Bug ID: JDK-8331341 secondary_super_cache does not scale well: C1 and interpreter

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: Resolved
Resolution: Fixed
OS: generic
CPU: generic

Submitted: 2024-04-29
Updated: 2024-11-18
Resolved: 2024-11-06

Versions (Unresolved/Resolved/Fixed)

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JDK 24
24 b23Fixed

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-8180450 - secondary_super_cache does not scale well
Relates :	JDK-8344232 - [PPC64] secondary_super_cache does not scale well: C1 and interpreter
Relates :	JDK-8344068 - VM startup crash: assert(allocates2(pc)) failed: not in CodeBuffer memory: 0x000002040c2f33e0 <= 0x000002040c300041 <= 0x000002040c300040
Relates :	JDK-8344355 - build fails with "bootstrap method initialization exception"
Relates :	JDK-8342881 - RISC-V: 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-8313870 - Improve itable lookup from interpreter
Relates :	JDK-8337251 - C1: Improve Class.isInstance intrinsic
Relates :	JDK-8180450 - secondary_super_cache does not scale well

Description

The fix for JDK-8180450 was for C2 only. Implement the same fix for C1 and the interpreter.

Comments

Changeset: ead0116f Branch: master Author: Andrew Haley <aph@openjdk.org> Date: 2024-11-06 08:58:08 +0000 URL: https://git.openjdk.org/jdk/commit/ead0116f2624e0e34529e47e4f509142d588b994
06-11-2024
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