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  1. JDK
  2. JDK-6575679

jbb regression 2-3% in b15 on x86

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    • b01
    • b03
    • x86
    • linux_redhat_4.0, solaris_10, windows_2003
    • Verified

        I see about 2-3% regression in jbb2005 on x86 after the next putback
        see attached VM statistics and logCompilation outputs:

        20070619061317.sgoldman.asm-x86-amd64

        It got slightly high number of doptimizations: 79 vs 67.
        More relocations for 9 native nmethods: 524 vs 200.
        C2 saw less methods: 4060 vs 4362.
        More inline cache misses: 43 vs 36
        And much more different unresolved call site.

        Also I noticed -XX:+PrintRelocations crashs VM.

              kvn Vladimir Kozlov
              kvn Vladimir Kozlov
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