Tests VarHandle methods which take effect of load store fence.
JVM options: [-client] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false | 1011583 | ACCEPTABLE | load y in actor2 before store true to y in actor1, all results are false |
| false, true | 0 | FORBIDDEN | this won't happen even if load var after store y because only if r1 = true var may be assigned to true and then r2 can be true from var. |
| true, false | 262597 | ACCEPTABLE | store true to y in actor1 before load y in actor2 |
| true, true | 0 | FORBIDDEN | can't load var after store y in actor1. |
JVM options: [-server] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false | 696094 | ACCEPTABLE | load y in actor2 before store true to y in actor1, all results are false |
| false, true | 0 | FORBIDDEN | this won't happen even if load var after store y because only if r1 = true var may be assigned to true and then r2 can be true from var. |
| true, false | 102696 | ACCEPTABLE | store true to y in actor1 before load y in actor2 |
| true, true | 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 |
|---|---|---|---|
| false, false | 641443 | ACCEPTABLE | load y in actor2 before store true to y in actor1, all results are false |
| false, true | 0 | FORBIDDEN | this won't happen even if load var after store y because only if r1 = true var may be assigned to true and then r2 can be true from var. |
| true, false | 171447 | ACCEPTABLE | store true to y in actor1 before load y in actor2 |
| true, true | 0 | FORBIDDEN | can't load var after store y in actor1. |
JVM options: [-XX:TieredStopAtLevel=1] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false | 2137284 | ACCEPTABLE | load y in actor2 before store true to y in actor1, all results are false |
| false, true | 0 | FORBIDDEN | this won't happen even if load var after store y because only if r1 = true var may be assigned to true and then r2 can be true from var. |
| true, false | 447466 | ACCEPTABLE | store true to y in actor1 before load y in actor2 |
| true, true | 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 |
|---|---|---|---|
| false, false | 451116 | ACCEPTABLE | load y in actor2 before store true to y in actor1, all results are false |
| false, true | 0 | FORBIDDEN | this won't happen even if load var after store y because only if r1 = true var may be assigned to true and then r2 can be true from var. |
| true, false | 524704 | ACCEPTABLE | store true to y in actor1 before load y in actor2 |
| true, true | 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 |
|---|---|---|---|
| false, false | 1344152 | ACCEPTABLE | load y in actor2 before store true to y in actor1, all results are false |
| false, true | 0 | FORBIDDEN | this won't happen even if load var after store y because only if r1 = true var may be assigned to true and then r2 can be true from var. |
| true, false | 397428 | ACCEPTABLE | store true to y in actor1 before load y in actor2 |
| true, true | 0 | FORBIDDEN | can't load var after store y in actor1. |
JVM options: [-Xint] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false | 88821 | ACCEPTABLE | load y in actor2 before store true to y in actor1, all results are false |
| false, true | 0 | FORBIDDEN | this won't happen even if load var after store y because only if r1 = true var may be assigned to true and then r2 can be true from var. |
| true, false | 8799 | ACCEPTABLE | store true to y in actor1 before load y in actor2 |
| true, true | 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 |
|---|---|---|---|
| false, false | 604691 | ACCEPTABLE | load y in actor2 before store true to y in actor1, all results are false |
| false, true | 0 | FORBIDDEN | this won't happen even if load var after store y because only if r1 = true var may be assigned to true and then r2 can be true from var. |
| true, false | 344849 | ACCEPTABLE | store true to y in actor1 before load y in actor2 |
| true, true | 0 | FORBIDDEN | can't load var after store y in actor1. |