> # Benchmark Result > > > sh make/devkit/createJMHBundle.sh > bash configure --with-jmh=build/jmh/jars > make test TEST="micro:java.lang.StringUpperLower.*" > > > > ## 1. > [aliyun_ecs_c8i.xlarge](https://help.aliyun.com/document_detail/25378.html#c8i) > * cpu : intel xeon sapphire rapids (x64) > > ``` diff > -Benchmark Mode Cnt Score Error Units (baseline) > -StringUpperLower.lowerToLower avgt 15 27.180 ± 0.017 ns/op > -StringUpperLower.lowerToUpper avgt 15 47.196 ± 0.066 ns/op > -StringUpperLower.mixedToLower avgt 15 32.307 ± 0.072 ns/op > -StringUpperLower.mixedToUpper avgt 15 44.005 ± 0.414 ns/op > -StringUpperLower.upperToLower avgt 15 32.310 ± 0.033 ns/op > -StringUpperLower.upperToUpper avgt 15 42.053 ± 0.341 ns/op > > +Benchmark Mode Cnt Score Error Units (Update 01) > +StringUpperLower.lowerToLower avgt 15 16.964 ± 0.021 ns/op (+60.96%) > +StringUpperLower.lowerToUpper avgt 15 46.491 ± 0.036 ns/op (+1.51%) > +StringUpperLower.mixedToLower avgt 15 35.947 ± 0.254 ns/op (-10.12%) > +StringUpperLower.mixedToUpper avgt 15 41.976 ± 0.326 ns/op (+4.83%) > +StringUpperLower.upperToLower avgt 15 33.466 ± 4.036 ns/op (-3.45%) > +StringUpperLower.upperToUpper avgt 15 17.446 ± 1.036 ns/op (+141.04%) > > +Benchmark Mode Cnt Score Error Units (Update 00) > +StringUpperLower.lowerToLower avgt 15 16.976 ± 0.043 ns/op (+60.160) > +StringUpperLower.lowerToUpper avgt 15 46.373 ± 0.086 ns/op (+1.77%) > +StringUpperLower.mixedToLower avgt 15 32.018 ± 0.061 ns/op (+0.9%) > +StringUpperLower.mixedToUpper avgt 15 42.019 ± 0.473 ns/op (+4.72%) > +StringUpperLower.upperToLower avgt 15 32.052 ± 0.051 ns/op (+0.8%) > +StringUpperLower.upperToUpper avgt 15 16.978 ± 0.190 ns/op (+147.69%) > > > ## 2. > [aliyun_ecs_c8a.xlarge](https://help.aliyun.com/document_detail/25378.html#c8a) > * cpu : amd epc genoa (x64) > > ``` diff > -Benchmark Mode Cnt Score Error Units (baseline) > -StringUpperLower.lowerToLower avgt 15 22.164 ± 0.021 ns/op > -StringUpperLower.lowerToUpper avgt 15 46.113 ± 0.047 ns/op > -StringUpperLower.mixedToLower avgt 15 28.501 ± 0.037 ns/op > -StringUpperLower.mixedToUpper avgt 15 38.782 ± 0.038 ns/op > -StringUpperLower.upperToLower avgt 15 28.625 ± 0.162 ns/op > -StringUpperLower.upperToUpper avgt 15 27.960 ± 0.038 ns/op > > +Benchmark Mode Cnt Score Error Units (Update 01) > +StringUpperLower.lowerToLo...
温绍锦 has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains seven additional commits since the last revision: - Merge branch 'master' of github.com:wenshao/jdk into optimization_for_string_latin1_upper_lower - rename hasNotUpperCaseEx to hasUpperCaseMapping - rename isLowerCaseEx to hasNotUpperCaseEx - use hex literal - add method CharacterDataLatin1#isLowerCaseEx - remove unnecessary code - optimization for StringLatin1 UpperLower ------------- Changes: - all: https://git.openjdk.org/jdk/pull/14751/files - new: https://git.openjdk.org/jdk/pull/14751/files/26aa8b19..a38f8870 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=14751&range=06 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=14751&range=05-06 Stats: 148954 lines in 2871 files changed: 61152 ins; 70989 del; 16813 mod Patch: https://git.openjdk.org/jdk/pull/14751.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/14751/head:pull/14751 PR: https://git.openjdk.org/jdk/pull/14751
