On Mon, 26 Jun 2023 09:57:31 GMT, 温绍锦 <d...@openjdk.org> wrote:
>> By optimizing the implementation of java.lang.Long#fastUUID, the performance >> of the java.util.UUID#toString method can be significantly improved. >> >> The following are the test results of JMH: >> >> Benchmark Mode Cnt Score Error Units >> UUIDUtilsBenchmark.new thrpt 5 92676.550 ± 292.213 ops/ms >> UUIDUtilsBenchmark.original thrpt 5 37040.165 ± 1023.532 ops/ms > > 温绍锦 has updated the pull request incrementally with one additional commit > since the last revision: > > use ISO_8859_1.INSTANCE directly instead of StandardCharsets.ISO_8859_1 With respect to performance, it can't be worse than it is today, all optimization is about tradeoffs; in this case I would agree it does not need to be better. ------------- PR Comment: https://git.openjdk.org/jdk/pull/14578#issuecomment-1607753363
