + i];
	trace(a['name' + i], b['name' + i]);
}