JDK-8331341 : secondary_super_cache does not scale well: C1 and interpreter
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: runtime
  • Affected Version: 23
  • Priority: P4
  • Status: Open
  • Resolution: Unresolved
  • OS: generic
  • CPU: generic
  • Submitted: 2024-04-29
  • Updated: 2024-09-12
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JDK 24
24Unresolved
Related Reports
Blocks :  
JDK-8331658 - secondary_super_cache does not scale well: C1
Cloners :  
JDK-8339983 - [s390x] secondary_super_cache does not scale well: C1 and interpreter
Relates :  
JDK-8307137 - [AArch64] MacroAssembler::lookup_interface_method could use conditional compare instead of branch
Relates :  
JDK-8180450 - secondary_super_cache does not scale well
Relates :  
JDK-8337251 - C1: Improve Class.isInstance intrinsic
Relates :  
JDK-8313870 - Improve itable lookup from interpreter
Description
The fix for JDK-8180450 was for C2 only. Implement the same fix for C1 and the interpreter.
Comments
A pull request was submitted for review. Branch: master URL: https://git.openjdk.org/jdk/pull/19989 Date: 2024-07-02 14:52:09 +0000
09-07-2024
Change of plan. I'm creating a portmanteau patch that covers C1, interpreter, and runtime.
02-07-2024
Since JDK-8331658 covers C1, I assume this issue is for the interpreter? Moving to hotspot/runtime.
08-05-2024