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 | 14209 | 20534 | 22 | 135 | 12096 | 2746 | ACCEPTABLE | Default value for guard, allowed to see anything. |
-1, -1, 2.3509528E-38 | 2951210 | 2918168 | 1648040 | 1186488 | 1799303 | 40258 | ACCEPTABLE | Observing the value for guard, allowed to see latest value. |
0, -1, 0.0 | 13324 | 5693 | 4364 | 6931 | 23483 | 8209 | ACCEPTABLE | Default value for guard, allowed to see anything. |
0, -1, 2.3509528E-38 | 3367 | 942 | 1834 | 5034 | 370 | 1 | ACCEPTABLE | Observing the value for guard, allowed to see latest value. |
0, 0, 0.0 | 603490 | 542954 | 70757 | 154312 | 210556 | 44 | ACCEPTABLE | Default value for guard, allowed to see anything. |
0, 0, 2.3509528E-38 | 1818 | 17 | 1 | 18 | 0 | 0 | ACCEPTABLE | Seeing previous writes, allowed with racy guard. |
OK | OK | OK | OK | OK | OK |