Tests atomicity of compareAndExchange.
JVM options: [-client] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| , , | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
| , , A | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
| , , C | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
| , A, A | 445814 | ACCEPTABLE | actor1 update successfully |
| C, , C | 506366 | ACCEPTABLE | actor2 update successfully |
JVM options: [-server] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| , , | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
| , , A | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
| , , C | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
| , A, A | 476749 | ACCEPTABLE | actor1 update successfully |
| C, , C | 368271 | ACCEPTABLE | actor2 update successfully |
JVM options: [-server, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| , , | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
| , , A | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
| , , C | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
| , A, A | 1226470 | ACCEPTABLE | actor1 update successfully |
| C, , C | 756110 | ACCEPTABLE | actor2 update successfully |
JVM options: [-server, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| , , | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
| , , A | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
| , , C | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
| , A, A | 1336376 | ACCEPTABLE | actor1 update successfully |
| C, , C | 266574 | ACCEPTABLE | actor2 update successfully |
JVM options: [-server, -XX:-TieredCompilation, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| , , | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
| , , A | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
| , , C | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
| , A, A | 729902 | ACCEPTABLE | actor1 update successfully |
| C, , C | 511788 | ACCEPTABLE | actor2 update successfully |
JVM options: [-XX:TieredStopAtLevel=1] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| , , | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
| , , A | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
| , , C | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
| , A, A | 1170717 | ACCEPTABLE | actor1 update successfully |
| C, , C | 560473 | ACCEPTABLE | actor2 update successfully |
JVM options: [-Xint] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| , , | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
| , , A | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
| , , C | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
| , A, A | 14401 | ACCEPTABLE | actor1 update successfully |
| C, , C | 17049 | ACCEPTABLE | actor2 update successfully |
JVM options: [-client, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| , , | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
| , , A | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
| , , C | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
| , A, A | 641844 | ACCEPTABLE | actor1 update successfully |
| C, , C | 419256 | ACCEPTABLE | actor2 update successfully |