Tests VarHandle methods which take effect of store store fence.
JVM options: [-server, -XX:-TieredCompilation, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false | 64679 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| false, true | 24374 | ACCEPTABLE | actor2 observe the variables after var is already updated but y hasn't yet |
| true, false | 0 | FORBIDDEN | y won't be observed to be updated before var is updated |
| true, true | 1274247 | ACCEPTABLE | actor2 observe the variables after actor1 update completely |
JVM options: [-XX:TieredStopAtLevel=1] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false | 2472 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| false, true | 956 | ACCEPTABLE | actor2 observe the variables after var is already updated but y hasn't yet |
| true, false | 0 | FORBIDDEN | y won't be observed to be updated before var is updated |
| true, true | 2677672 | ACCEPTABLE | actor2 observe the variables after actor1 update completely |
JVM options: [-server, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false | 11455 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| false, true | 4814 | ACCEPTABLE | actor2 observe the variables after var is already updated but y hasn't yet |
| true, false | 0 | FORBIDDEN | y won't be observed to be updated before var is updated |
| true, true | 3089171 | ACCEPTABLE | actor2 observe the variables after actor1 update completely |
JVM options: [-client, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false | 220501 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| false, true | 67730 | ACCEPTABLE | actor2 observe the variables after var is already updated but y hasn't yet |
| true, false | 0 | FORBIDDEN | y won't be observed to be updated before var is updated |
| true, true | 1341079 | ACCEPTABLE | actor2 observe the variables after actor1 update completely |
JVM options: [-Xint] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false | 3317 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| false, true | 1247 | ACCEPTABLE | actor2 observe the variables after var is already updated but y hasn't yet |
| true, false | 0 | FORBIDDEN | y won't be observed to be updated before var is updated |
| true, true | 15416 | ACCEPTABLE | actor2 observe the variables after actor1 update completely |
JVM options: [-client] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false | 9440 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| false, true | 1913 | ACCEPTABLE | actor2 observe the variables after var is already updated but y hasn't yet |
| true, false | 0 | FORBIDDEN | y won't be observed to be updated before var is updated |
| true, true | 2245437 | ACCEPTABLE | actor2 observe the variables after actor1 update completely |
JVM options: [-server, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false | 15561 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| false, true | 2729 | ACCEPTABLE | actor2 observe the variables after var is already updated but y hasn't yet |
| true, false | 0 | FORBIDDEN | y won't be observed to be updated before var is updated |
| true, true | 850240 | ACCEPTABLE | actor2 observe the variables after actor1 update completely |
JVM options: [-server] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false | 14228 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| false, true | 6566 | ACCEPTABLE | actor2 observe the variables after var is already updated but y hasn't yet |
| true, false | 0 | FORBIDDEN | y won't be observed to be updated before var is updated |
| true, true | 851196 | ACCEPTABLE | actor2 observe the variables after actor1 update completely |