public void run() {
done.countDown();
remaining.incrementAndGet();
int n;
while (!Thread.interrupted() && (n = remaining.get()) > 0 && done.getCount() > 0) {
if (remaining.compareAndSet(n, n - 1)) {
try {
pool.execute(this);
} catch (RuntimeException ex) {
System.out.print("*");
while (done.getCount() > 0) done.countDown();
return;
}
}
}
}
static void oneRun(BlockingQueue<Runnable> q, int nThreads, int iters, boolean print)
throws Exception {
ThreadPoolExecutor pool =
new ThreadPoolExecutor(nThreads + 1, Integer.MAX_VALUE, 1L, TimeUnit.SECONDS, q);
CountDownLatch done = new CountDownLatch(iters);
remaining.set(nThreads - 1);
pool.prestartAllCoreThreads();
Task t = new Task(pool, done);
long start = System.nanoTime();
pool.execute(t);
done.await();
long time = System.nanoTime() - start;
if (print) System.out.println("\t: " + LoopHelpers.rightJustify(time / iters) + " ns per task");
q.clear();
Thread.sleep(100);
pool.shutdown();
Thread.sleep(100);
pool.shutdownNow();
}
