Tests VarHandle methods which take effect of load load fence.
JVM options: [-server, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false | 102995 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| false, true | 31394 | ACCEPTABLE | actor2 observe the variables after x is already updated but var hasn't yet |
| true, false | 0 | FORBIDDEN | var won't be observed to be updated before x is updated |
| true, true | 1098111 | 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 | 383862 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| false, true | 10510 | ACCEPTABLE | actor2 observe the variables after x is already updated but var hasn't yet |
| true, false | 0 | FORBIDDEN | var won't be observed to be updated before x is updated |
| true, true | 1913758 | ACCEPTABLE | actor2 observe the variables after actor1 update completely |
JVM options: [-client] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false | 49488 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| false, true | 25070 | ACCEPTABLE | actor2 observe the variables after x is already updated but var hasn't yet |
| true, false | 0 | FORBIDDEN | var won't be observed to be updated before x is updated |
| true, true | 1445142 | ACCEPTABLE | actor2 observe the variables after actor1 update completely |
JVM options: [-Xint] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false | 20957 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| false, true | 14063 | ACCEPTABLE | actor2 observe the variables after x is already updated but var hasn't yet |
| true, false | 0 | FORBIDDEN | var won't be observed to be updated before x is updated |
| true, true | 78410 | ACCEPTABLE | actor2 observe the variables after actor1 update completely |
JVM options: [-server, -XX:-TieredCompilation, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false | 566762 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| false, true | 28293 | ACCEPTABLE | actor2 observe the variables after x is already updated but var hasn't yet |
| true, false | 0 | FORBIDDEN | var won't be observed to be updated before x is updated |
| true, true | 2587535 | 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 | 57205 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| false, true | 29420 | ACCEPTABLE | actor2 observe the variables after x is already updated but var hasn't yet |
| true, false | 0 | FORBIDDEN | var won't be observed to be updated before x is updated |
| true, true | 1644065 | ACCEPTABLE | actor2 observe the variables after actor1 update completely |
JVM options: [-server] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false | 60865 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| false, true | 20777 | ACCEPTABLE | actor2 observe the variables after x is already updated but var hasn't yet |
| true, false | 0 | FORBIDDEN | var won't be observed to be updated before x is updated |
| true, true | 1006478 | 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 | 3597 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| false, true | 951 | ACCEPTABLE | actor2 observe the variables after x is already updated but var hasn't yet |
| true, false | 0 | FORBIDDEN | var won't be observed to be updated before x is updated |
| true, true | 1959092 | ACCEPTABLE | actor2 observe the variables after actor1 update completely |