Dynamic proxy vs plain getter JMH benchmark.

gistfile1.txt

# JMH version: 1.21
# VM version: JDK 1.8.0_172, Java HotSpot(TM) 64-Bit Server VM, 25.172-b11
# VM invoker: /Library/Java/JavaVirtualMachines/jdk1.8.0_172.jdk/Contents/Home/jre/bin/java
# VM options: <none>
# Warmup: 5 iterations, 10 s each
# Measurement: 5 iterations, 10 s each
# Timeout: 10 min per iteration
# Threads: 1 thread, will synchronize iterations
# Benchmark mode: Throughput, ops/time
# Benchmark: org.sample.MyBenchmark.testGetter

# Run progress: 0.00% complete, ETA 00:16:40
# Fork: 1 of 5
# Warmup Iteration   1: 315006321.024 ops/s
# Warmup Iteration   2: 300965823.311 ops/s
# Warmup Iteration   3: 350827221.085 ops/s
# Warmup Iteration   4: 368326131.592 ops/s
# Warmup Iteration   5: 358708872.183 ops/s
Iteration   1: 351597883.012 ops/s
Iteration   2: 353015506.577 ops/s
Iteration   3: 361518090.675 ops/s
Iteration   4: 351996034.209 ops/s
Iteration   5: 339052485.571 ops/s

# Run progress: 10.00% complete, ETA 00:15:04
# Fork: 2 of 5
# Warmup Iteration   1: 335564206.508 ops/s
# Warmup Iteration   2: 309203649.659 ops/s
# Warmup Iteration   3: 352698390.630 ops/s
# Warmup Iteration   4: 365605867.726 ops/s
# Warmup Iteration   5: 362646079.093 ops/s
Iteration   1: 300930642.972 ops/s
Iteration   2: 346621035.329 ops/s
Iteration   3: 362244121.241 ops/s
Iteration   4: 352039377.044 ops/s
Iteration   5: 353909242.541 ops/s

# Run progress: 20.00% complete, ETA 00:13:23
# Fork: 3 of 5
# Warmup Iteration   1: 325445656.841 ops/s
# Warmup Iteration   2: 304342218.134 ops/s
# Warmup Iteration   3: 350919433.473 ops/s
# Warmup Iteration   4: 351720154.580 ops/s
# Warmup Iteration   5: 352354854.044 ops/s
Iteration   1: 355556646.590 ops/s
Iteration   2: 362797682.030 ops/s
Iteration   3: 355447972.524 ops/s
Iteration   4: 349830527.250 ops/s
Iteration   5: 353495788.383 ops/s

# Run progress: 30.00% complete, ETA 00:11:43
# Fork: 4 of 5
# Warmup Iteration   1: 304896878.723 ops/s
# Warmup Iteration   2: 307392610.204 ops/s
# Warmup Iteration   3: 363668839.778 ops/s
# Warmup Iteration   4: 326630110.142 ops/s
# Warmup Iteration   5: 356298638.460 ops/s
Iteration   1: 363847659.878 ops/s
Iteration   2: 356601570.608 ops/s
Iteration   3: 349595273.378 ops/s
Iteration   4: 365426530.536 ops/s
Iteration   5: 348761435.637 ops/s

# Run progress: 40.00% complete, ETA 00:10:02
# Fork: 5 of 5
# Warmup Iteration   1: 306293940.788 ops/s
# Warmup Iteration   2: 322707088.950 ops/s
# Warmup Iteration   3: 358722563.604 ops/s
# Warmup Iteration   4: 380174542.322 ops/s
# Warmup Iteration   5: 349370701.183 ops/s
Iteration   1: 357469746.072 ops/s
Iteration   2: 356954944.512 ops/s
Iteration   3: 330982653.781 ops/s
Iteration   4: 353212788.268 ops/s
Iteration   5: 354160602.256 ops/s


Result "org.sample.MyBenchmark.testGetter":
  351482649.635 ±(99.9%) 9678829.220 ops/s [Average]
  (min, avg, max) = (300930642.972, 351482649.635, 365426530.536), stdev = 12920960.095
  CI (99.9%): [341803820.415, 361161478.855] (assumes normal distribution)


# JMH version: 1.21
# VM version: JDK 1.8.0_172, Java HotSpot(TM) 64-Bit Server VM, 25.172-b11
# VM invoker: /Library/Java/JavaVirtualMachines/jdk1.8.0_172.jdk/Contents/Home/jre/bin/java
# VM options: <none>
# Warmup: 5 iterations, 10 s each
# Measurement: 5 iterations, 10 s each
# Timeout: 10 min per iteration
# Threads: 1 thread, will synchronize iterations
# Benchmark mode: Throughput, ops/time
# Benchmark: org.sample.MyBenchmark.testProxy

# Run progress: 50.00% complete, ETA 00:08:22
# Fork: 1 of 5
# Warmup Iteration   1: 49878530.372 ops/s
# Warmup Iteration   2: 54802506.119 ops/s
# Warmup Iteration   3: 50007807.690 ops/s
# Warmup Iteration   4: 55831103.183 ops/s
# Warmup Iteration   5: 51240844.147 ops/s
Iteration   1: 52627278.842 ops/s
Iteration   2: 42976660.774 ops/s
Iteration   3: 51112350.921 ops/s
Iteration   4: 50641328.680 ops/s
Iteration   5: 51257746.907 ops/s

# Run progress: 60.00% complete, ETA 00:06:41
# Fork: 2 of 5
# Warmup Iteration   1: 46912769.376 ops/s
# Warmup Iteration   2: 48533679.510 ops/s
# Warmup Iteration   3: 49411774.464 ops/s
# Warmup Iteration   4: 49646420.097 ops/s
# Warmup Iteration   5: 49360590.094 ops/s
Iteration   1: 43256999.405 ops/s
Iteration   2: 49211546.709 ops/s
Iteration   3: 52633266.667 ops/s
Iteration   4: 52944020.334 ops/s
Iteration   5: 50437621.129 ops/s

# Run progress: 70.00% complete, ETA 00:05:01
# Fork: 3 of 5
# Warmup Iteration   1: 47918923.703 ops/s
# Warmup Iteration   2: 48745688.600 ops/s
# Warmup Iteration   3: 52504865.607 ops/s
# Warmup Iteration   4: 51730935.869 ops/s
# Warmup Iteration   5: 49398619.580 ops/s
Iteration   1: 49600004.681 ops/s
Iteration   2: 51512715.762 ops/s
Iteration   3: 51695709.388 ops/s
Iteration   4: 49741460.830 ops/s
Iteration   5: 49849417.116 ops/s

# Run progress: 80.00% complete, ETA 00:03:20
# Fork: 4 of 5
# Warmup Iteration   1: 52812209.079 ops/s
# Warmup Iteration   2: 49269312.077 ops/s

MyBenchmark.java

package org.sample;

import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.State;

import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;

@State(Scope.Benchmark)
public class MyBenchmark {

    @Retention(RetentionPolicy.RUNTIME)
    public @interface Param {
        String name();
    }

    @Param(name = "Benchmark")
    static class Pojo {
        private final String name;

        Pojo(String name) {
            this.name = name;
        }

        public String getName() {
            return name;
        }
    }

    private Pojo pojo = new Pojo("Benchmark");

    private Param param = pojo.getClass().getAnnotation(Param.class);

    @Benchmark
    public String testGetter() {
        return pojo.getName();
    }

    @Benchmark
    public String testProxy() {
        return param.name();
    }

}