> 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 ------------- Changes: - all: https://git.openjdk.org/jdk/pull/20273/files - new: https://git.openjdk.org/jdk/pull/20273/files/227158a7..c9acbe93 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=20273&range=01 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=20273&range=00-01 Stats: 897 lines in 4 files changed: 206 ins; 686 del; 5 mod Patch: https://git.openjdk.org/jdk/pull/20273.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/20273/head:pull/20273 PR: https://git.openjdk.org/jdk/pull/20273
