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, false | 374 | 7 | 1774 | 290 | 267 | 0 | ACCEPTABLE | Default value for guard, allowed to see anything. |
-1, -1, true | 6119819 | 10263489 | 5870599 | 8785669 | 9028306 | 72081 | ACCEPTABLE | Observing the value for guard, allowed to see latest value. |
0, -1, false | 0 | 0 | 0 | 0 | 0 | 270 | ACCEPTABLE | Default value for guard, allowed to see anything. |
0, -1, true | 0 | 0 | 0 | 0 | 0 | 269 | ACCEPTABLE | Observing the value for guard, allowed to see latest value. |
0, 0, false | 651413 | 17886 | 71906 | 44301 | 34018 | 10868 | ACCEPTABLE | Default value for guard, allowed to see anything. |
0, 0, true | 732 | 216 | 159 | 1218 | 1717 | 0 | ACCEPTABLE | Seeing previous writes, allowed with racy guard. |
OK | OK | OK | OK | OK | OK |