org.openjdk.jcstress.tests.accessAtomic.varHandles.byteBuffer.direct.big.plain.DoubleTest

Description and references

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http://docs.oracle.com/javase/specs/jls/se7/html/jls-17.html#jls-17.7

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 219313 136878 42113 100898 38809 30271 ACCEPTABLE Default value for the field. Allowed to see this: data race.
1.39067116124321E-309 539845 702260 758655 910710 705999 33677 ACCEPTABLE The value set by the actor thread. Observer sees the complete update.
OK OK OK OK OK OK

Auxiliary data