java7 reflection benchmark

// Java7 reflection outperforms ReflactASM && MethodHandler
//java -version
//java version "1.7.0_25"
//Java(TM) SE Runtime Environment (build 1.7.0_25-b15)
//Java HotSpot(TM) Server VM (build 23.25-b01, mixed mode)
//+ Profiler [Reflection vs MethodHandle count=1000000000]
//|-- elapsed time                 [Method]    21.201  seconds.
//|-- elapsed time           [MethodHandle]    68.726  seconds.
//|-- elapsed time             [ReflectASM]    28.492  seconds.
//|-- elapsed time                 [Direct]     0.000  seconds.
//|-- Total        [Reflection vs MethodHandle count=1000000000]   118.422  seconds.

package ru.wintegra;

import com.esotericsoftware.reflectasm.MethodAccess;
import org.slf4j.profiler.Profiler;

import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.reflect.Method;

public class foo {
    public  void bar(){
        //System.getProperty("foo");
    }
    public static void main(String[] args) throws Throwable {
        exec(1000000000);
//        exec(10000000);
//        exec(100000);
        //exec(1000);
    }

    private static void exec(final int count) throws Throwable {
        foo obj = new foo();
        Method bar = foo.class.getMethod("bar");
        bar.setAccessible(true);
        MethodHandle methodHandle = MethodHandles.lookup().unreflect(bar);
        MethodAccess methodAccess = MethodAccess.get(foo.class);
        int index = methodAccess.getIndex(bar.getName());

        Profiler profiler = new Profiler("Reflection vs MethodHandle count="+count);

        profiler.start("Method");
        for (int i = 0; i < count; i++) {
            bar.invoke(obj);
        }

        profiler.start("MethodHandle");
        for (int i = 0; i < count; i++) {
            methodHandle.invokeExact(obj);
        }

        profiler.start("ReflectASM");
        for (int i = 0; i < count; i++) {
            methodAccess.invoke(obj, index);
        }

        profiler.start("Direct");
        for (int i = 0; i < count; i++) {
            obj.bar();
        }


        profiler.stop();
        profiler.print();
    }
}