| 18 |
|
|
| 19 |
|
static final Phaser phaser = new Phaser(CONSUMERS + 1); |
| 20 |
|
|
| 21 |
< |
static class Sub implements Flow.Subscriber<Boolean> { |
| 21 |
> |
static final class Sub implements Flow.Subscriber<Boolean> { |
| 22 |
|
Flow.Subscription sn; |
| 23 |
|
int count; |
| 24 |
< |
public void onSubscribe(Flow.Subscription s) { |
| 25 |
< |
(sn = s).request(CAP); |
| 24 |
> |
public void onSubscribe(Flow.Subscription s) { |
| 25 |
> |
(sn = s).request(CAP); |
| 26 |
|
} |
| 27 |
< |
public void onNext(Boolean t) { |
| 27 |
> |
public void onNext(Boolean t) { |
| 28 |
|
if ((++count & (CAP - 1)) == (CAP >>> 1)) |
| 29 |
|
sn.request(CAP); |
| 30 |
|
} |
| 31 |
|
public void onError(Throwable t) { t.printStackTrace(); } |
| 32 |
< |
public void onComplete() { |
| 32 |
> |
public void onComplete() { |
| 33 |
|
if (count != ITEMS) |
| 34 |
|
System.out.println("Error: remaining " + (ITEMS - count)); |
| 35 |
< |
phaser.arrive(); |
| 35 |
> |
phaser.arrive(); |
| 36 |
|
} |
| 37 |
|
} |
| 38 |
|
|
| 42 |
|
int reps = REPS; |
| 43 |
|
if (args.length > 0) |
| 44 |
|
reps = Integer.parseInt(args[0]); |
| 45 |
< |
|
| 46 |
< |
System.out.println("ITEMS: " + ITEMS + |
| 45 |
> |
|
| 46 |
> |
System.out.println("ITEMS: " + ITEMS + |
| 47 |
|
" CONSUMERS: " + CONSUMERS + |
| 48 |
|
" CAP: " + CAP); |
| 49 |
|
ExecutorService exec = ForkJoinPool.commonPool(); |
| 50 |
< |
for (int rep = 0; rep < reps; ++reps) { |
| 51 |
< |
long startTime = System.nanoTime(); |
| 52 |
< |
final SubmissionPublisher<Boolean> pub = |
| 53 |
< |
new SubmissionPublisher<Boolean>(exec, CAP); |
| 54 |
< |
for (int i = 0; i < CONSUMERS; ++i) |
| 55 |
< |
pub.subscribe(new Sub()); |
| 56 |
< |
for (int i = 0; i < ITEMS; ++i) { |
| 57 |
< |
pub.submit(Boolean.TRUE); |
| 58 |
< |
} |
| 59 |
< |
pub.close(); |
| 60 |
< |
phaser.arriveAndAwaitAdvance(); |
| 61 |
< |
long elapsed = System.nanoTime() - startTime; |
| 62 |
< |
double secs = ((double)elapsed) / NPS; |
| 63 |
< |
System.out.printf("\tTime: %7.3f\n", secs); |
| 64 |
< |
// System.out.println(exec); |
| 50 |
> |
for (int rep = 0; rep < reps; ++rep) { |
| 51 |
> |
oneRun(exec); |
| 52 |
> |
System.out.println(exec); |
| 53 |
|
Thread.sleep(1000); |
| 54 |
|
} |
| 55 |
|
if (exec != ForkJoinPool.commonPool()) |
| 56 |
|
exec.shutdown(); |
| 57 |
|
} |
| 58 |
+ |
|
| 59 |
+ |
static void oneRun(ExecutorService exec) throws Exception { |
| 60 |
+ |
long startTime = System.nanoTime(); |
| 61 |
+ |
final SubmissionPublisher<Boolean> pub = |
| 62 |
+ |
new SubmissionPublisher<Boolean>(exec, CAP); |
| 63 |
+ |
for (int i = 0; i < CONSUMERS; ++i) |
| 64 |
+ |
pub.subscribe(new Sub()); |
| 65 |
+ |
for (int i = 0; i < ITEMS; ++i) { |
| 66 |
+ |
pub.submit(Boolean.TRUE); |
| 67 |
+ |
} |
| 68 |
+ |
pub.close(); |
| 69 |
+ |
phaser.arriveAndAwaitAdvance(); |
| 70 |
+ |
long elapsed = System.nanoTime() - startTime; |
| 71 |
+ |
double secs = ((double)elapsed) / NPS; |
| 72 |
+ |
System.out.printf("\tTime: %7.3f\n", secs); |
| 73 |
+ |
} |
| 74 |
|
} |
