danielsun1106 edited a comment on issue #1135: GROOVY-8298: Slow Performance Caused by Invoke Dynamic URL: https://github.com/apache/groovy/pull/1135#issuecomment-571961230 @blackdrag Jochen, I measured the performance of cs, indy1 and indy2 with JMH ( https://github.com/danielsun1106/benchmark-labs ), the result is shown as follows. As we can see, the performance of indy2 is improved a lot: Benchmark |indy2 VS indy1 | indy2 VS cs ---- | ---- | ---- CallsiteBench.dispatch_megamorphic | 3675% | 25.83% CallsiteBench.dispatch_monomorphic | 5.72% | 188.62% CallsiteBench.dispatch_polymorphic | 3000% | _-17.11%_ The following tables show the detailed result(Note: the benchmark mode is throughput, so the higher the `Score` is, the better performance will be): **indy2:** ``` Benchmark Mode Cnt Score Error Units CallsiteBench.dispatch_megamorphic thrpt 15 151.552 ± 2.157 ops/ms CallsiteBench.dispatch_monomorphic thrpt 15 4768.491 ± 41.386 ops/ms CallsiteBench.dispatch_polymorphic thrpt 15 155.040 ± 7.380 ops/ms ``` **indy1:** ``` Benchmark Mode Cnt Score Error Units CallsiteBench.dispatch_megamorphic thrpt 15 3.914 ± 0.462 ops/ms CallsiteBench.dispatch_monomorphic thrpt 15 4510.525 ± 46.702 ops/ms CallsiteBench.dispatch_polymorphic thrpt 15 5.283 ± 0.325 ops/ms ``` **cs:** ``` Benchmark Mode Cnt Score Error Units CallsiteBench.dispatch_megamorphic thrpt 15 119.447 ± 45.829 ops/ms CallsiteBench.dispatch_monomorphic thrpt 15 1651.584 ± 39.724 ops/ms CallsiteBench.dispatch_polymorphic thrpt 15 186.763 ± 14.549 ops/ms ```
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