> [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%)
温绍锦 has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 19 commits: - merge from master - Merge branch 'master' into optimization_for_uuid_to_string # Conflicts: # src/java.base/share/classes/java/util/UUID.java # src/java.base/share/classes/jdk/internal/util/HexDigits.java - lo | hi => hi | lo - add DIGITS description - reversed how & hi - Merge branch 'master' into optimization_for_uuid_to_string - remove redundant parentheses - fix java doc, big-endian -> little-endian - Merge branch 'master' into optimization_for_uuid_to_string - use ByteArrayLittleEndian - ... and 9 more: https://git.openjdk.org/jdk/compare/e0845163...4f6ed3e6 ------------- Changes: https://git.openjdk.org/jdk/pull/14745/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=14745&range=14 Stats: 55 lines in 2 files changed: 5 ins; 12 del; 38 mod Patch: https://git.openjdk.org/jdk/pull/14745.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/14745/head:pull/14745 PR: https://git.openjdk.org/jdk/pull/14745
