On Sun, 28 Jul 2024 13:58:05 GMT, Shaojin Wen <d...@openjdk.org> wrote:
>> The current implementation of StringConcat is to mix the coder and length >> into a long. This operation will have some overhead for int/long/boolean >> types. We can separate the calculation of the coder from the calculation of >> the length, which can improve the performance in the scenario of concat >> int/long/boolean. >> >> This idea comes from the suggestion of @l4es in the discussion of PR >> https://github.com/openjdk/jdk/pull/20253#issuecomment-2240412866 > > Shaojin Wen has updated the pull request incrementally with one additional > commit since the last revision: > > cache generate MethodHandle I will aim to remove the MH-based implementation with minimal changes. I added METHOD_HANDLE_CACHE to prevent the same pattern from being created repeatedly, but I'm not sure if this can make the class unloadable. ------------- PR Comment: https://git.openjdk.org/jdk/pull/20273#issuecomment-2254529197