JDK-7132945 : Tiered: adjust OSR threshold of level 3
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: hs23
  • Priority: P4
  • Status: Closed
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2012-01-24
  • Updated: 2012-03-24
  • Resolved: 2012-03-24
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JDK 7 JDK 8 Other
7u4Fixed 8Fixed hs23Fixed
Description
Roland and I noticed that setting the value of Tier3BackEdgeThreshold to 60000 instead of 7000 yield far superior startup performance on machines with one CPU. There is no significant change for machines with many cores.

Comments
EVALUATION http://hg.openjdk.java.net/lambda/lambda/hotspot/rev/dddf0be88eb1
22-03-2012

EVALUATION http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/dddf0be88eb1
25-01-2012