JDK-8058349 : SPECjbb2005 1.4% performance regression on Linux with 9-b29
  • Type: Bug
  • Component: performance
  • Affected Version: 9
  • Priority: P3
  • Status: Resolved
  • Resolution: Fixed
  • OS: linux
  • CPU: x86_64
  • Submitted: 2014-09-12
  • Updated: 2014-11-14
  • Resolved: 2014-11-14
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JDK 9
9Fixed
Related Reports
Relates :  
JDK-7173584 - Implement arraycopy as a macro node
Relates :  
JDK-8060252 - JDK-7173584 compiler changes regress SPECjvm2008 on SPARC
Description
The SPECjbb2005-Tuned benchmark configuration in Aurora-Performance is showing a 1.4% performance regression with 9-b29.
Comments
fixed as work for JDK-8060252
14-11-2014
regression caused by https://bugs.openjdk.java.net/browse/JDK-7173584 and similar to https://bugs.openjdk.java.net/browse/JDK-8060252. The fix suggested for JDK-8060252 solves the regression.
14-11-2014
Sergey, please investigate. It may be the same issue reported in JDK-8058672.
25-10-2014
Applying initial ILW (med, med, med); P=3
06-10-2014