JDK-8308966 : Add intrinsic for float/double modulo for x86 AVX2 and AVX512
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 21
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • OS: generic
  • CPU: x86
  • Submitted: 2023-05-26
  • Updated: 2023-07-18
  • Resolved: 2023-06-12
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JDK 22
22 b02Fixed
Related Reports
Relates :  
JDK-8312233 - Performance regression in SharedRuntime::frem/drem() on x86 with AVX2 after JDK-8308966
Relates :  
JDK-8305689 - Consider adding an intrinsic for StrictMath.IEEEremainder
Relates :  
JDK-8302191 - Performance degradation for float/double modulo on Linux
Relates :  
JDK-8305948 - Performance degradation for float/double modulo on Linux
Relates :  
JDK-8309636 - Optimize double drem for Blender.java
Description
Adding an intrinsic for float/double modulus operations for x86.  This addresses a performance degradation and removes dependence on x87 floating point for platforms that support AVX.
Comments
Changeset: 5d5ae352 Author: Scott Gibbons <sgibbons@openjdk.org> Committer: Sandhya Viswanathan <sviswanathan@openjdk.org> Date: 2023-06-12 15:06:42 +0000 URL: https://git.openjdk.org/jdk/commit/5d5ae35288989fcfabdea013b6e3cdafe359f0df
12-06-2023
A pull request was submitted for review. URL: https://git.openjdk.org/jdk/pull/14224 Date: 2023-05-30 17:07:01 +0000
30-05-2023