Tests VarHandle methods which take effect of load store fence.
JVM options: [-XX:TieredStopAtLevel=1] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| , | 2252963 | ACCEPTABLE | load y in actor2 before store A to y in actor1, all results are |
| , A | 0 | FORBIDDEN | this won't happen even if load var after store y because only if r1 = A var may be assigned to A and then r2 can be A from var. |
| A, | 497997 | ACCEPTABLE | store A to y in actor1 before load y in actor2 |
| A, A | 0 | FORBIDDEN | can't load var after store y in actor1. |
JVM options: [-server] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| , | 1307475 | ACCEPTABLE | load y in actor2 before store A to y in actor1, all results are |
| , A | 0 | FORBIDDEN | this won't happen even if load var after store y because only if r1 = A var may be assigned to A and then r2 can be A from var. |
| A, | 422985 | ACCEPTABLE | store A to y in actor1 before load y in actor2 |
| A, A | 0 | FORBIDDEN | can't load var after store y in actor1. |
JVM options: [-client] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| , | 2255053 | ACCEPTABLE | load y in actor2 before store A to y in actor1, all results are |
| , A | 0 | FORBIDDEN | this won't happen even if load var after store y because only if r1 = A var may be assigned to A and then r2 can be A from var. |
| A, | 725577 | ACCEPTABLE | store A to y in actor1 before load y in actor2 |
| A, A | 0 | FORBIDDEN | can't load var after store y in actor1. |
JVM options: [-server, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| , | 770599 | ACCEPTABLE | load y in actor2 before store A to y in actor1, all results are |
| , A | 0 | FORBIDDEN | this won't happen even if load var after store y because only if r1 = A var may be assigned to A and then r2 can be A from var. |
| A, | 175631 | ACCEPTABLE | store A to y in actor1 before load y in actor2 |
| A, A | 0 | FORBIDDEN | can't load var after store y in actor1. |
JVM options: [-server, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| , | 313051 | ACCEPTABLE | load y in actor2 before store A to y in actor1, all results are |
| , A | 0 | FORBIDDEN | this won't happen even if load var after store y because only if r1 = A var may be assigned to A and then r2 can be A from var. |
| A, | 314079 | ACCEPTABLE | store A to y in actor1 before load y in actor2 |
| A, A | 0 | FORBIDDEN | can't load var after store y in actor1. |
JVM options: [-Xint] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| , | 126272 | ACCEPTABLE | load y in actor2 before store A to y in actor1, all results are |
| , A | 0 | FORBIDDEN | this won't happen even if load var after store y because only if r1 = A var may be assigned to A and then r2 can be A from var. |
| A, | 5268 | ACCEPTABLE | store A to y in actor1 before load y in actor2 |
| A, A | 0 | FORBIDDEN | can't load var after store y in actor1. |
JVM options: [-client, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| , | 463410 | ACCEPTABLE | load y in actor2 before store A to y in actor1, all results are |
| , A | 0 | FORBIDDEN | this won't happen even if load var after store y because only if r1 = A var may be assigned to A and then r2 can be A from var. |
| A, | 347580 | ACCEPTABLE | store A to y in actor1 before load y in actor2 |
| A, A | 0 | FORBIDDEN | can't load var after store y in actor1. |
JVM options: [-server, -XX:-TieredCompilation, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| , | 3171354 | ACCEPTABLE | load y in actor2 before store A to y in actor1, all results are |
| , A | 0 | FORBIDDEN | this won't happen even if load var after store y because only if r1 = A var may be assigned to A and then r2 can be A from var. |
| A, | 777166 | ACCEPTABLE | store A to y in actor1 before load y in actor2 |
| A, A | 0 | FORBIDDEN | can't load var after store y in actor1. |