On Tue, 27 Jun 2023 17:30:35 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: > > revert to HexDigits.DIGITS, keep this PR as simple as possible. src/java.base/share/classes/java/util/HexDigits.java line 33: > 31: > 32: import static jdk.internal.digits.Hex256.hex256; > 33: Suggestion: This is now redundant and causes build failure. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/14578#discussion_r1244118063