I publish my JMH benchmark at github https://github.com/volodin-aa/openjdk-benchmark
27.04.2016, 01:23, "Andrey" <and...@tweak.su>: > I create simple benchmark (attached). Optimized version more faster: > > # JMH 1.12 (released 26 days ago) > # VM version: JDK 1.8.0_91, VM 25.91-b14 > .. > # Run complete. Total time: 00:04:02 > > Benchmark Mode Cnt Score Error Units > StringBenchmark.constConst thrpt 20 37935470,179 ▒ 158354,736 ops/s > StringBenchmark.constConstFast thrpt 20 70342038,623 ▒ 727831,951 ops/s > StringBenchmark.newNew thrpt 20 30033885,754 ▒ 374524,932 ops/s > StringBenchmark.newNewFast thrpt 20 69567918,934 ▒ 196494,474 ops/s > StringBenchmark.varVar thrpt 20 36102111,956 ▒ 364861,774 ops/s > StringBenchmark.varVarFast thrpt 20 66743826,698 ▒ 124162,725 ops/s > > How I can publish my version equalsIgnoreCase(...) or OpenJDK team check > results separately? > > 26.04.2016, 18:18, "Andrew Haley" <a...@redhat.com>: >> On 04/26/2016 03:25 PM, Andrey wrote: >>> May be can create optimized regionMatches(...) for use in >>> equalsIgnoreCase(...)? >> >> When the HotSpot JVM's just-in-time compiler optimizes this code it >> inlines all of these tests, realizes that they are constant values, >> and generates no code for them. All the generated code does is check >> that the strings have the same coder and are the same length, then it >> goes into an unrolled loop checking that the characters are the same
