JDK-8291912 : Introduce per-allocation target struct for members in G1PLABAllocator
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: gc
  • Affected Version: 20
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2022-08-04
  • Updated: 2022-11-08
  • Resolved: 2022-09-13
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JDK 20
20 b15Fixed
Related Reports
Blocks :  
JDK-8288966 - Better handle very spiky promotion in G1
Relates :  
JDK-8296504 - Memory leak in G1PLABAllocator::PLABData
Description
After JDK-8288966 G1PLABAllocator has quite a few members that are arrays of primitive variables on a per-allocation target (Young, Old).

A better way to organize per-allocation target members is to have an array of struct instead of struct of array.
Comments
Changeset: 37234c85 Author: Thomas Schatzl <tschatzl@openjdk.org> Date: 2022-09-13 08:47:51 +0000 URL: https://git.openjdk.org/jdk/commit/37234c856dd96930c1f9be4835d404296d701f7b
13-09-2022
A pull request was submitted for review. URL: https://git.openjdk.org/jdk/pull/9959 Date: 2022-08-22 09:27:13 +0000
22-08-2022
A pull request was submitted for review. URL: https://git.openjdk.org/jdk/pull/9818 Date: 2022-08-10 09:06:34 +0000
10-08-2022