Now look at that 16 x 16 sample again. You’ll see a brief, dark flash at the very top of the spinner, once per rotation. And, if you’re anything like me, you’ll never, ever be able to un-see it. Ever.

Heapshot analysis has proven to be an incredibly effective tool for identifying and fixing memory use issues in applications. The above style of use where you pick a task that should return state back to the same as it was when you started is the most effective form of this analysis.