On Wed, 21 Jun 2023 07:28:54 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 This pull request has now been integrated. Changeset: 20f7d05e Author: shaojin.wensj <shaojin.we...@alibaba-inc.com> Committer: Jie Fu <ji...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/20f7d05ef238074143b01deb66a99217b2af47d8 Stats: 137 lines in 5 files changed: 94 ins; 41 del; 2 mod 8310502: Optimization for j.l.Long.fastUUID() Reviewed-by: liach, alanb ------------- PR: https://git.openjdk.org/jdk/pull/14578
