On Mon, 4 Apr 2022 09:58:35 GMT, Claes Redestad <redes...@openjdk.org> wrote:
> As an alternative to #7667 I took a look at injecting an empty class array > from the VM. Turns out we already do this for exception types - see > https://github.com/openjdk/jdk/blob/master/src/hotspot/share/oops/method.cpp#L918 > - and we can do similarly for the parameter types array. We still need to > parse the signature for the return type, though. > > I've verified by dumping and inspecting heaps that this means we are not > allocating extra `Class<?>[]` on `Method` reflection. This pull request has now been integrated. Changeset: a3851423 Author: Claes Redestad <redes...@openjdk.org> URL: https://git.openjdk.java.net/jdk/commit/a385142398eee102ff1a53d848230dc95c4ebd37 Stats: 22 lines in 4 files changed: 14 ins; 0 del; 8 mod 8177107: Reduce memory footprint of java.lang.reflect.Constructor/Method Reviewed-by: darcy, shade, coleenp ------------- PR: https://git.openjdk.java.net/jdk/pull/8089
