On Mon, 22 Jul 2024 22:34:01 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: > > non-MH-based implementation It is now implemented based on bytecode-spinning. Private member access is implemented by StringConcatHelp lookup, but there are several strange errors in the build, and I don't know why. ------------- PR Comment: https://git.openjdk.org/jdk/pull/20273#issuecomment-2244113274