Tests atomicity of weakCompareAndSet.
JVM options: [-server, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, false | 23636 | ACCEPTABLE | both may fail |
| false, true, true | 340836 | ACCEPTABLE | actor2 update successfully |
| true, false, true | 1408598 | ACCEPTABLE | actor1 update successfully |
| true, true, true | 0 | FORBIDDEN | not both shall succeed |
| true, true, true | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-XX:TieredStopAtLevel=1] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, false | 0 | ACCEPTABLE | both may fail |
| false, true, true | 250809 | ACCEPTABLE | actor2 update successfully |
| true, false, true | 429721 | ACCEPTABLE | actor1 update successfully |
| true, true, true | 0 | FORBIDDEN | not both shall succeed |
| true, true, true | 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, false | 7020 | ACCEPTABLE | both may fail |
| false, true, true | 260228 | ACCEPTABLE | actor2 update successfully |
| true, false, true | 1787582 | ACCEPTABLE | actor1 update successfully |
| true, true, true | 0 | FORBIDDEN | not both shall succeed |
| true, true, true | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-client] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, false | 12125 | ACCEPTABLE | both may fail |
| false, true, true | 158812 | ACCEPTABLE | actor2 update successfully |
| true, false, true | 745263 | ACCEPTABLE | actor1 update successfully |
| true, true, true | 0 | FORBIDDEN | not both shall succeed |
| true, true, true | 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, false | 8698 | ACCEPTABLE | both may fail |
| false, true, true | 121305 | ACCEPTABLE | actor2 update successfully |
| true, false, true | 364387 | ACCEPTABLE | actor1 update successfully |
| true, true, true | 0 | FORBIDDEN | not both shall succeed |
| true, true, true | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-server] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, false | 2102 | ACCEPTABLE | both may fail |
| false, true, true | 251892 | ACCEPTABLE | actor2 update successfully |
| true, false, true | 305806 | ACCEPTABLE | actor1 update successfully |
| true, true, true | 0 | FORBIDDEN | not both shall succeed |
| true, true, true | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-Xint] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, false | 0 | ACCEPTABLE | both may fail |
| false, true, true | 41236 | ACCEPTABLE | actor2 update successfully |
| true, false, true | 25194 | ACCEPTABLE | actor1 update successfully |
| true, true, true | 0 | FORBIDDEN | not both shall succeed |
| true, true, true | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-client, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, false | 10693 | ACCEPTABLE | both may fail |
| false, true, true | 140807 | ACCEPTABLE | actor2 update successfully |
| true, false, true | 556880 | ACCEPTABLE | actor1 update successfully |
| true, true, true | 0 | FORBIDDEN | not both shall succeed |
| true, true, true | 0 | FORBIDDEN | not both shall succeed |