org.openjdk.jcstress.tests.atomicity.varHandles.byteArray.little.GetAndSetTest.GetAndSetInt

Description and references

Tests atomicity of getAndSet.

Environment

java.specification.name Java Platform API Specification
java.specification.vendor Oracle Corporation
java.specification.version 15
java.vendor N/A
java.version 15-internal
java.vm.name OpenJDK 64-Bit Server VM
java.vm.vendor Oracle Corporation
java.vm.version 15-internal+0-adhoc.buildslave.jdkX
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, 10000] (capped by NONE)
TC 2 JVM options: [-XX:-TieredCompilation, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 1 Time: 10 Stride: [10, 8192] (capped by TIME)
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, 512] (capped by TIME)

Observed states

Observed state TC 1 TC 2 TC 3 TC 4 Expectation Interpretation
-2, 0, -1 1274 0 7027 0 ACCEPTABLE actor1 execute after actor2
0, -1, -2 328777 229377 332424 20481 ACCEPTABLE actor1 execute before actor2
OK OK OK OK

Auxiliary data