sun.reflect.noInflation makes code faster?

MethodCallTest.java

import org.openjdk.jmh.annotations.*;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.concurrent.TimeUnit;

@Fork(3)
@Warmup(iterations = 5, time = 500, timeUnit = TimeUnit.MILLISECONDS)
@Measurement(iterations = 10, time = 500, timeUnit = TimeUnit.MILLISECONDS)
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@State(Scope.Benchmark)
public class MethodCallTest {
    @Param({"true", "false"})
    private boolean accessible;

    @Param({"true", "false"})
    private boolean polymorph;

    private int i;

    Method method1, method2, method3;
    Person p;

    public static class Person {
        private String name;

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

        public String getName1() {
            return name;
        }

        public String getName2() {
            return name;
        }

        public String getName3() {
            return name;
        }
    }

    @Setup
    public void setup() throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
        method1 = Person.class.getMethod("getName1");
        method1.setAccessible(accessible);
        method2 = Person.class.getMethod("getName2");
        method2.setAccessible(accessible);
        method3 = Person.class.getMethod("getName3");
        method3.setAccessible(accessible);
        p = new Person(String.valueOf(Math.random()));

        if(polymorph) {
            for(int i=0; i<1000; i++) {
                method2.invoke(p);
                method3.invoke(p);
            }
        }
    }

    @Benchmark
    public String reflect() throws InvocationTargetException, IllegalAccessException {
        return (String) method1.invoke(p);
    }
}

results.txt

# JMH 1.17 (released 33 days ago)
# VM version: JDK 1.8.0_92, VM 25.92-b14
# VM invoker: C:\Program Files\Java\jre1.8.0_92\bin\java.exe
# VM options: <none>
Benchmark               (accessible)  (polymorph)  Mode  Cnt  Score   Error  Units
MethodCallTest.reflect          true         true  avgt   30  8,216 ± 0,061  ns/op
MethodCallTest.reflect          true        false  avgt   30  6,602 ± 0,024  ns/op
MethodCallTest.reflect         false         true  avgt   30  9,432 ± 0,123  ns/op
MethodCallTest.reflect         false        false  avgt   30  7,589 ± 0,031  ns/op

# JMH 1.17 (released 33 days ago)
# VM version: JDK 1.8.0_92, VM 25.92-b14
# VM invoker: C:\Program Files\Java\jre1.8.0_92\bin\java.exe
# VM options: -Dsun.reflect.noInflation=true
Benchmark               (accessible)  (polymorph)  Mode  Cnt  Score   Error  Units
MethodCallTest.reflect          true         true  avgt   30  7,722 ± 0,089  ns/op
MethodCallTest.reflect          true        false  avgt   30  5,724 ± 0,035  ns/op
MethodCallTest.reflect         false         true  avgt   30  9,043 ± 0,103  ns/op
MethodCallTest.reflect         false        false  avgt   30  7,432 ± 0,102  ns/op