On Sat, 1 Jul 2023 02:40:22 GMT, 温绍锦 <d...@openjdk.org> wrote: >> [PR 14578 ](https://github.com/openjdk/jdk/pull/14578) still has unresolved >> discussions, continue to make improvements. >> >> # Benchmark Result >> >> >> sh make/devkit/createJMHBundle.sh >> bash configure --with-jmh=build/jmh/jars >> make test TEST="micro:java.util.UUIDBench.toString" >> >> >> ## 1. >> [aliyun_ecs_c8i.xlarge](https://help.aliyun.com/document_detail/25378.html#c8i) >> * cpu : intel xeon sapphire rapids (x64) >> >> ``` diff >> -Benchmark (size) Mode Cnt Score Error Units (baseline) >> -UUIDBench.toString 20000 thrpt 15 62.019 ± 0.622 ops/us >> >> +Benchmark (size) Mode Cnt Score Error Units >> +UUIDBench.toString 20000 thrpt 15 82.998 ± 0.739 ops/us (+33.82%) >> >> >> ## 2. >> [aliyun_ecs_c8a.xlarge](https://help.aliyun.com/document_detail/25378.html#c8a) >> * cpu : amd epc genoa (x64) >> >> ``` diff >> -Benchmark (size) Mode Cnt Score Error Units (baseline) >> -UUIDBench.toString 20000 thrpt 15 88.668 ± 0.672 ops/us >> >> +Benchmark (size) Mode Cnt Score Error Units >> +UUIDBench.toString 20000 thrpt 15 89.229 ± 0.271 ops/us (+0.63%) >> >> >> >> ## 3. >> [aliyun_ecs_c8y.xlarge](https://help.aliyun.com/document_detail/25378.html#c8y) >> * cpu : aliyun yitian 710 (aarch64) >> ``` diff >> -Benchmark (size) Mode Cnt Score Error Units (baseline) >> -UUIDBench.toString 20000 thrpt 15 49.382 ± 2.160 ops/us >> >> +Benchmark (size) Mode Cnt Score Error Units >> +UUIDBench.toString 20000 thrpt 15 49.636 ± 1.974 ops/us (+0.51%) >> >> >> ## 4. MacBookPro M1 Pro >> ``` diff >> -Benchmark (size) Mode Cnt Score Error Units (baseline) >> -UUIDBench.toString 20000 thrpt 15 103.543 ± 0.963 ops/us >> >> +Benchmark (size) Mode Cnt Score Error Units >> +UUIDBench.toString 20000 thrpt 15 110.976 ± 0.685 ops/us (+7.17%) >> >> >> ## 5. Orange Pi 5 Plus >> >> ``` diff >> -Benchmark (size) Mode Cnt Score Error Units (baseline) >> -UUIDBench.toString 20000 thrpt 15 33.532 ± 0.396 ops/us >> >> +Benchmark (size) Mode Cnt Score Error Units (PR) >> +UUIDBench.toString 20000 thrpt 15 33.054 ± 0.190 ops/us (-4.42%) > >  > > it's enabled
> @wenshao I have made my suggestions into a patch for you: > [wenshao#1](https://github.com/wenshao/jdk/pull/1) Feel free to review. your version performance is a bit worse, if i can't find the reason, I will restore the previous version ------------- PR Comment: https://git.openjdk.org/jdk/pull/14745#issuecomment-1615400139
