Tests atomicity of compareAndExchange.
JVM options: [-server, -XX:-TieredCompilation, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
Observed state | Occurrence | Expectation | Interpretation |
---|---|---|---|
-2, 0, -2 | 17787 | ACCEPTABLE | actor2 update successfully |
0, -1, -1 | 58913 | ACCEPTABLE | actor1 update successfully |
0, 0, -1 | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
0, 0, -2 | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
0, 0, 0 | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
JVM options: [-server, -XX:-TieredCompilation] Iterations: 5 Time: 200
Observed state | Occurrence | Expectation | Interpretation |
---|---|---|---|
-2, 0, -2 | 251191 | ACCEPTABLE | actor2 update successfully |
0, -1, -1 | 552849 | ACCEPTABLE | actor1 update successfully |
0, 0, -1 | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
0, 0, -2 | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
0, 0, 0 | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
JVM options: [-XX:TieredStopAtLevel=1] Iterations: 5 Time: 200
Observed state | Occurrence | Expectation | Interpretation |
---|---|---|---|
-2, 0, -2 | 271665 | ACCEPTABLE | actor2 update successfully |
0, -1, -1 | 557205 | ACCEPTABLE | actor1 update successfully |
0, 0, -1 | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
0, 0, -2 | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
0, 0, 0 | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
JVM options: [-client] Iterations: 5 Time: 200
Observed state | Occurrence | Expectation | Interpretation |
---|---|---|---|
-2, 0, -2 | 137109 | ACCEPTABLE | actor2 update successfully |
0, -1, -1 | 792311 | ACCEPTABLE | actor1 update successfully |
0, 0, -1 | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
0, 0, -2 | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
0, 0, 0 | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
JVM options: [-server] Iterations: 5 Time: 200
Observed state | Occurrence | Expectation | Interpretation |
---|---|---|---|
-2, 0, -2 | 106098 | ACCEPTABLE | actor2 update successfully |
0, -1, -1 | 840522 | ACCEPTABLE | actor1 update successfully |
0, 0, -1 | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
0, 0, -2 | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
0, 0, 0 | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
JVM options: [-server, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
Observed state | Occurrence | Expectation | Interpretation |
---|---|---|---|
-2, 0, -2 | 315062 | ACCEPTABLE | actor2 update successfully |
0, -1, -1 | 772148 | ACCEPTABLE | actor1 update successfully |
0, 0, -1 | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
0, 0, -2 | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
0, 0, 0 | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
JVM options: [-Xint] Iterations: 5 Time: 200
Observed state | Occurrence | Expectation | Interpretation |
---|---|---|---|
-2, 0, -2 | 27114 | ACCEPTABLE | actor2 update successfully |
0, -1, -1 | 45366 | ACCEPTABLE | actor1 update successfully |
0, 0, -1 | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
0, 0, -2 | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
0, 0, 0 | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
JVM options: [-client, -XX:-TieredCompilation] Iterations: 5 Time: 200
Observed state | Occurrence | Expectation | Interpretation |
---|---|---|---|
-2, 0, -2 | 15658 | ACCEPTABLE | actor2 update successfully |
0, -1, -1 | 101952 | ACCEPTABLE | actor1 update successfully |
0, 0, -1 | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
0, 0, -2 | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |
0, 0, 0 | 0 | FORBIDDEN | This won't happen because compareAndExchange is atomic |