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  1. JDK
  2. JDK-6356456

REGRESSION: GZIPInputStream is slower on 1.4.2_10 than on 1.4.2_09

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      Testcase (details can be found in the comments section):

      $ source ~/.java142_09
      $ java -fullversion
      java full version "1.4.2_09-b05"
      $ time java -classpath .:sharedlib/jload.jar DumpTest EXPDUMP > /dev/null
      Reading EXPDUMP
      End of EXPDUMP reached
      finished
      31.0u 1.0s 0:41 77% 0+0k 0+0io 0pf+0w

      $ source ~/.java142_10
      $ time java -classpath .:sharedlib/jload.jar DumpTest EXPDUMP > /dev/null
      Reading EXPDUMP
      End of EXPDUMP reached
      finished
      136.0u 1.0s 2:21 96% 0+0k 0+0io 0pf+0w

      $ source ~/.java15
      $ java -fullversion
      java full version "1.5.0_05-b05"
      $ time java -classpath .:sharedlib/jload.jar DumpTest EXPDUMP > /dev/null
      Reading EXPDUMP
      End of EXPDUMP reached
      finished
      28.0u 1.0s 1:52 25% 0+0k 0+0io 0pf+0w

      => In this example, 1.4.2_10 is ~4.4 times slower than 1.4.2_09 while executing SAPs testcase called DumpTest.

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              • Assignee:
                pgsunw Praveen G (Inactive)
                Reporter:
                jloefflm Johann Löfflmann (Inactive)
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