org.openjdk.jcstress.tests.memeffects.basic.atomicupdaters.AtomicLongFieldUpdater.atomic_getAndSet_getAndDecrement_char

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, 10684 136655 32952 43269 7285 3878 ACCEPTABLE Seeing default guard, can see any value
0, A 8137 23498 29119 8465 12298 2890 ACCEPTABLE Seeing default guard, can see any value
42, A 283447 603765 491037 656714 345125 43000 ACCEPTABLE Seeing set guard, seeing the updated value
OK OK OK OK OK OK

Auxiliary data