| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.directmemory.lightning; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| import java.io.Serializable; |
| import java.util.Random; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.directmemory.lightning.base.AbstractObjectMarshaller; |
| import org.apache.directmemory.lightning.base.AbstractSerializerDefinition; |
| import org.apache.directmemory.lightning.io.InputStreamSource; |
| import org.apache.directmemory.lightning.io.OutputStreamTarget; |
| import org.apache.directmemory.lightning.io.SerializerInputStream; |
| import org.apache.directmemory.lightning.io.SerializerOutputStream; |
| import org.apache.directmemory.lightning.metadata.Attribute; |
| import org.apache.directmemory.lightning.metadata.PropertyDescriptor; |
| import org.junit.Ignore; |
| import org.junit.Test; |
| |
| @Ignore |
| public class CustomBenchmark |
| { |
| |
| private static final int WARMUP_ROUNDS = 100000; |
| |
| private static final int BENCHMARK_ROUNDS = 800000; |
| |
| @Test |
| public void benchmarkLightningSerialization() |
| throws Exception |
| { |
| long buildStartTime = System.nanoTime(); |
| Serializer serializer = |
| Lightning.newBuilder().debugCacheDirectory( new File( "target" ) ).serializerDefinitions( new BenchmarkSerializerDefinition() ).build(); |
| long nanos = TimeUnit.NANOSECONDS.toMillis( System.nanoTime() - buildStartTime ); |
| System.out.println( "Lightning Serializer build time: " + nanos + " ms" ); |
| |
| long size = 0; |
| for ( int i = 0; i < WARMUP_ROUNDS; i++ ) |
| { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| OutputStreamTarget target = new OutputStreamTarget( baos ); |
| SerializerOutputStream out = new SerializerOutputStream( serializer, target ); |
| Foo foo = buildRandomFoo(); |
| out.writeObject( foo ); |
| |
| assertNotNull( baos ); |
| assertNotNull( out ); |
| assertNotNull( baos.toByteArray() ); |
| size = baos.toByteArray().length; |
| } |
| |
| try |
| { |
| Thread.sleep( 5000 ); |
| } |
| catch ( Exception e ) |
| { |
| } |
| |
| long time = 0; |
| for ( int i = 0; i < BENCHMARK_ROUNDS; i++ ) |
| { |
| Foo foo = buildRandomFoo(); |
| |
| long startTime = System.nanoTime(); |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| OutputStreamTarget target = new OutputStreamTarget( baos ); |
| SerializerOutputStream out = new SerializerOutputStream( serializer, target ); |
| out.writeObject( foo ); |
| |
| time += System.nanoTime() - startTime; |
| assertNotNull( baos.toByteArray() ); |
| } |
| |
| double avg = time / (double) BENCHMARK_ROUNDS; |
| System.out.println( "Lightning Serialization Avg: " + String.format( "%5.2f", avg ) + " ns, runs: " |
| + BENCHMARK_ROUNDS + ", size: " + size + " bytes" ); |
| |
| System.runFinalization(); |
| System.gc(); |
| |
| try |
| { |
| Thread.sleep( 5000 ); |
| } |
| catch ( Exception e ) |
| { |
| } |
| } |
| |
| @Test |
| public void benchmarkLightningDeserialization() |
| throws Exception |
| { |
| Serializer serializer = |
| Lightning.newBuilder().serializerDefinitions( new BenchmarkSerializerDefinition() ).build(); |
| |
| long size = 0; |
| for ( int i = 0; i < WARMUP_ROUNDS; i++ ) |
| { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| OutputStreamTarget target = new OutputStreamTarget( baos ); |
| SerializerOutputStream out = new SerializerOutputStream( serializer, target ); |
| Foo foo = buildRandomFoo(); |
| out.writeObject( foo ); |
| |
| assertNotNull( baos ); |
| assertNotNull( out ); |
| assertNotNull( baos.toByteArray() ); |
| size = baos.toByteArray().length; |
| |
| ByteArrayInputStream bais = new ByteArrayInputStream( baos.toByteArray() ); |
| InputStreamSource source = new InputStreamSource( bais ); |
| SerializerInputStream in = new SerializerInputStream( serializer, source ); |
| Object value = in.readObject(); |
| assertNotNull( value ); |
| assertEquals( foo, value ); |
| } |
| |
| try |
| { |
| Thread.sleep( 5000 ); |
| } |
| catch ( Exception e ) |
| { |
| } |
| |
| long time = 0; |
| for ( int i = 0; i < BENCHMARK_ROUNDS; i++ ) |
| { |
| Foo foo = buildRandomFoo(); |
| |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| OutputStreamTarget target = new OutputStreamTarget( baos ); |
| SerializerOutputStream out = new SerializerOutputStream( serializer, target ); |
| out.writeObject( foo ); |
| |
| long startTime = System.nanoTime(); |
| ByteArrayInputStream bais = new ByteArrayInputStream( baos.toByteArray() ); |
| InputStreamSource source = new InputStreamSource( bais ); |
| SerializerInputStream in = new SerializerInputStream( serializer, source ); |
| Object value = in.readObject(); |
| time += System.nanoTime() - startTime; |
| assertNotNull( value ); |
| assertEquals( foo, value ); |
| } |
| |
| double avg = time / (double) BENCHMARK_ROUNDS; |
| System.out.println( "Lightning Deserialization Avg: " + String.format( "%5.2f", avg ) + " ns, runs: " |
| + BENCHMARK_ROUNDS + ", size: " + size + " bytes" ); |
| |
| System.runFinalization(); |
| System.gc(); |
| |
| try |
| { |
| Thread.sleep( 5000 ); |
| } |
| catch ( Exception e ) |
| { |
| } |
| } |
| |
| @Test |
| @Ignore |
| public void benchmarkJavaSerialization() |
| throws Exception |
| { |
| long size = 0; |
| for ( int i = 0; i < WARMUP_ROUNDS; i++ ) |
| { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| ObjectOutputStream out = new ObjectOutputStream( baos ); |
| Foo foo = buildRandomFoo(); |
| out.writeObject( foo ); |
| |
| assertNotNull( baos ); |
| assertNotNull( out ); |
| assertNotNull( baos.toByteArray() ); |
| size = baos.toByteArray().length; |
| } |
| |
| try |
| { |
| Thread.sleep( 5000 ); |
| } |
| catch ( Exception e ) |
| { |
| } |
| |
| long time = 0; |
| for ( int i = 0; i < BENCHMARK_ROUNDS; i++ ) |
| { |
| Foo foo = buildRandomFoo(); |
| |
| long startTime = System.nanoTime(); |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| ObjectOutputStream out = new ObjectOutputStream( baos ); |
| out.writeObject( foo ); |
| |
| time += System.nanoTime() - startTime; |
| assertNotNull( baos.toByteArray() ); |
| } |
| |
| double avg = time / (double) BENCHMARK_ROUNDS; |
| System.out.println( "Java Serialization Avg: " + String.format( "%5.2f", avg ) + " ns, runs: " |
| + BENCHMARK_ROUNDS + ", size: " + size + " bytes" ); |
| |
| System.runFinalization(); |
| System.gc(); |
| |
| try |
| { |
| Thread.sleep( 5000 ); |
| } |
| catch ( Exception e ) |
| { |
| } |
| } |
| |
| @Test |
| @Ignore |
| public void benchmarkJavaDeserialization() |
| throws Exception |
| { |
| long size = 0; |
| for ( int i = 0; i < WARMUP_ROUNDS; i++ ) |
| { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| ObjectOutputStream out = new ObjectOutputStream( baos ); |
| Foo foo = buildRandomFoo(); |
| out.writeObject( foo ); |
| |
| assertNotNull( baos ); |
| assertNotNull( out ); |
| assertNotNull( baos.toByteArray() ); |
| size = baos.toByteArray().length; |
| |
| ByteArrayInputStream bais = new ByteArrayInputStream( baos.toByteArray() ); |
| ObjectInputStream in = new ObjectInputStream( bais ); |
| Object value = in.readObject(); |
| assertNotNull( value ); |
| assertEquals( foo, value ); |
| } |
| |
| try |
| { |
| Thread.sleep( 5000 ); |
| } |
| catch ( Exception e ) |
| { |
| } |
| |
| long time = 0; |
| for ( int i = 0; i < BENCHMARK_ROUNDS; i++ ) |
| { |
| Foo foo = buildRandomFoo(); |
| |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| ObjectOutputStream out = new ObjectOutputStream( baos ); |
| out.writeObject( foo ); |
| |
| long startTime = System.nanoTime(); |
| ByteArrayInputStream bais = new ByteArrayInputStream( baos.toByteArray() ); |
| ObjectInputStream in = new ObjectInputStream( bais ); |
| Object value = in.readObject(); |
| |
| time += System.nanoTime() - startTime; |
| assertNotNull( value ); |
| assertEquals( foo, value ); |
| } |
| |
| double avg = time / (double) BENCHMARK_ROUNDS; |
| System.out.println( "Java Deserialization Avg: " + String.format( "%5.2f", avg ) + " ns, runs: " |
| + BENCHMARK_ROUNDS + ", size: " + size + " bytes" ); |
| |
| System.runFinalization(); |
| System.gc(); |
| |
| try |
| { |
| Thread.sleep( 5000 ); |
| } |
| catch ( Exception e ) |
| { |
| } |
| } |
| |
| private static final Random RANDOM = new Random( System.nanoTime() ); |
| |
| private static final String[] STRING_VALUES = { "HGHO", "jldu", "oösd", "JKGH", "HGFG", "JLHL", "GJJK", "JKGH" }; |
| |
| private static Foo buildRandomFoo() |
| { |
| Foo foo = new Foo(); |
| foo.enumValue = RANDOM.nextInt( 100 ) < 50 ? Bar.Value1 : Bar.Value2; |
| foo.someOther = RANDOM.nextInt(); |
| foo.value = RANDOM.nextInt( 100 ) < 50 ? null : RANDOM.nextInt(); |
| foo.first = STRING_VALUES[RANDOM.nextInt( STRING_VALUES.length )]; |
| foo.second = STRING_VALUES[RANDOM.nextInt( STRING_VALUES.length )]; |
| |
| return foo; |
| } |
| |
| public static class BenchmarkSerializerDefinition |
| extends AbstractSerializerDefinition |
| { |
| |
| @Override |
| protected void configure() |
| { |
| serialize( Foo.class ).attributes(); |
| } |
| } |
| |
| @SuppressWarnings( "serial" ) |
| public static class Foo |
| implements Serializable |
| { |
| |
| private String first; |
| |
| private String second; |
| |
| private Integer value; |
| |
| private int someOther; |
| |
| @Attribute |
| private Bar enumValue; |
| |
| @Attribute |
| public String getFirst() |
| { |
| return first; |
| } |
| |
| public void setFirst( String first ) |
| { |
| this.first = first; |
| } |
| |
| @Attribute |
| public String getSecond() |
| { |
| return second; |
| } |
| |
| public void setSecond( String second ) |
| { |
| this.second = second; |
| } |
| |
| @Attribute |
| public Integer getValue() |
| { |
| return value; |
| } |
| |
| public void setValue( Integer value ) |
| { |
| this.value = value; |
| } |
| |
| @Attribute |
| // Implicitly required |
| public int getSomeOther() |
| { |
| return someOther; |
| } |
| |
| public void setSomeOther( int someOther ) |
| { |
| this.someOther = someOther; |
| } |
| |
| public Bar getEnumValue() |
| { |
| return enumValue; |
| } |
| |
| public void setEnumValue( Bar enumValue ) |
| { |
| this.enumValue = enumValue; |
| } |
| |
| @Override |
| public String toString() |
| { |
| return "Foo [hash=@" + hashCode() + ", first=" + first + ", second=" + second + ", value=" + value |
| + ", someOther=" + someOther + ", enumValue=" + enumValue + "]"; |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + ( ( enumValue == null ) ? 0 : enumValue.hashCode() ); |
| result = prime * result + ( ( first == null ) ? 0 : first.hashCode() ); |
| result = prime * result + ( ( second == null ) ? 0 : second.hashCode() ); |
| result = prime * result + someOther; |
| result = prime * result + ( ( value == null ) ? 0 : value.hashCode() ); |
| return result; |
| } |
| |
| @Override |
| public boolean equals( Object obj ) |
| { |
| if ( this == obj ) |
| { |
| return true; |
| } |
| if ( obj == null ) |
| { |
| return false; |
| } |
| if ( getClass() != obj.getClass() ) |
| { |
| return false; |
| } |
| Foo other = (Foo) obj; |
| if ( enumValue != other.enumValue ) |
| { |
| return false; |
| } |
| if ( first == null ) |
| { |
| if ( other.first != null ) |
| { |
| return false; |
| } |
| } |
| else if ( !first.equals( other.first ) ) |
| { |
| return false; |
| } |
| if ( second == null ) |
| { |
| if ( other.second != null ) |
| { |
| return false; |
| } |
| } |
| else if ( !second.equals( other.second ) ) |
| { |
| return false; |
| } |
| if ( someOther != other.someOther ) |
| { |
| return false; |
| } |
| if ( value == null ) |
| { |
| if ( other.value != null ) |
| { |
| return false; |
| } |
| } |
| else if ( !value.equals( other.value ) ) |
| { |
| return false; |
| } |
| return true; |
| } |
| } |
| |
| public static enum Bar |
| { |
| Value1, Value2 |
| } |
| |
| public static class BarMarshaller |
| extends AbstractObjectMarshaller |
| { |
| |
| @Override |
| public boolean acceptType( Class<?> type ) |
| { |
| return type == Bar.class; |
| } |
| |
| @Override |
| public void marshall( Object value, PropertyDescriptor propertyDescriptor, Target target, |
| SerializationContext serializationContext ) |
| throws IOException |
| { |
| } |
| |
| @Override |
| public <V> V unmarshall( V value, PropertyDescriptor propertyDescriptor, Source source, |
| SerializationContext serializationContext ) |
| throws IOException |
| { |
| |
| return null; |
| } |
| } |
| |
| public static class SomeSpecialIntegerMarshaller |
| extends AbstractObjectMarshaller |
| { |
| |
| @Override |
| public boolean acceptType( Class<?> type ) |
| { |
| return type == Integer.class; |
| } |
| |
| @Override |
| public void marshall( Object value, PropertyDescriptor propertyDescriptor, Target target, |
| SerializationContext serializationContext ) |
| throws IOException |
| { |
| } |
| |
| @Override |
| public <V> V unmarshall( V value, PropertyDescriptor propertyDescriptor, Source source, |
| SerializationContext serializationContext ) |
| throws IOException |
| { |
| |
| return value; |
| } |
| |
| } |
| } |
