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  1. JDK
  2. JDK-8060252

JDK-7173584 compiler changes regress SPECjvm2008 on SPARC

    Details

    • Subcomponent:
    • Introduced In Build:
      b29
    • Introduced In Version:
      9
    • Resolved In Build:
      b40
    • CPU:
      sparc_64
    • OS:
      solaris
    • Verification:
      Verified

      Backports

        Description

        There is a 8% regression on specjvm2008:crypto.aes and 1.5% regression on specjvm2008:serial on SPARC caused by JDK-7173584.

        crypto.aes:
          before JDK-7173584: 2958.01 ops/m
          after JDK-7173584: 2305.47 ops/m
          current jdk9/jdk9: 2305.32 ops/m
          current jdk9/hs-comp: 2308.35 ops/m

        serial:
          before JDK-7173584: 260.98 ops/m
          after JDK-7173584: 252.81 ops/m
          current jdk9/jdk9: 253.49 ops/m
          current jdk9/hs-comp: 253.93 ops/m

        See the logs here:
         http://cr.openjdk.java.net/~shade/8060252/

        [1] Current hs-comp is:
        $ hg tip
        changeset: 7208:2b1ea93ea45e
        tag: tip
        user: thartmann
        date: Mon Oct 13 12:30:37 2014 +0200
        summary: 8046268: compiler/whitebox/ tests fail : must be osr_compiled

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                • Assignee:
                  roland Roland Westrelin
                  Reporter:
                  shade Aleksey Shipilev
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                  • Created:
                    Updated:
                    Resolved: