JDK-8275052 : AArch64: Severe AES/GCM slowdown on MacOS for short blocks
  • Type: Bug
  • Component: hotspot
  • Sub-Component: runtime
  • Affected Version: 18
  • Priority: P2
  • Status: Closed
  • Resolution: Fixed
  • OS: os_x
  • CPU: aarch64
  • Submitted: 2021-10-11
  • Updated: 2022-01-11
  • Resolved: 2021-10-28
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JDK 18
18 b22Fixed
Related Reports
Relates :  
JDK-8273297 - AES/GCM non-AVX512+VAES CPUs suffer after 8267125
Description
This is more of the fallout from JDK-8273297.
We've noticed that blocks of less than 8kbytes are very slowly encrypted with AES/GCM . This is because of incorrect flag handling in vm_version_bsd_aarch64.cpp.
Comments
Changeset: cb989cf3 Author: Andrew Haley <aph@openjdk.org> Date: 2021-10-28 15:51:29 +0000 URL: https://git.openjdk.java.net/jdk/commit/cb989cf3a182ee07fe127b4536e7ff4213f31eaf
28-10-2021