org.openjdk.jcstress.tests.fences.varHandles.LoadStoreFenceTest2.AcquireFenceString

Description and references

Tests VarHandle methods which take effect of load store fence.

Environment

java.specification.name Java Platform API Specification
java.specification.vendor Oracle Corporation
java.specification.version 13
java.vendor N/A
java.version 13-internal
java.vm.name OpenJDK 64-Bit Server VM
java.vm.vendor Oracle Corporation
java.vm.version 13-internal+0-adhoc.buildslave.jdk13
os.arch aarch64
os.name Linux
os.version 4.16.0-290-arm64

Test configurations

TC 1 JVM options: [-XX:-TieredCompilation] Iterations: 1 Time: 10 Stride: [10, 1024] (capped by TIME)
TC 2 JVM options: [-XX:-TieredCompilation, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 1 Time: 10 Stride: [10, 10000] (capped by NONE)
TC 3 JVM options: [-XX:TieredStopAtLevel=1] Iterations: 1 Time: 10 Stride: [10, 10000] (capped by NONE)
TC 4 JVM options: [-Xint] Iterations: 1 Time: 10 Stride: [10, 4096] (capped by TIME)

Observed states

Observed state TC 1 TC 2 TC 3 TC 4 Expectation Interpretation
null, null 0 0 0 10 ACCEPTABLE load y in actor2 before store object to y in actor1, all results are null
object, null 43265 328431 336891 90103 ACCEPTABLE store object to y in actor1 before load y in actor2
OK OK OK OK

Auxiliary data