@Test public void testCurrentHashMap() { final Map<Integer, Integer> hash = new ConcurrentHashMap<Integer, Integer>(); Nano.bench() .measurements(measurements) .threads(threads) .measure( "concurrent-hashmap", new Runnable() { public void run() { Random random = new Random(10000); for (int i = 0; i < 1000; i++) { hash.put(i, i); if (i % 2 == 0) { for (int j = 0; j < 3; j++) { hash.get(random.nextInt()); } } } } }); }
@Test public void testSyncHashMap() { final Map<Integer, Integer> hash = Collections.synchronizedMap(new HashMap<Integer, Integer>()); Nano.bench() .measurements(measurements) .threads(threads) .measure( "sync-hashmap", new Runnable() { public void run() { Random random = new Random(10000); for (int i = 0; i < 1000; i++) { hash.put(i, i); if (i % 2 == 0) { for (int j = 0; j < 3; j++) { hash.get(random.nextInt()); } } } } }); }