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 | 13304 | 37767 | 5367 | 1913 | 16 | 92 | ACCEPTABLE | Default value for guard, allowed to see anything. |
-1, -1, true | 4858165 | 2284960 | 4460972 | 3316395 | 4252464 | 49402 | ACCEPTABLE | Observing the value for guard, allowed to see latest value. |
0, -1, false | 1 | 0 | 0 | 0 | 2 | 2518 | ACCEPTABLE | Default value for guard, allowed to see anything. |
0, -1, true | 0 | 0 | 0 | 0 | 4 | 8 | ACCEPTABLE | Observing the value for guard, allowed to see latest value. |
0, 0, false | 213021 | 809804 | 858610 | 84430 | 23602 | 128 | ACCEPTABLE | Default value for guard, allowed to see anything. |
0, 0, true | 1237 | 927 | 11979 | 5400 | 750 | 0 | ACCEPTABLE | Seeing previous writes, allowed with racy guard. |
OK | OK | OK | OK | OK | OK |