On Tue, 17 Sep 2024 09:28:02 GMT, Claes Redestad <redes...@openjdk.org> wrote:
> This PR exploits the observation that in many of the cases where we call > `methodType.invokerType()` we immediately translate it into a `Name[]` where > the only effect is to create an array with an additional leading > `BasicType.L_TYPE` argument. Only in a subset of cases will a corresponding > `invokerType()` be created later to bind the MH to an invoker. > > Providing methods to bypass the creationg of such transient, intermediary > `MethodType` creation avoids excessive allocations and adding types to the MT > interning table that quickly become stale. > > Number of executed bytecode on a trivial HelloLambda application drops > locally from ~517k to ~505k. This pull request has now been integrated. Changeset: d23c59e4 Author: Claes Redestad <redes...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/d23c59e40812c9e3a5914193e68169dbdf6d09e5 Stats: 60 lines in 6 files changed: 17 ins; 12 del; 31 mod 8340280: Avoid calling MT.invokerType() when creating LambdaForms Reviewed-by: liach, jvernee ------------- PR: https://git.openjdk.org/jdk/pull/21035
