fun run do
		p = new Array[Int].with_capacity(n)
		for i in [0..n[ do p.add(0)
		pp = new Array[Int].with_capacity(n)
		for i in [0..n[ do pp.add(0)
		count = new Array[Int].with_capacity(n)
		for i in [0..n[ do count.add(0)

		var task = 0
		loop
			task = task_id.get_and_increment
			if task < n_tasks then run_task(task) else break
		end
	end