Counter benchmarks
Tested simple decrement operation.
| counterImpl | initialVal | poolSize | opsPerThread | finalVal | opsCount | missedCount | TimeElapsed |
|---|---|---|---|---|---|---|---|
| BrokenCounter | 400000000 | 1 | 400000000 | 0 | 400000000 | 0 | 799 |
| BrokenCounter | 400000000 | 2 | 200000000 | 73439989 | 326560011 | 0 | 473 |
| BrokenCounter | 400000000 | 3 | 133333333 | 266217472 | 133782528 | 0 | 155 |
| BrokenCounter | 400000000 | 4 | 100000000 | 299173466 | 100826534 | 0 | 161 |
| BrokenCounter | 400000000 | 10 | 40000000 | 310516333 | 89483667 | 0 | 138 |
| BrokenCounter | 400000000 | 100 | 4000000 | 296862501 | 103137499 | 0 | 149 |
| VolatileCounter | 400000000 | 1 | 400000000 | 0 | 400000000 | 0 | 3821 |
| VolatileCounter | 400000000 | 2 | 200000000 | 119485643 | 280514357 | 0 | 5422 |
| VolatileCounter | 400000000 | 3 | 133333333 | 218988176 | 181011824 | 0 | 8009 |
| VolatileCounter | 400000000 | 4 | 100000000 | 272238870 | 127761130 | 0 | 6366 |
| VolatileCounter | 400000000 | 10 | 40000000 | 277885077 | 122114923 | 0 | 6756 |
| VolatileCounter | 400000000 | 100 | 4000000 | 358492516 | 41507484 | 0 | 6388 |
| SynchronizedCounter | 400000000 | 1 | 400000000 | 0 | 400000000 | 0 | 9719 |
| SynchronizedCounter | 400000000 | 2 | 200000000 | 0 | 400000000 | 0 | 58728 |
| SynchronizedCounter | 400000000 | 3 | 133333333 | 1 | 399999999 | 0 | 60170 |
| SynchronizedCounter | 400000000 | 4 | 100000000 | 0 | 400000000 | 0 | 65204 |
| SynchronizedCounter | 400000000 | 10 | 40000000 | 0 | 400000000 | 0 | 59171 |
| SynchronizedCounter | 400000000 | 100 | 4000000 | 0 | 400000000 | 0 | 59808 |
| ReentrantCounter | 400000000 | 1 | 400000000 | 0 | 400000000 | 0 | 9323 |
| ReentrantCounter | 400000000 | 2 | 200000000 | 0 | 400000000 | 0 | 22782 |
| ReentrantCounter | 400000000 | 3 | 133333333 | 1 | 399999999 | 0 | 16917 |
| ReentrantCounter | 400000000 | 4 | 100000000 | 0 | 400000000 | 0 | 15668 |
| ReentrantCounter | 400000000 | 10 | 40000000 | 0 | 400000000 | 0 | 15574 |
| ReentrantCounter | 400000000 | 100 | 4000000 | 0 | 400000000 | 0 | 16418 |
| AtomicCounter | 400000000 | 1 | 400000000 | 0 | 400000000 | 0 | 3770 |
| AtomicCounter | 400000000 | 2 | 200000000 | 0 | 400000000 | 0 | 6294 |
| AtomicCounter | 400000000 | 3 | 133333333 | 1 | 399999999 | 0 | 8978 |
| AtomicCounter | 400000000 | 4 | 100000000 | 0 | 400000000 | 0 | 9914 |
| AtomicCounter | 400000000 | 10 | 40000000 | 0 | 400000000 | 0 | 9854 |
| AtomicCounter | 400000000 | 100 | 4000000 | 0 | 400000000 | 0 | 10248 |
| LongAdderCounter | 400000000 | 1 | 400000000 | 0 | 400000000 | 0 | 4816 |
| LongAdderCounter | 400000000 | 2 | 200000000 | 0 | 400000000 | 0 | 3483 |
| LongAdderCounter | 400000000 | 3 | 133333333 | 1 | 399999999 | 0 | 2119 |
| LongAdderCounter | 400000000 | 4 | 100000000 | 0 | 400000000 | 0 | 1863 |
| LongAdderCounter | 400000000 | 10 | 40000000 | 0 | 400000000 | 0 | 1871 |
| LongAdderCounter | 400000000 | 100 | 4000000 | 0 | 400000000 | 0 | 2027 |
| ConcurrentCounter | 400000000 | 1 | 400000000 | 0 | 400000000 | 0 | 4877 |
| ConcurrentCounter | 400000000 | 2 | 200000000 | 0 | 400000000 | 0 | 10064 |
| ConcurrentCounter | 400000000 | 3 | 133333333 | 1 | 399999999 | 0 | 11877 |
| ConcurrentCounter | 400000000 | 4 | 100000000 | 0 | 400000000 | 0 | 10336 |
| ConcurrentCounter | 400000000 | 10 | 40000000 | 0 | 400000000 | 0 | 11267 |
| ConcurrentCounter | 400000000 | 100 | 4000000 | 0 | 400000000 | 0 | 10870 |
with fair
| counterImpl | initialVal | poolSize | opsPerThread | finalVal | opsCount | missedCount | TimeElapsed |
|---|---|---|---|---|---|---|---|
| BrokenCounter | 400000000 | 1 | 400000000 | 0 | 400000000 | 0 | 823 |
| BrokenCounter | 400000000 | 2 | 200000000 | 176911174 | 223088826 | 0 | 536 |
| BrokenCounter | 400000000 | 3 | 133333333 | 266628956 | 133371044 | 0 | 153 |
| BrokenCounter | 400000000 | 4 | 100000000 | 273669163 | 126330837 | 0 | 151 |
| BrokenCounter | 400000000 | 10 | 40000000 | 286523116 | 113476884 | 0 | 142 |
| BrokenCounter | 400000000 | 100 | 4000000 | 291843270 | 108156730 | 0 | 140 |
| VolatileCounter | 400000000 | 1 | 400000000 | 0 | 400000000 | 0 | 3738 |
| VolatileCounter | 400000000 | 2 | 200000000 | 134186687 | 265813313 | 0 | 6460 |
| VolatileCounter | 400000000 | 3 | 133333333 | 218356371 | 181643629 | 0 | 7859 |
| VolatileCounter | 400000000 | 4 | 100000000 | 229045690 | 170954310 | 0 | 6607 |
| VolatileCounter | 400000000 | 10 | 40000000 | 261301887 | 138698113 | 0 | 6668 |
| VolatileCounter | 400000000 | 100 | 4000000 | 351907833 | 48092167 | 0 | 6624 |
| SynchronizedCounter | 400000000 | 1 | 400000000 | 0 | 400000000 | 0 | 9839 |
| SynchronizedCounter | 400000000 | 2 | 200000000 | 0 | 400000000 | 0 | 57931 |
| SynchronizedCounter | 400000000 | 3 | 133333333 | 1 | 399999999 | 0 | 57768 |
| SynchronizedCounter | 400000000 | 4 | 100000000 | 0 | 400000000 | 0 | 62379 |
| SynchronizedCounter | 400000000 | 10 | 40000000 | 0 | 400000000 | 0 | 60887 |
| SynchronizedCounter | 400000000 | 100 | 4000000 | 0 | 400000000 | 0 | 62447 |
| ReentrantCounter | 400000000 | 1 | 400000000 | 0 | 400000000 | 0 | 9756 |
| ReentrantCounter | 400000000 | 2 | 200000000 | 0 | 400000000 | 0 | 22737 |
| ReentrantCounter | 400000000 | 3 | 133333333 | 1 | 399999999 | 0 | 15726 |
| ReentrantCounter | 400000000 | 4 | 100000000 | 0 | 400000000 | 0 | 14813 |
| ReentrantCounter | 400000000 | 10 | 40000000 | 0 | 400000000 | 0 | 15017 |
| ReentrantCounter | 400000000 | 100 | 4000000 | 0 | 400000000 | 0 | 15218 |
| AtomicCounter | 400000000 | 1 | 400000000 | 0 | 400000000 | 0 | 3735 |
| AtomicCounter | 400000000 | 2 | 200000000 | 0 | 400000000 | 0 | 6638 |
| AtomicCounter | 400000000 | 3 | 133333333 | 1 | 399999999 | 0 | 8607 |
| AtomicCounter | 400000000 | 4 | 100000000 | 0 | 400000000 | 0 | 9130 |
| AtomicCounter | 400000000 | 10 | 40000000 | 0 | 400000000 | 0 | 8529 |
| AtomicCounter | 400000000 | 100 | 4000000 | 0 | 400000000 | 0 | 8711 |
| LongAdderCounter | 400000000 | 1 | 400000000 | 0 | 400000000 | 0 | 4590 |
| LongAdderCounter | 400000000 | 2 | 200000000 | 0 | 400000000 | 0 | 3042 |
| LongAdderCounter | 400000000 | 3 | 133333333 | 1 | 399999999 | 0 | 2193 |
| LongAdderCounter | 400000000 | 4 | 100000000 | 0 | 400000000 | 0 | 1929 |
| LongAdderCounter | 400000000 | 10 | 40000000 | 0 | 400000000 | 0 | 2015 |
| LongAdderCounter | 400000000 | 100 | 4000000 | 0 | 400000000 | 0 | 1903 |
| ConcurrentCounter | 400000000 | 1 | 400000000 | 0 | 400000000 | 0 | 4603 |
| ConcurrentCounter | 400000000 | 2 | 200000000 | 0 | 400000000 | 0 | 10365 |
| ConcurrentCounter | 400000000 | 3 | 133333333 | 1 | 399999999 | 0 | 11652 |
| ConcurrentCounter | 400000000 | 4 | 100000000 | 0 | 400000000 | 0 | 11506 |
| ConcurrentCounter | 400000000 | 10 | 40000000 | 0 | 400000000 | 0 | 11654 |
| ConcurrentCounter | 400000000 | 100 | 4000000 | 0 | 400000000 | 0 | 11300 |
| FairCounter | 400000000 | 1 | 400000000 | 0 | 400000000 | 0 | 9397 |
| FairCounter | 400000000 | 2 | 200000000 | 0 | 400000000 | 0 | 637279 |
| FairCounter | 400000000 | 3 | 133333333 | 1 | 399999999 | 0 | 1635383 |
| FairCounter | 400000000 | 4 | 100000000 | 0 | 400000000 | 0 | 1635384 |
| FairCounter | 400000000 | 10 | 40000000 | 0 | 400000000 | 0 | 1592979 |
| FairCounter | 400000000 | 100 | 4000000 | 0 | 400000000 | 0 | 1633132 |
Benchmark Mode Samples Mean Mean error Units r.j.CounterBenchmark.perfAtomicCounter thrpt 10 38835,448 463,824 ops/ms r.j.CounterBenchmark.perfBrokenCounter thrpt 10 132171,730 6129,487 ops/ms r.j.CounterBenchmark.perfConcurrentCounter thrpt 10 35543,551 780,374 ops/ms r.j.CounterBenchmark.perfLongAdderCounter thrpt 10 211933,868 4518,836 ops/ms r.j.CounterBenchmark.perfReentrantCounter thrpt 10 27488,631 737,897 ops/ms r.j.CounterBenchmark.perfSynchronizedCounter thrpt 10 19849,468 755,405 ops/ms r.j.CounterBenchmark.perfVolatileCounter thrpt 10 61132,360 3475,195 ops/ms