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

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 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 3483123 3909624 1664429 3134460 5475987 61863 ACCEPTABLE load y in actor2 before store 2.3509528E-38 to y in actor1, all results are 0.0
2.3509528E-38, 0.0 1219965 876384 697969 663778 1584871 36875 ACCEPTABLE store 2.3509528E-38 to y in actor1 before load y in actor2
OK OK OK OK OK OK

Auxiliary data