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  1. JDK
  2. JDK-8311220

Optimization for StringLatin UpperLower

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    • Icon: Enhancement Enhancement
    • Resolution: Fixed
    • Icon: P4 P4
    • 22
    • None
    • core-libs
    • None
    • b16

      Create on behalf of shaojin.wensj@alibaba-inc.com
      ----
      Benchmark Mode Cnt Score Error Units (baseliine)
      -StringUpperLower.lowerToLower avgt 15 25.350 ± 0.071 ns/op
      -StringUpperLower.lowerToUpper avgt 15 53.722 ± 0.127 ns/op
      -StringUpperLower.mixedToLower avgt 15 40.172 ± 0.103 ns/op
      -StringUpperLower.mixedToUpper avgt 15 46.546 ± 0.132 ns/op
      -StringUpperLower.upperToLower avgt 15 39.505 ± 0.213 ns/op
      -StringUpperLower.upperToUpper avgt 15 26.066 ± 0.050 ns/op

      +Benchmark Mode Cnt Score Error Units (PR)
      +StringUpperLower.lowerToLower avgt 15 19.218 ± 0.047 ns/op (+31.90%)
      +StringUpperLower.lowerToUpper avgt 15 50.169 ± 0.181 ns/op (+7.08%)
      +StringUpperLower.mixedToLower avgt 15 38.324 ± 0.128 ns/op (+4.82%)
      +StringUpperLower.mixedToUpper avgt 15 44.640 ± 0.340 ns/op (+4.26%)
      +StringUpperLower.upperToLower avgt 15 37.709 ± 0.202 ns/op (+18.38%)
      +StringUpperLower.upperToUpper avgt 15 11.305 ± 0.016 ns/op (+130.57%)

            redestad Claes Redestad
            yyang Yi Yang
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              Created:
              Updated:
              Resolved: