On Wed, 25 Jun 2025 02:01:18 GMT, Shaojin Wen <s...@openjdk.org> wrote:
>> In BufferedReader.readLine and other similar scenarios, we need to use >> StringBuilder.append(char[]) to build the string. >> >> For these scenarios, we can Unsafe.copyMemory instead of the character copy >> of the char-by-char loop to improve the speed. >> >> @RogerRiggs completed the optimization when the encoder is LATIN1 in PR >> #24967. This PR continues to complete the optimization when the encoder is >> UTF16. > > Shaojin Wen has updated the pull request incrementally with one additional > commit since the last revision: > > Microbenchmark java.lang.StringBuilders is modified to not re-use existing > StringBuilders, from @RogerRiggs A nice clean improvement. Thanks for the updates. ------------- Marked as reviewed by rriggs (Reviewer). PR Review: https://git.openjdk.org/jdk/pull/24773#pullrequestreview-2958114296