org.openjdk.jcstress.tests.acqrel.varHandles.byteBuffer.heap.big.opaque.CharByteTest

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
-1, -1, 6465 10129 522 67 234 831 ACCEPTABLE Default value for guard, allowed to see anything.
-1, -1, A 2957180 1506947 3748828 1918328 2298724 33750 ACCEPTABLE Observing the value for guard, allowed to see latest value.
0, -1, 5567 2906 4286 725 24259 7402 ACCEPTABLE Default value for guard, allowed to see anything.
0, -1, A 2252 362 3738 6596 4047 2 ACCEPTABLE Observing the value for guard, allowed to see latest value.
0, 0, 332880 110708 460253 272739 114974 2173 ACCEPTABLE Default value for guard, allowed to see anything.
0, 0, A 2194 116 1341 10003 0 0 ACCEPTABLE Seeing previous writes, allowed with racy guard.
OK OK OK OK OK OK

Auxiliary data