Tests VarHandle methods which take effect of load load fence.
[1]JVM options: [-Xint] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| .*, 1.39067116124321E-309 | 0 | ACCEPTABLE_SPEC | Non-atomic access detected, allowed by spec, if r1 is half-value, load x must get a full-value |
| 0.0, .* | 0 | ACCEPTABLE_SPEC | Non-atomic access detected, allowed by spec, when load x in actor2 before fullFence in actor1 |
| 0.0, 0.0 | 16595 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| 0.0, 1.39067116124321E-309 | 6283 | ACCEPTABLE | actor2 observe the variables after x is already updated but var hasn't yet |
| 1.39067116124321E-309, 0.0 | 0 | FORBIDDEN | var won't be observed to be updated before x is updated |
| 1.39067116124321E-309, 1.39067116124321E-309 | 66492 | ACCEPTABLE | actor2 observe the variables after actor1 update completely |
JVM options: [-server, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| .*, 1.39067116124321E-309 | 0 | ACCEPTABLE_SPEC | Non-atomic access detected, allowed by spec, if r1 is half-value, load x must get a full-value |
| 0.0, .* | 0 | ACCEPTABLE_SPEC | Non-atomic access detected, allowed by spec, when load x in actor2 before fullFence in actor1 |
| 0.0, 0.0 | 30944 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| 0.0, 1.39067116124321E-309 | 9159 | ACCEPTABLE | actor2 observe the variables after x is already updated but var hasn't yet |
| 1.39067116124321E-309, 0.0 | 0 | FORBIDDEN | var won't be observed to be updated before x is updated |
| 1.39067116124321E-309, 1.39067116124321E-309 | 1142867 | 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 |
|---|---|---|---|
| .*, 1.39067116124321E-309 | 0 | ACCEPTABLE_SPEC | Non-atomic access detected, allowed by spec, if r1 is half-value, load x must get a full-value |
| 0.0, .* | 0 | ACCEPTABLE_SPEC | Non-atomic access detected, allowed by spec, when load x in actor2 before fullFence in actor1 |
| 0.0, 0.0 | 2383 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| 0.0, 1.39067116124321E-309 | 709 | ACCEPTABLE | actor2 observe the variables after x is already updated but var hasn't yet |
| 1.39067116124321E-309, 0.0 | 0 | FORBIDDEN | var won't be observed to be updated before x is updated |
| 1.39067116124321E-309, 1.39067116124321E-309 | 1831578 | ACCEPTABLE | actor2 observe the variables after actor1 update completely |
JVM options: [-client] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| .*, 1.39067116124321E-309 | 0 | ACCEPTABLE_SPEC | Non-atomic access detected, allowed by spec, if r1 is half-value, load x must get a full-value |
| 0.0, .* | 0 | ACCEPTABLE_SPEC | Non-atomic access detected, allowed by spec, when load x in actor2 before fullFence in actor1 |
| 0.0, 0.0 | 5230 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| 0.0, 1.39067116124321E-309 | 2717 | ACCEPTABLE | actor2 observe the variables after x is already updated but var hasn't yet |
| 1.39067116124321E-309, 0.0 | 0 | FORBIDDEN | var won't be observed to be updated before x is updated |
| 1.39067116124321E-309, 1.39067116124321E-309 | 385533 | ACCEPTABLE | actor2 observe the variables after actor1 update completely |
JVM options: [-client, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| .*, 1.39067116124321E-309 | 0 | ACCEPTABLE_SPEC | Non-atomic access detected, allowed by spec, if r1 is half-value, load x must get a full-value |
| 0.0, .* | 0 | ACCEPTABLE_SPEC | Non-atomic access detected, allowed by spec, when load x in actor2 before fullFence in actor1 |
| 0.0, 0.0 | 105118 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| 0.0, 1.39067116124321E-309 | 22100 | ACCEPTABLE | actor2 observe the variables after x is already updated but var hasn't yet |
| 1.39067116124321E-309, 0.0 | 0 | FORBIDDEN | var won't be observed to be updated before x is updated |
| 1.39067116124321E-309, 1.39067116124321E-309 | 770562 | 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 |
|---|---|---|---|
| .*, 1.39067116124321E-309 | 0 | ACCEPTABLE_SPEC | Non-atomic access detected, allowed by spec, if r1 is half-value, load x must get a full-value |
| 0.0, .* | 0 | ACCEPTABLE_SPEC | Non-atomic access detected, allowed by spec, when load x in actor2 before fullFence in actor1 |
| 0.0, 0.0 | 269873 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| 0.0, 1.39067116124321E-309 | 49621 | ACCEPTABLE | actor2 observe the variables after x is already updated but var hasn't yet |
| 1.39067116124321E-309, 0.0 | 0 | FORBIDDEN | var won't be observed to be updated before x is updated |
| 1.39067116124321E-309, 1.39067116124321E-309 | 1536146 | ACCEPTABLE | actor2 observe the variables after actor1 update completely |
JVM options: [-server] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| .*, 1.39067116124321E-309 | 0 | ACCEPTABLE_SPEC | Non-atomic access detected, allowed by spec, if r1 is half-value, load x must get a full-value |
| 0.0, .* | 0 | ACCEPTABLE_SPEC | Non-atomic access detected, allowed by spec, when load x in actor2 before fullFence in actor1 |
| 0.0, 0.0 | 78679 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| 0.0, 1.39067116124321E-309 | 954 | ACCEPTABLE | actor2 observe the variables after x is already updated but var hasn't yet |
| 1.39067116124321E-309, 0.0 | 0 | FORBIDDEN | var won't be observed to be updated before x is updated |
| 1.39067116124321E-309, 1.39067116124321E-309 | 2129297 | ACCEPTABLE | actor2 observe the variables after actor1 update completely |
JVM options: [-XX:TieredStopAtLevel=1] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| .*, 1.39067116124321E-309 | 0 | ACCEPTABLE_SPEC | Non-atomic access detected, allowed by spec, if r1 is half-value, load x must get a full-value |
| 0.0, .* | 0 | ACCEPTABLE_SPEC | Non-atomic access detected, allowed by spec, when load x in actor2 before fullFence in actor1 |
| 0.0, 0.0 | 18119 | ACCEPTABLE | actor2 observe the variables before actor1 update |
| 0.0, 1.39067116124321E-309 | 5062 | ACCEPTABLE | actor2 observe the variables after x is already updated but var hasn't yet |
| 1.39067116124321E-309, 0.0 | 0 | FORBIDDEN | var won't be observed to be updated before x is updated |
| 1.39067116124321E-309, 1.39067116124321E-309 | 917129 | ACCEPTABLE | actor2 observe the variables after actor1 update completely |