org.openjdk.jcstress.tests.acqrel.varHandles.byteBuffer.heap.little.opaque.FloatLongTest

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
-1, -1, 0.0 15591 26786 57 79 79 1047 ACCEPTABLE Default value for guard, allowed to see anything.
-1, -1, 2.3509528E-38 2168661 2650947 2611740 2376164 1865902 33468 ACCEPTABLE Observing the value for guard, allowed to see latest value.
0, -1, 0.0 13577 17326 393 1352 5034 7528 ACCEPTABLE Default value for guard, allowed to see anything.
0, -1, 2.3509528E-38 5051 1341 1068 2345 259 1 ACCEPTABLE Observing the value for guard, allowed to see latest value.
0, 0, 0.0 775284 579843 49870 399318 52554 1244 ACCEPTABLE Default value for guard, allowed to see anything.
0, 0, 2.3509528E-38 1344 5 0 130 0 0 ACCEPTABLE Seeing previous writes, allowed with racy guard.
OK OK OK OK OK OK

Auxiliary data