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  1. JDK
  2. JDK-8307352

AARCH64: Improve itable_stub

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    • b15
    • aarch64

    Description

      Async profiler shows that applications spend up to 10% in itable_stubs. The generated itable_stub scans itable two times while it can be done in a single pass.

      See JDK-8305959 for Intel impl

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        Issue Links

          relates to

          Enhancement - null JDK-8307137 [AArch64] MacroAssembler::lookup_interface_method could use conditional compare instead of branch

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Open

          Enhancement - null JDK-8332602 [s390x] Improve itable_stub

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Open

          Enhancement - null JDK-8332603 [ppc] Improve itable_stub

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Open

          Enhancement - null JDK-8305959 x86: Improve itable_stub

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

          Enhancement - null JDK-8318159 RISC-V: Improve itable_stub

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

          Enhancement - null JDK-8323122 AArch64: Increase itable stub size estimate

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved
          links to

          Commit Commit openjdk/jdk/c664f1ca

          Review Review openjdk/jdk/13792

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              bulasevich Boris Ulasevich
              bulasevich Boris Ulasevich
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                Created:
                Updated:
                Resolved: