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  1. JDK
  2. JDK-5107263

Worse performance of isSupported for JISAutoDetect (1.4.X)

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    • b02
    • x86
    • windows_xp
    • Verified

    Description

      We have found worse performance of isSupported with "JISAutoDetect".

      REPRODUCE :
         1) Compile the attached test program
         2) Launch "java isSupportedTest1"
         
        We can see the result of execution(elapse) time as follows.

        case5:24626
        case6:24545

        This is done in 1.4.2_05.

      CONFIGURATION :
         OS : Windows XP (SP, Japanese)
         JRE : 1.4.2_05
         Mem: 384 [MB]
         MPU : Pentium IV 1.4[GHz]

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              sthilagasunw Sathianantha Thilagar (Inactive)
              tbaba Tadayuki Baba (Inactive)
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