JDK-6940677 : Use 64 bytes chunk copy for arraycopy on Sparc
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: hs18
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • OS: solaris_10
  • CPU: sparc
  • Submitted: 2010-04-02
  • Updated: 2010-09-24
  • Resolved: 2010-04-21
The Version table provides details related to the release that this issue/RFE will be addressed.

Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.

To download the current JDK release, click here.
JDK 6 JDK 7 Other
6u21pFixed 7Fixed hs18Fixed
Description
Currently we copy by 16 bytes chunks in arraycopy stubs on Sparc.
For large arrays we should use 64 bytes chunks.

Comments
EVALUATION http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/0dc88ad3244e
07-04-2010