Tests the StringBuilders are working good under concurrent updates.
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 |
---|---|---|---|---|---|---|---|---|
374990 | 150790 | ACCEPTABLE_INTERESTING | Other values are expected, threads are messing with each other. | |||||
b | 139320 | ACCEPTABLE_INTERESTING | Other values are expected, threads are messing with each other. | |||||
bb | 154860 | ACCEPTABLE_INTERESTING | Other values are expected, threads are messing with each other. | |||||
bb | 193350 | ACCEPTABLE_INTERESTING | Other values are expected, threads are messing with each other. | |||||
bb | 558960 | 7460 | ACCEPTABLE_INTERESTING | Other values are expected, threads are messing with each other. | ||||
bb | 11200 | ACCEPTABLE_INTERESTING | Other values are expected, threads are messing with each other. | |||||
bbbb | 1022738 | 911018 | 2068658 | 398088 | 247878 | 58178 | ACCEPTABLE | All appends are visible. |
OK | OK | OK | OK | OK | OK |