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, 0.0 | 6695 | 17260 | 3123 | 70 | 15 | 1953 | ACCEPTABLE | Default value for guard, allowed to see anything. |
-1, -1, 1.39067116124321E-309 | 5183424 | 3702077 | 4027691 | 3348127 | 4204157 | 41312 | ACCEPTABLE | Observing the value for guard, allowed to see latest value. |
0, -1, 0.0 | 0 | 0 | 0 | 0 | 0 | 4216 | ACCEPTABLE | Default value for guard, allowed to see anything. |
0, -1, 1.39067116124321E-309 | 0 | 0 | 0 | 0 | 0 | 1 | ACCEPTABLE | Observing the value for guard, allowed to see latest value. |
0, 0, 0.0 | 1554077 | 110132 | 966369 | 95264 | 20759 | 16 | ACCEPTABLE | Default value for guard, allowed to see anything. |
0, 0, 1.39067116124321E-309 | 9942 | 669 | 9925 | 1557 | 707 | 0 | ACCEPTABLE | Seeing previous writes, allowed with racy guard. |
OK | OK | OK | OK | OK | OK |