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 |
---|---|---|---|---|---|---|---|---|
-1, -1, | 32336 | 53746 | 448 | 1588 | 17 | 139 | ACCEPTABLE | Default value for guard, allowed to see anything. |
-1, -1, A | 4530686 | 5039946 | 3320055 | 4408105 | 4828401 | 37304 | ACCEPTABLE | Observing the value for guard, allowed to see latest value. |
0, -1, | 0 | 0 | 0 | 0 | 0 | 3913 | ACCEPTABLE | Default value for guard, allowed to see anything. |
0, 0, | 519045 | 1153908 | 175471 | 416351 | 20299 | 482 | ACCEPTABLE | Default value for guard, allowed to see anything. |
0, 0, A | 4961 | 6948 | 334 | 974 | 711 | 0 | ACCEPTABLE | Seeing previous writes, allowed with racy guard. |
OK | OK | OK | OK | OK | OK |