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, | 9648 | 24659 | 1309 | 74 | 140 | 271 | ACCEPTABLE | Default value for guard, allowed to see anything. |
-1, -1, A | 6728547 | 4305529 | 3583305 | 4146449 | 1724697 | 37858 | ACCEPTABLE | Observing the value for guard, allowed to see latest value. |
0, -1, | 0 | 0 | 0 | 32 | 0 | 3573 | ACCEPTABLE | Default value for guard, allowed to see anything. |
0, -1, A | 0 | 0 | 0 | 13 | 0 | 1 | ACCEPTABLE | Observing the value for guard, allowed to see latest value. |
0, 0, | 1513683 | 437712 | 437219 | 14657 | 122566 | 275 | ACCEPTABLE | Default value for guard, allowed to see anything. |
0, 0, A | 2060 | 2468 | 2025 | 433 | 4115 | 0 | ACCEPTABLE | Seeing previous writes, allowed with racy guard. |
OK | OK | OK | OK | OK | OK |