java - JMH: Perfomance comparison -

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i try improve perfomance of program. used jmh comparate 2 versions don't know if there real difference.

example of results:

                version1(op/s)   score error(op/s)         version2      score error  benchmark 1   12382150,338           1277638,481        18855038,903    50835,395  benchmark 2     11708047,2           4061755,193        18843828,659    41966,689  benchmark 3      7814465,4           9483927,071        18821356,961    72364,651  benchmark 4   10481146,451             464691,58        13936537,089    40726,506  benchmark 5    6863734,072            175974,219         9709381,687    21774,816

can results show real difference between version 1 , version 2?

iirc, benchmark score (ops/s) arithmetic mean of 90% distribution (that is, extreme outliers filtered out). thus, no matter how slice it, version 2 scores higher on benchmarks.


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