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 | 26073 | 42294 | 7 | 81 | 160 | 8 | ACCEPTABLE | Default value for guard, allowed to see anything. |
-1, -1, 1.39067116124321E-309 | 5315714 | 5866737 | 6668756 | 2071472 | 3563645 | 47474 | ACCEPTABLE | Observing the value for guard, allowed to see latest value. |
-1, 0, 0.0 | 0 | 1 | 0 | 0 | 0 | 0 | ACCEPTABLE | Default value for guard, allowed to see anything. |
0, -1, 0.0 | 1485 | 2267 | 18 | 121 | 2594 | 1760 | ACCEPTABLE | Default value for guard, allowed to see anything. |
0, -1, 1.39067116124321E-309 | 647 | 30 | 13 | 61 | 388 | 49 | ACCEPTABLE | Observing the value for guard, allowed to see latest value. |
0, 0, 0.0 | 1146821 | 1199527 | 47108 | 16105 | 9911 | 27 | ACCEPTABLE | Default value for guard, allowed to see anything. |
0, 0, 1.39067116124321E-309 | 338 | 32 | 46 | 68 | 0 | 0 | ACCEPTABLE | Seeing previous writes, allowed with racy guard. |
OK | OK | OK | OK | OK | OK |