Tests atomicity of weakCompareAndSet.
JVM options: [-client, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 158113 | ACCEPTABLE | both may fail |
| false, true, 2.0 | 359748 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 1059249 | 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 | 30 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 45190 | 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] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 6536 | ACCEPTABLE | both may fail |
| false, true, 2.0 | 122192 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 256952 | 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 | 42416 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 449054 | 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 | 8330 | ACCEPTABLE | both may fail |
| false, true, 2.0 | 139698 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 562522 | 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 | 13081 | ACCEPTABLE | both may fail |
| false, true, 2.0 | 135800 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 272389 | 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 | 33496 | ACCEPTABLE | both may fail |
| false, true, 2.0 | 301829 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 691855 | 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 | 73213 | ACCEPTABLE | both may fail |
| false, true, 2.0 | 150318 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 478419 | 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 |