@Test
    public void doIt() throws InterruptedException {
        for (int numThreads : Arrays.asList(1, 2, 3, 5, 7, 8)) {
            for (int numQueues : Arrays.asList(1, 2, 4, 6, 8)) {
                for (int queueSize : Arrays.asList(1000, 500, 100)) {
                    build(numThreads, numQueues, queueSize);
                }
            }
        }
    }