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, | 38424 | 47171 | 371 | 94 | 61 | 843 | ACCEPTABLE | Default value for guard, allowed to see anything. |
-1, -1, A | 3001934 | 1768566 | 2502664 | 2865706 | 2401011 | 33338 | ACCEPTABLE | Observing the value for guard, allowed to see latest value. |
0, -1, | 0 | 0 | 0 | 0 | 0 | 5124 | ACCEPTABLE | Default value for guard, allowed to see anything. |
0, -1, A | 0 | 0 | 0 | 0 | 0 | 1 | ACCEPTABLE | Observing the value for guard, allowed to see latest value. |
0, 0, | 409658 | 1084762 | 1381229 | 646121 | 124922 | 1662 | ACCEPTABLE | Default value for guard, allowed to see anything. |
0, 0, A | 432 | 11779 | 13704 | 14957 | 5714 | 0 | ACCEPTABLE | Seeing previous writes, allowed with racy guard. |
OK | OK | OK | OK | OK | OK |