JDK-6536652 : Implement some superword (SIMD) optimizations
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 6
  • Priority: P3
  • Status: Resolved
  • Resolution: Fixed
  • OS: solaris_9
  • CPU: sparc
  • Submitted: 2007-03-20
  • Updated: 2010-04-02
  • Resolved: 2007-04-24
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JDK 6 JDK 7 Other
6u2Fixed 7Fixed hs10Fixed
Related Reports
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JDK-6559557 - Support for vector instructions in bytecode
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JDK-6579537 - CORBA:api/javaidl/StubTests & product/rmiiiop/marshalTests tests are failed with core dump
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JDK-6604786 - SSE optimization for basic elementwise array operations
Description
Performance can be improved from generating SIMD instructions.
Comments
SUGGESTED FIX Archived data: /net/prt-archiver.sfbay/data/archived_workspaces/main/c2_baseline/2007/20070324170243.nips.superword/ Webrev: http://prt-web.sfbay.sun.com/net/prt-archiver.sfbay/data/archived_workspaces/main/c2_baseline/2007/20070324170243.nips.superword/workspace/webrevs/webrev-2007.03.24/index.html
26-03-2007
EVALUATION See description.
23-03-2007