Tests VarHandle methods which take effect of load store fence.
JVM options: [-server, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, -1 | 0 | FORBIDDEN | can't load x after store var in actor1. |
| -1, 0 | 533961 | ACCEPTABLE | store -1 to var in actor1 before load var in actor2 |
| 0, -1 | 0 | FORBIDDEN | this won't happen even if load x after store var because only if r1 = -1 x may be assigned to -1 and then r2 can be -1 from x. |
| 0, 0 | 1441369 | ACCEPTABLE | load var in actor2 before store -1 to var in actor1, all results are 0 |
JVM options: [-client, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, -1 | 0 | FORBIDDEN | can't load x after store var in actor1. |
| -1, 0 | 413410 | ACCEPTABLE | store -1 to var in actor1 before load var in actor2 |
| 0, -1 | 0 | FORBIDDEN | this won't happen even if load x after store var because only if r1 = -1 x may be assigned to -1 and then r2 can be -1 from x. |
| 0, 0 | 1400890 | ACCEPTABLE | load var in actor2 before store -1 to var in actor1, all results are 0 |
JVM options: [-Xint] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, -1 | 0 | FORBIDDEN | can't load x after store var in actor1. |
| -1, 0 | 10543 | ACCEPTABLE | store -1 to var in actor1 before load var in actor2 |
| 0, -1 | 0 | FORBIDDEN | this won't happen even if load x after store var because only if r1 = -1 x may be assigned to -1 and then r2 can be -1 from x. |
| 0, 0 | 124807 | ACCEPTABLE | load var in actor2 before store -1 to var in actor1, all results are 0 |
JVM options: [-server] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, -1 | 0 | FORBIDDEN | can't load x after store var in actor1. |
| -1, 0 | 887931 | ACCEPTABLE | store -1 to var in actor1 before load var in actor2 |
| 0, -1 | 0 | FORBIDDEN | this won't happen even if load x after store var because only if r1 = -1 x may be assigned to -1 and then r2 can be -1 from x. |
| 0, 0 | 3253509 | ACCEPTABLE | load var in actor2 before store -1 to var in actor1, all results are 0 |
JVM options: [-client] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, -1 | 0 | FORBIDDEN | can't load x after store var in actor1. |
| -1, 0 | 524097 | ACCEPTABLE | store -1 to var in actor1 before load var in actor2 |
| 0, -1 | 0 | FORBIDDEN | this won't happen even if load x after store var because only if r1 = -1 x may be assigned to -1 and then r2 can be -1 from x. |
| 0, 0 | 2504993 | ACCEPTABLE | load var in actor2 before store -1 to var in actor1, all results are 0 |
JVM options: [-server, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, -1 | 0 | FORBIDDEN | can't load x after store var in actor1. |
| -1, 0 | 332056 | ACCEPTABLE | store -1 to var in actor1 before load var in actor2 |
| 0, -1 | 0 | FORBIDDEN | this won't happen even if load x after store var because only if r1 = -1 x may be assigned to -1 and then r2 can be -1 from x. |
| 0, 0 | 1212894 | ACCEPTABLE | load var in actor2 before store -1 to var in actor1, all results are 0 |
JVM options: [-server, -XX:-TieredCompilation, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, -1 | 0 | FORBIDDEN | can't load x after store var in actor1. |
| -1, 0 | 215194 | ACCEPTABLE | store -1 to var in actor1 before load var in actor2 |
| 0, -1 | 0 | FORBIDDEN | this won't happen even if load x after store var because only if r1 = -1 x may be assigned to -1 and then r2 can be -1 from x. |
| 0, 0 | 884326 | ACCEPTABLE | load var in actor2 before store -1 to var in actor1, all results are 0 |
JVM options: [-XX:TieredStopAtLevel=1] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, -1 | 0 | FORBIDDEN | can't load x after store var in actor1. |
| -1, 0 | 312348 | ACCEPTABLE | store -1 to var in actor1 before load var in actor2 |
| 0, -1 | 0 | FORBIDDEN | this won't happen even if load x after store var because only if r1 = -1 x may be assigned to -1 and then r2 can be -1 from x. |
| 0, 0 | 2560492 | ACCEPTABLE | load var in actor2 before store -1 to var in actor1, all results are 0 |