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, | 6465 | 10129 | 522 | 67 | 234 | 831 | ACCEPTABLE | Default value for guard, allowed to see anything. |
-1, -1, A | 2957180 | 1506947 | 3748828 | 1918328 | 2298724 | 33750 | ACCEPTABLE | Observing the value for guard, allowed to see latest value. |
0, -1, | 5567 | 2906 | 4286 | 725 | 24259 | 7402 | ACCEPTABLE | Default value for guard, allowed to see anything. |
0, -1, A | 2252 | 362 | 3738 | 6596 | 4047 | 2 | ACCEPTABLE | Observing the value for guard, allowed to see latest value. |
0, 0, | 332880 | 110708 | 460253 | 272739 | 114974 | 2173 | ACCEPTABLE | Default value for guard, allowed to see anything. |
0, 0, A | 2194 | 116 | 1341 | 10003 | 0 | 0 | ACCEPTABLE | Seeing previous writes, allowed with racy guard. |
OK | OK | OK | OK | OK | OK |