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 | 86859 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| false, true | 37996 | 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 | 1155145 | ACCEPTABLE | actor2 observe the variables after actor1 update completely |
JVM options: [-Xint] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false | 26958 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| false, true | 14556 | 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 | 74606 | 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 | 33484 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| false, true | 11190 | 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 | 254966 | 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 | 99939 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| false, true | 38235 | 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 | 2201266 | 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 | 3077 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| false, true | 405 | 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 | 2488138 | ACCEPTABLE | actor2 observe the variables after actor1 update completely |
JVM options: [-server] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false | 16319 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| false, true | 4311 | 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 | 1981380 | ACCEPTABLE | actor2 observe the variables after actor1 update completely |
JVM options: [-client] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false | 9296 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| false, true | 1622 | 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 | 1580562 | 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 | 85886 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| false, true | 30048 | 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 | 1130496 | ACCEPTABLE | actor2 observe the variables after actor1 update completely |