JDK-6940733 : allocate non static oop fields in super and sub classes together
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: hs18
  • Priority: P4
  • Status: Closed
  • Resolution: Fixed
  • OS: solaris_10
  • CPU: sparc
  • Submitted: 2010-04-02
  • Updated: 2011-03-08
  • Resolved: 2011-03-08
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JDK 6 JDK 7 Other
6u21pFixed 7Fixed hs18Fixed
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Description
It may give some improvement when nonstatic oop fields in super and sub classes are allocated together since one oop map will be used.
Use FieldsAllocationStyle=2 value for that.

Comments
EVALUATION http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/b9d85fcdf743
2010-04-07