JDK-8323116 : [REDO] Computational test more than 2x slower when AVX instructions are used
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 17,21,22
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • CPU: x86
  • Submitted: 2024-01-08
  • Updated: 2024-05-02
  • Resolved: 2024-04-08
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JDK 23
23 b18Fixed
Related Reports
Cloners :  
JDK-8318562 - Computational test more than 2x slower when AVX instructions are used
Relates :  
JDK-8331518 - Tests should not use the "Classpath" exception form of the legal header
Sub Tasks
JDK-8322985 :  
[BACKOUT] 8318562: Computational test more than 2x slower when AVX instructions are used - Resolved
Description
Attached JMH microbenchmark is slower when AVX instructions are used vs -XX:UseAVX=0
Comments
Changeset: 7e5ef79f Author: vamsi-parasa <srinivas.vamsi.parasa@intel.com> Committer: Sandhya Viswanathan <sviswanathan@openjdk.org> Date: 2024-04-08 18:41:32 +0000 URL: https://git.openjdk.org/jdk/commit/7e5ef79f953877cde6389998edcfe3fecb9b900e
08-04-2024
A pull request was submitted for review. URL: https://git.openjdk.org/jdk/pull/18503 Date: 2024-03-26 23:19:16 +0000
26-03-2024
The test I attached to JDK-8322985 should be added and the performance regression reported by JDK-8322479 should be addressed.
08-01-2024