org.openjdk.jcstress.tests.acqrel.varHandles.byteArray.little.opaque.DoubleDoubleTest

Description and references

null

Environment

java.specification.name Java Platform API Specification
java.specification.vendor Oracle Corporation
java.specification.version 10
java.vendor Oracle Corporation
java.version 10-internal
java.vm.name OpenJDK 64-Bit Server VM
java.vm.vendor Oracle Corporation
java.vm.version 10-internal+0-adhoc.buildslave.jdk10
os.arch aarch64
os.name Linux
os.version 4.4.0-63-generic

Test configurations

TC 1 JVM options: [] Iterations: 5 Time: 200
TC 2 JVM options: [-XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
TC 3 JVM options: [-XX:-TieredCompilation] Iterations: 5 Time: 200
TC 4 JVM options: [-XX:-TieredCompilation, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
TC 5 JVM options: [-XX:TieredStopAtLevel=1] Iterations: 5 Time: 200
TC 6 JVM options: [-Xint] Iterations: 5 Time: 200

Observed states

Observed state TC 1 TC 2 TC 3 TC 4 TC 5 TC 6 Expectation Interpretation
0.0, 0.0, 0.0 452162 321930 136385 258764 49554 43 ACCEPTABLE Default value for guard, allowed to see anything.
0.0, 0.0, 1.39067116124321E-309 36 199 351 69 0 0 ACCEPTABLE Seeing previous writes, allowed with racy guard.
0.0, 1.39067116124321E-309, 0.0 1558 2872 649 625 2111 3197 ACCEPTABLE Default value for guard, allowed to see anything.
0.0, 1.39067116124321E-309, 1.39067116124321E-309 1056 750 434 928 316 1 ACCEPTABLE Observing the value for guard, allowed to see latest value.
1.39067116124321E-309, 1.39067116124321E-309, 0.0 6015 9758 493 1602 92 1028 ACCEPTABLE Default value for guard, allowed to see anything.
1.39067116124321E-309, 1.39067116124321E-309, 1.39067116124321E-309 3168361 1518849 4186856 1779610 2722185 40009 ACCEPTABLE Observing the value for guard, allowed to see latest value.
OK OK OK OK OK OK

Auxiliary data