package net.bytebuddy.benchmark;
import net.bytebuddy.benchmark.specimen.ExampleInterface;
import org.openjdk.jmh.annotations.*;
import org.openjdk.jmh.infra.Blackhole;
import java.util.concurrent.TimeUnit;
/**
* <p>
* This benchmark measures the invocation speed of stub method invocations. All classes implement
* {@link net.bytebuddy.benchmark.specimen.ExampleInterface} and implement all methods to return the return type's
* default value, independently of the arguments.
* </p>
* <p>
* Note that this class defines all values that are accessed by benchmark methods as instance fields. This way, the JIT
* compiler's capability of constant folding is limited in order to produce more comparable test results.
* </p>
*/
@State(Scope.Thread)
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.MICROSECONDS)
public class StubInvocationBenchmark {
/**
* A generic {@link String} value.
*/
private String stringValue = "foo";
/**
* A generic {@code boolean} value.
*/
private boolean booleanValue = true;
/**
* A generic {@code byte} value.
*/
private byte byteValue = 42;
/**
* A generic {@code short} value.
*/
private short shortValue = 42;
/**
* A generic {@code char} value.
*/
private char charValue = '@';
/**
* A generic {@code int} value.
*/
private int intValue = 42;
/**
* A generic {@code long} value.
*/
private long longValue = 42L;
/**
* A generic {@code float} value.
*/
private float floatValue = 42f;
/**
* A generic {@code double} value.
*/
private double doubleValue = 42d;
/**
* A casual instance that serves as a baseline.
*/
private ExampleInterface baselineInstance;
/**
* An instance created by Byte Buddy for performing benchmarks on.
*/
private ExampleInterface byteBuddyInstance;
/**
* An instance created by cglib for performing benchmarks on.
*/
private ExampleInterface cglibInstance;
/**
* An instance created by javassist for performing benchmarks on.
*/
private ExampleInterface javassistInstance;
/**
* An instance created by the JDK proxy for performing benchmarks on.
*/
private ExampleInterface jdkProxyInstance;
/**
* Creates an instance for each code generation library. The classes are extracted from the
* {@link net.bytebuddy.benchmark.ClassByImplementationBenchmark}.
*
* @throws Exception Covers the exception declarations of the setup methods.
*/
@Setup
public void setUp() throws Exception {
ClassByImplementationBenchmark classByImplementationBenchmark = new ClassByImplementationBenchmark();
baselineInstance = classByImplementationBenchmark.baseline();
byteBuddyInstance = classByImplementationBenchmark.benchmarkByteBuddy();
cglibInstance = classByImplementationBenchmark.benchmarkCglib();
javassistInstance = classByImplementationBenchmark.benchmarkJavassist();
jdkProxyInstance = classByImplementationBenchmark.benchmarkJdkProxy();
}
/**
* Performs a benchmark for a casual class as a baseline.
*
* @param blackHole A black hole for avoiding JIT erasure.
*/
@Benchmark
@OperationsPerInvocation(20)
public void baseline(Blackhole blackHole) {
blackHole.consume(baselineInstance.method(booleanValue));
blackHole.consume(baselineInstance.method(byteValue));
blackHole.consume(baselineInstance.method(shortValue));
blackHole.consume(baselineInstance.method(intValue));
blackHole.consume(baselineInstance.method(charValue));
blackHole.consume(baselineInstance.method(intValue));
blackHole.consume(baselineInstance.method(longValue));
blackHole.consume(baselineInstance.method(floatValue));
blackHole.consume(baselineInstance.method(doubleValue));
blackHole.consume(baselineInstance.method(stringValue));
blackHole.consume(baselineInstance.method(booleanValue, booleanValue, booleanValue));
blackHole.consume(baselineInstance.method(byteValue, byteValue, byteValue));
blackHole.consume(baselineInstance.method(shortValue, shortValue, shortValue));
blackHole.consume(baselineInstance.method(intValue, intValue, intValue));
blackHole.consume(baselineInstance.method(charValue, charValue, charValue));
blackHole.consume(baselineInstance.method(intValue, intValue, intValue));
blackHole.consume(baselineInstance.method(longValue, longValue, longValue));
blackHole.consume(baselineInstance.method(floatValue, floatValue, floatValue));
blackHole.consume(baselineInstance.method(doubleValue, doubleValue, doubleValue));
blackHole.consume(baselineInstance.method(stringValue, stringValue, stringValue));
}
/**
* Performs a benchmark for a trivial class creation using Byte Buddy.
*
* @param blackHole A black hole for avoiding JIT erasure.
*/
@Benchmark
@OperationsPerInvocation(20)
public void benchmarkByteBuddy(Blackhole blackHole) {
blackHole.consume(byteBuddyInstance.method(booleanValue));
blackHole.consume(byteBuddyInstance.method(byteValue));
blackHole.consume(byteBuddyInstance.method(shortValue));
blackHole.consume(byteBuddyInstance.method(intValue));
blackHole.consume(byteBuddyInstance.method(charValue));
blackHole.consume(byteBuddyInstance.method(intValue));
blackHole.consume(byteBuddyInstance.method(longValue));
blackHole.consume(byteBuddyInstance.method(floatValue));
blackHole.consume(byteBuddyInstance.method(doubleValue));
blackHole.consume(byteBuddyInstance.method(stringValue));
blackHole.consume(byteBuddyInstance.method(booleanValue, booleanValue, booleanValue));
blackHole.consume(byteBuddyInstance.method(byteValue, byteValue, byteValue));
blackHole.consume(byteBuddyInstance.method(shortValue, shortValue, shortValue));
blackHole.consume(byteBuddyInstance.method(intValue, intValue, intValue));
blackHole.consume(byteBuddyInstance.method(charValue, charValue, charValue));
blackHole.consume(byteBuddyInstance.method(intValue, intValue, intValue));
blackHole.consume(byteBuddyInstance.method(longValue, longValue, longValue));
blackHole.consume(byteBuddyInstance.method(floatValue, floatValue, floatValue));
blackHole.consume(byteBuddyInstance.method(doubleValue, doubleValue, doubleValue));
blackHole.consume(byteBuddyInstance.method(stringValue, stringValue, stringValue));
}
/**
* Performs a benchmark for a trivial class creation using cglib.
*
* @param blackHole A black hole for avoiding JIT erasure.
*/
@Benchmark
@OperationsPerInvocation(20)
public void benchmarkCglib(Blackhole blackHole) {
blackHole.consume(cglibInstance.method(booleanValue));
blackHole.consume(cglibInstance.method(byteValue));
blackHole.consume(cglibInstance.method(shortValue));
blackHole.consume(cglibInstance.method(intValue));
blackHole.consume(cglibInstance.method(charValue));
blackHole.consume(cglibInstance.method(intValue));
blackHole.consume(cglibInstance.method(longValue));
blackHole.consume(cglibInstance.method(floatValue));
blackHole.consume(cglibInstance.method(doubleValue));
blackHole.consume(cglibInstance.method(stringValue));
blackHole.consume(cglibInstance.method(booleanValue, booleanValue, booleanValue));
blackHole.consume(cglibInstance.method(byteValue, byteValue, byteValue));
blackHole.consume(cglibInstance.method(shortValue, shortValue, shortValue));
blackHole.consume(cglibInstance.method(intValue, intValue, intValue));
blackHole.consume(cglibInstance.method(charValue, charValue, charValue));
blackHole.consume(cglibInstance.method(intValue, intValue, intValue));
blackHole.consume(cglibInstance.method(longValue, longValue, longValue));
blackHole.consume(cglibInstance.method(floatValue, floatValue, floatValue));
blackHole.consume(cglibInstance.method(doubleValue, doubleValue, doubleValue));
blackHole.consume(cglibInstance.method(stringValue, stringValue, stringValue));
}
/**
* Performs a benchmark for a trivial class creation using javassist.
*
* @param blackHole A black hole for avoiding JIT erasure.
*/
@Benchmark
@OperationsPerInvocation(20)
public void benchmarkJavassist(Blackhole blackHole) {
blackHole.consume(javassistInstance.method(booleanValue));
blackHole.consume(javassistInstance.method(byteValue));
blackHole.consume(javassistInstance.method(shortValue));
blackHole.consume(javassistInstance.method(intValue));
blackHole.consume(javassistInstance.method(charValue));
blackHole.consume(javassistInstance.method(intValue));
blackHole.consume(javassistInstance.method(longValue));
blackHole.consume(javassistInstance.method(floatValue));
blackHole.consume(javassistInstance.method(doubleValue));
blackHole.consume(javassistInstance.method(stringValue));
blackHole.consume(javassistInstance.method(booleanValue, booleanValue, booleanValue));
blackHole.consume(javassistInstance.method(byteValue, byteValue, byteValue));
blackHole.consume(javassistInstance.method(shortValue, shortValue, shortValue));
blackHole.consume(javassistInstance.method(intValue, intValue, intValue));
blackHole.consume(javassistInstance.method(charValue, charValue, charValue));
blackHole.consume(javassistInstance.method(intValue, intValue, intValue));
blackHole.consume(javassistInstance.method(longValue, longValue, longValue));
blackHole.consume(javassistInstance.method(floatValue, floatValue, floatValue));
blackHole.consume(javassistInstance.method(doubleValue, doubleValue, doubleValue));
blackHole.consume(javassistInstance.method(stringValue, stringValue, stringValue));
}
/**
* Performs a benchmark for a trivial class creation using the Java Class Library's utilities.
*
* @param blackHole A black hole for avoiding JIT erasure.
*/
@Benchmark
@OperationsPerInvocation(20)
public void benchmarkJdkProxy(Blackhole blackHole) {
blackHole.consume(jdkProxyInstance.method(booleanValue));
blackHole.consume(jdkProxyInstance.method(byteValue));
blackHole.consume(jdkProxyInstance.method(shortValue));
blackHole.consume(jdkProxyInstance.method(intValue));
blackHole.consume(jdkProxyInstance.method(charValue));
blackHole.consume(jdkProxyInstance.method(intValue));
blackHole.consume(jdkProxyInstance.method(longValue));
blackHole.consume(jdkProxyInstance.method(floatValue));
blackHole.consume(jdkProxyInstance.method(doubleValue));
blackHole.consume(jdkProxyInstance.method(stringValue));
blackHole.consume(jdkProxyInstance.method(booleanValue, booleanValue, booleanValue));
blackHole.consume(jdkProxyInstance.method(byteValue, byteValue, byteValue));
blackHole.consume(jdkProxyInstance.method(shortValue, shortValue, shortValue));
blackHole.consume(jdkProxyInstance.method(intValue, intValue, intValue));
blackHole.consume(jdkProxyInstance.method(charValue, charValue, charValue));
blackHole.consume(jdkProxyInstance.method(intValue, intValue, intValue));
blackHole.consume(jdkProxyInstance.method(longValue, longValue, longValue));
blackHole.consume(jdkProxyInstance.method(floatValue, floatValue, floatValue));
blackHole.consume(jdkProxyInstance.method(doubleValue, doubleValue, doubleValue));
blackHole.consume(jdkProxyInstance.method(stringValue, stringValue, stringValue));
}
}