On Mon, 11 Sep 2023 14:44:24 GMT, 温绍锦 <d...@openjdk.org> wrote:
>> improve date toString performance, includes: >> >> java.util.Date.toString >> java.util.Date.toGMTString >> java.time.Instant.toString >> java.time.LocalDate.toString >> java.time.LocalDateTime.toString >> java.time.LocalTime.toString > > 温绍锦 has updated the pull request incrementally with one additional commit > since the last revision: > > fix LocalDate.getChars offset # benchmark script ## 1. Script bash configure make images sh make/devkit/createJMHBundle.sh bash configure --with-jmh=build/jmh/jars make test TEST="micro:java.time.ToStringBench.* ## 2. MacBookPro M1 Pro Benchmark ``` diff -Benchmark Mode Cnt Score Error Units (baseline) -ToStringBench.testInstantToString thrpt 15 3.900 ? 0.289 ops/ms -ToStringBench.testLocalDateTimeToString thrpt 15 11.081 ? 0.141 ops/ms -ToStringBench.testLocalDateToString thrpt 15 18.566 ? 1.852 ops/ms -ToStringBench.testLocalTimeToString thrpt 15 8.428 ? 1.066 ops/ms -ToStringBench.testZoneOffsetOffHours thrpt 15 115.342 ? 13.978 ops/ms -ToStringBench.testZonedDateTimeToString thrpt 15 4.669 ? 1.986 ops/ms +Benchmark Mode Cnt Score Error Units (PR cc82e8c1) +ToStringBench.testInstantToString thrpt 15 47.971 ? 0.131 ops/ms (+1130.02%) +ToStringBench.testLocalDateTimeToString thrpt 15 71.310 ? 0.633 ops/ms (+543.53%) +ToStringBench.testLocalDateToString thrpt 15 108.236 ? 1.613 ops/ms (+482.97%) +ToStringBench.testLocalTimeToString thrpt 15 128.264 ? 1.052 ops/ms (+1421.87%) +ToStringBench.testZoneOffsetOffHours thrpt 15 694.463 ? 2.671 ops/ms (+502.29%) +ToStringBench.testZonedDateTimeToString thrpt 15 46.975 ? 0.850 ops/ms (+906.10%) ------------- PR Comment: https://git.openjdk.org/jdk/pull/15658#issuecomment-1714168168
