Tests atomicity of weakCompareAndSet.
JVM options: [-server, -XX:-TieredCompilation, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, | 15074 | ACCEPTABLE | both may fail |
| false, true, C | 103502 | ACCEPTABLE | actor2 update successfully |
| true, false, A | 101064 | ACCEPTABLE | actor1 update successfully |
| true, true, A | 0 | FORBIDDEN | not both shall succeed |
| true, true, C | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-server, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, | 123106 | ACCEPTABLE | both may fail |
| false, true, C | 1593111 | ACCEPTABLE | actor2 update successfully |
| true, false, A | 1481313 | ACCEPTABLE | actor1 update successfully |
| true, true, A | 0 | FORBIDDEN | not both shall succeed |
| true, true, C | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-XX:TieredStopAtLevel=1] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, | 0 | ACCEPTABLE | both may fail |
| false, true, C | 443775 | ACCEPTABLE | actor2 update successfully |
| true, false, A | 730365 | ACCEPTABLE | actor1 update successfully |
| true, true, A | 0 | FORBIDDEN | not both shall succeed |
| true, true, C | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-client] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, | 90393 | ACCEPTABLE | both may fail |
| false, true, C | 584443 | ACCEPTABLE | actor2 update successfully |
| true, false, A | 696654 | ACCEPTABLE | actor1 update successfully |
| true, true, A | 0 | FORBIDDEN | not both shall succeed |
| true, true, C | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-server] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, | 42380 | ACCEPTABLE | both may fail |
| false, true, C | 460115 | ACCEPTABLE | actor2 update successfully |
| true, false, A | 345975 | ACCEPTABLE | actor1 update successfully |
| true, true, A | 0 | FORBIDDEN | not both shall succeed |
| true, true, C | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-server, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, | 129767 | ACCEPTABLE | both may fail |
| false, true, C | 554711 | ACCEPTABLE | actor2 update successfully |
| true, false, A | 770822 | ACCEPTABLE | actor1 update successfully |
| true, true, A | 0 | FORBIDDEN | not both shall succeed |
| true, true, C | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-Xint] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, | 0 | ACCEPTABLE | both may fail |
| false, true, C | 21081 | ACCEPTABLE | actor2 update successfully |
| true, false, A | 10779 | ACCEPTABLE | actor1 update successfully |
| true, true, A | 0 | FORBIDDEN | not both shall succeed |
| true, true, C | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-client, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, | 63968 | ACCEPTABLE | both may fail |
| false, true, C | 448110 | ACCEPTABLE | actor2 update successfully |
| true, false, A | 611592 | ACCEPTABLE | actor1 update successfully |
| true, true, A | 0 | FORBIDDEN | not both shall succeed |
| true, true, C | 0 | FORBIDDEN | not both shall succeed |