Tests VarHandle methods which take effect of load store fence.
JVM options: [-XX:TieredStopAtLevel=1] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, -1 | 0 | FORBIDDEN | can't load var after store y in actor1. |
| -1, 0 | 458634 | ACCEPTABLE | store -1 to y in actor1 before load y in actor2 |
| 0, -1 | 0 | FORBIDDEN | this won't happen even if load var after store y because only if r1 = -1 var may be assigned to -1 and then r2 can be -1 from var. |
| 0, 0 | 2038506 | ACCEPTABLE | load y in actor2 before store -1 to y 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 var after store y in actor1. |
| -1, 0 | 133066 | ACCEPTABLE | store -1 to y in actor1 before load y in actor2 |
| 0, -1 | 0 | FORBIDDEN | this won't happen even if load var after store y because only if r1 = -1 var may be assigned to -1 and then r2 can be -1 from var. |
| 0, 0 | 338144 | ACCEPTABLE | load y in actor2 before store -1 to y 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 var after store y in actor1. |
| -1, 0 | 8156 | ACCEPTABLE | store -1 to y in actor1 before load y in actor2 |
| 0, -1 | 0 | FORBIDDEN | this won't happen even if load var after store y because only if r1 = -1 var may be assigned to -1 and then r2 can be -1 from var. |
| 0, 0 | 116694 | ACCEPTABLE | load y in actor2 before store -1 to y 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 var after store y in actor1. |
| -1, 0 | 365391 | ACCEPTABLE | store -1 to y in actor1 before load y in actor2 |
| 0, -1 | 0 | FORBIDDEN | this won't happen even if load var after store y because only if r1 = -1 var may be assigned to -1 and then r2 can be -1 from var. |
| 0, 0 | 2118389 | ACCEPTABLE | load y in actor2 before store -1 to y 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 var after store y in actor1. |
| -1, 0 | 458228 | ACCEPTABLE | store -1 to y in actor1 before load y in actor2 |
| 0, -1 | 0 | FORBIDDEN | this won't happen even if load var after store y because only if r1 = -1 var may be assigned to -1 and then r2 can be -1 from var. |
| 0, 0 | 1986872 | ACCEPTABLE | load y in actor2 before store -1 to y 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 var after store y in actor1. |
| -1, 0 | 147922 | ACCEPTABLE | store -1 to y in actor1 before load y in actor2 |
| 0, -1 | 0 | FORBIDDEN | this won't happen even if load var after store y because only if r1 = -1 var may be assigned to -1 and then r2 can be -1 from var. |
| 0, 0 | 96288 | ACCEPTABLE | load y in actor2 before store -1 to y in actor1, all results are 0 |
JVM options: [-server, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, -1 | 0 | FORBIDDEN | can't load var after store y in actor1. |
| -1, 0 | 107046 | ACCEPTABLE | store -1 to y in actor1 before load y in actor2 |
| 0, -1 | 0 | FORBIDDEN | this won't happen even if load var after store y because only if r1 = -1 var may be assigned to -1 and then r2 can be -1 from var. |
| 0, 0 | 296194 | ACCEPTABLE | load y in actor2 before store -1 to y 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 var after store y in actor1. |
| -1, 0 | 150378 | ACCEPTABLE | store -1 to y in actor1 before load y in actor2 |
| 0, -1 | 0 | FORBIDDEN | this won't happen even if load var after store y because only if r1 = -1 var may be assigned to -1 and then r2 can be -1 from var. |
| 0, 0 | 502662 | ACCEPTABLE | load y in actor2 before store -1 to y in actor1, all results are 0 |