JDK-8216366 : Add rationale to PER_CPU_SHARES define
  • Type: Bug
  • Component: hotspot
  • Sub-Component: runtime
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2019-01-08
  • Updated: 2019-01-15
  • Resolved: 2019-01-08
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JDK 13
13 b03Fixed
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Description
The reason why PER_CPU_SHARES has been abstracted in the JVM to 1024 seems somewhat arbitrary. It resulted in this thread being raised:

http://mail.openjdk.java.net/pipermail/hotspot-dev/2019-January/036087.html

A bit of rationale should be added to the code to explain this situation.
Comments
review thread: http://mail.openjdk.java.net/pipermail/hotspot-dev/2019-January/036137.html
08-01-2019