Tests atomicity of weakCompareAndSet.
JVM options: [-client] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 4943 | ACCEPTABLE | both may fail |
| false, true, 2.0 | 303751 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 1574306 | ACCEPTABLE | actor1 update successfully |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.3509528E-38 | 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 | 104289 | ACCEPTABLE | both may fail |
| false, true, 2.0 | 157938 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 1592743 | ACCEPTABLE | actor1 update successfully |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.3509528E-38 | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-server] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 1057 | ACCEPTABLE | both may fail |
| false, true, 2.0 | 45046 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 426467 | ACCEPTABLE | actor1 update successfully |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.3509528E-38 | 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 | 74 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 27956 | ACCEPTABLE | actor1 update successfully |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.3509528E-38 | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-client, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 5612 | ACCEPTABLE | both may fail |
| false, true, 2.0 | 37788 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 79470 | ACCEPTABLE | actor1 update successfully |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.3509528E-38 | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-server, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 48651 | ACCEPTABLE | both may fail |
| false, true, 2.0 | 171113 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 781876 | ACCEPTABLE | actor1 update successfully |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.3509528E-38 | 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 | 9406 | ACCEPTABLE | both may fail |
| false, true, 2.0 | 32642 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 366932 | ACCEPTABLE | actor1 update successfully |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.3509528E-38 | 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 | 81181 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 553959 | ACCEPTABLE | actor1 update successfully |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.3509528E-38 | 0 | FORBIDDEN | not both shall succeed |