org.openjdk.jcstress.tests.memeffects.basic.atomic.AtomicLong.atomic_decrementAndGet_decrementAndGet_double

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 242920 13738 12389 5292 449276 971 ACCEPTABLE Seeing default guard, can see any value
0, 42.0 81568 5709 3714 2141 38972 32397 ACCEPTABLE Seeing default guard, can see any value
42, 42.0 3588070 3345141 927845 2158075 2508040 56480 ACCEPTABLE Seeing set guard, seeing the updated value
OK OK OK OK OK OK

Auxiliary data