On Fri, 6 Sep 2024 10:01:39 GMT, Claes Redestad <redes...@openjdk.org> wrote:
> - A small portion (~5%) of the instrumented overhead when spinning MH/LF > classes in `InvokeBytecodeGenerator` comes from creating the exact same > `RuntimeVisibleAnnotationsAttribute` for every method. Introducing a couple > of constants has a small but measurable impact. > - `classDesc(MemberName.class)` is called ~8000 times during an OpenJDK > build, `classDesc(MethodType.class)` ~900 - special casing looks profitable > - Class name validation narrowed down, use ReferenceClassDescImpl.ofValidated > - Various minor optimizations helping reduce bytecode size and speed up > interpreter execution This pull request has now been integrated. Changeset: d2b36f09 Author: Claes Redestad <redes...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/d2b36f09072e03370ee02b063fcc4a1f0e6cb2ee Stats: 75 lines in 2 files changed: 30 ins; 32 del; 13 mod 8339642: Reduce overheads in InvokerBytecodeGenerator Reviewed-by: liach ------------- PR: https://git.openjdk.org/jdk/pull/20887
