Tests atomicity of weakCompareAndSet.
JVM options: [-server, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, null | 40 | ACCEPTABLE | both may fail |
| false, true, 2 | 7872 | ACCEPTABLE | actor2 update successfully |
| true, false, object | 64058 | ACCEPTABLE | actor1 update successfully |
| true, true, 2 | 0 | FORBIDDEN | not both shall succeed |
| true, true, object | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-Xint] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, null | 0 | ACCEPTABLE | both may fail |
| false, true, 2 | 36389 | ACCEPTABLE | actor2 update successfully |
| true, false, object | 34521 | ACCEPTABLE | actor1 update successfully |
| true, true, 2 | 0 | FORBIDDEN | not both shall succeed |
| true, true, object | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-client, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, null | 314 | ACCEPTABLE | both may fail |
| false, true, 2 | 272365 | ACCEPTABLE | actor2 update successfully |
| true, false, object | 915351 | ACCEPTABLE | actor1 update successfully |
| true, true, 2 | 0 | FORBIDDEN | not both shall succeed |
| true, true, object | 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, null | 330 | ACCEPTABLE | both may fail |
| false, true, 2 | 142092 | ACCEPTABLE | actor2 update successfully |
| true, false, object | 1922488 | ACCEPTABLE | actor1 update successfully |
| true, true, 2 | 0 | FORBIDDEN | not both shall succeed |
| true, true, object | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-XX:TieredStopAtLevel=1] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, null | 0 | ACCEPTABLE | both may fail |
| false, true, 2 | 327106 | ACCEPTABLE | actor2 update successfully |
| true, false, object | 1110384 | ACCEPTABLE | actor1 update successfully |
| true, true, 2 | 0 | FORBIDDEN | not both shall succeed |
| true, true, object | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-server] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, null | 751 | ACCEPTABLE | both may fail |
| false, true, 2 | 509913 | ACCEPTABLE | actor2 update successfully |
| true, false, object | 1150736 | ACCEPTABLE | actor1 update successfully |
| true, true, 2 | 0 | FORBIDDEN | not both shall succeed |
| true, true, object | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-client] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, null | 841 | ACCEPTABLE | both may fail |
| false, true, 2 | 448842 | ACCEPTABLE | actor2 update successfully |
| true, false, object | 1380197 | ACCEPTABLE | actor1 update successfully |
| true, true, 2 | 0 | FORBIDDEN | not both shall succeed |
| true, true, object | 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, null | 404 | ACCEPTABLE | both may fail |
| false, true, 2 | 215657 | ACCEPTABLE | actor2 update successfully |
| true, false, object | 562669 | ACCEPTABLE | actor1 update successfully |
| true, true, 2 | 0 | FORBIDDEN | not both shall succeed |
| true, true, object | 0 | FORBIDDEN | not both shall succeed |