On Thu, 19 Sep 2024 14:08:04 GMT, Claes Redestad <redes...@openjdk.org> wrote:
> This PR changes proxy code gen to avoid generating
> `Class.forName("java.lang.Object")`, instead emitting an ldc for the class
> literal, `ldc(CD_Object)`, java code equivalent `Object.class`.
>
> More types could profitably use `ldc(ClassDesc/-Entry)`, taking cues from
> `InvokerBytecodeGenerator.isStaticallyInvocable`, but just addressing the
> `Object` methods gets rid of most `Class.forName` emits. It's not terribly
> important for throughput performance since these are called in the generated
> `clinit`, so getting a quick win with few additional checks is a good
> starting point.
>
> Added a few unrelated minor refactors/improvements, guided by diagnostic runs
> of the now fixed microbenchmark.
This pull request has now been integrated.
Changeset: a50440fa
Author: Claes Redestad <redes...@openjdk.org>
URL:
https://git.openjdk.org/jdk/commit/a50440fadcd1aa9d8bfddc153dbde6fd55ceb9fa
Stats: 327 lines in 4 files changed: 146 ins; 166 del; 15 mod
8340456: Reduce overhead of proxying Object methods in ProxyGenerator
Reviewed-by: liach
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PR: https://git.openjdk.org/jdk/pull/21090
