Tests atomicity of weakCompareAndSet.
JVM options: [-server] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 48 | ACCEPTABLE | both may fail |
| false, true, 2.0 | 57474 | ACCEPTABLE | actor2 update successfully |
| true, false, 1.39067116124321E-309 | 368478 | ACCEPTABLE | actor1 update successfully |
| true, true, 1.39067116124321E-309 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-XX:TieredStopAtLevel=1] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 0 | ACCEPTABLE | both may fail |
| false, true, 2.0 | 93192 | ACCEPTABLE | actor2 update successfully |
| true, false, 1.39067116124321E-309 | 1045628 | ACCEPTABLE | actor1 update successfully |
| true, true, 1.39067116124321E-309 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-client] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 58 | ACCEPTABLE | both may fail |
| false, true, 2.0 | 51338 | ACCEPTABLE | actor2 update successfully |
| true, false, 1.39067116124321E-309 | 277644 | ACCEPTABLE | actor1 update successfully |
| true, true, 1.39067116124321E-309 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-server, -XX:-TieredCompilation, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 298 | ACCEPTABLE | both may fail |
| false, true, 2.0 | 114523 | ACCEPTABLE | actor2 update successfully |
| true, false, 1.39067116124321E-309 | 706819 | ACCEPTABLE | actor1 update successfully |
| true, true, 1.39067116124321E-309 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-Xint] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 0 | ACCEPTABLE | both may fail |
| false, true, 2.0 | 14 | ACCEPTABLE | actor2 update successfully |
| true, false, 1.39067116124321E-309 | 36256 | ACCEPTABLE | actor1 update successfully |
| true, true, 1.39067116124321E-309 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-server, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 195 | ACCEPTABLE | both may fail |
| false, true, 2.0 | 183890 | ACCEPTABLE | actor2 update successfully |
| true, false, 1.39067116124321E-309 | 711625 | ACCEPTABLE | actor1 update successfully |
| true, true, 1.39067116124321E-309 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-client, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 135 | ACCEPTABLE | both may fail |
| false, true, 2.0 | 107836 | ACCEPTABLE | actor2 update successfully |
| true, false, 1.39067116124321E-309 | 409709 | ACCEPTABLE | actor1 update successfully |
| true, true, 1.39067116124321E-309 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.0 | 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, 0.0 | 253 | ACCEPTABLE | both may fail |
| false, true, 2.0 | 164762 | ACCEPTABLE | actor2 update successfully |
| true, false, 1.39067116124321E-309 | 623795 | ACCEPTABLE | actor1 update successfully |
| true, true, 1.39067116124321E-309 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |