null
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 |
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 state | TC 1 | TC 2 | TC 3 | TC 4 | TC 5 | TC 6 | Expectation | Interpretation |
---|---|---|---|---|---|---|---|---|
null, null, null | 4543040 | 2942250 | 1104630 | 2239860 | 0 | 0 | ACCEPTABLE | Default value for guard, allowed to see anything. |
null, null, object | 0 | 0 | 1652330 | 0 | 0 | 0 | ACCEPTABLE | Seeing previous writes, allowed with racy guard. |
null, object, null | 0 | 0 | 0 | 0 | 0 | 75990 | ACCEPTABLE | Default value for guard, allowed to see anything. |
object, object, null | 0 | 0 | 0 | 1927290 | 1146090 | 0 | ACCEPTABLE | Default value for guard, allowed to see anything. |
object, object, object | 4888888 | 1837338 | 1237058 | 2238738 | 3710618 | 83488 | ACCEPTABLE | Observing the value for guard, allowed to see latest value. |
OK | OK | OK | OK | OK | OK |