| /* |
| * Copyright (C) 2022 The Android Open Source Project |
| * |
| * Licensed 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 android.libcore.regression; |
| |
| import android.perftests.utils.BenchmarkState; |
| import android.perftests.utils.PerfStatusReporter; |
| import android.test.suitebuilder.annotation.LargeTest; |
| |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| import java.io.ObjectStreamClass; |
| import java.io.Serializable; |
| import java.util.ArrayList; |
| |
| @RunWith(AndroidJUnit4.class) |
| @LargeTest |
| public class SerializationPerfTest { |
| @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter(); |
| |
| private static byte[] bytes(Object o) throws Exception { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(1024); |
| ObjectOutputStream out = new ObjectOutputStream(baos); |
| out.writeObject(o); |
| out.close(); |
| return baos.toByteArray(); |
| } |
| |
| @Test |
| public void timeReadIntArray() throws Exception { |
| int[] intArray = new int[256]; |
| readSingleObject(intArray); |
| } |
| |
| @Test |
| public void timeWriteIntArray() throws Exception { |
| int[] intArray = new int[256]; |
| writeSingleObject(intArray); |
| } |
| |
| @Test |
| public void timeReadArrayListInteger() throws Exception { |
| ArrayList<Integer> object = new ArrayList<Integer>(); |
| for (int i = 0; i < 256; ++i) { |
| object.add(i); |
| } |
| readSingleObject(object); |
| } |
| |
| @Test |
| public void timeWriteArrayListInteger() throws Exception { |
| ArrayList<Integer> object = new ArrayList<Integer>(); |
| for (int i = 0; i < 256; ++i) { |
| object.add(i); |
| } |
| writeSingleObject(object); |
| } |
| |
| @Test |
| public void timeReadString() throws Exception { |
| readSingleObject("hello"); |
| } |
| |
| @Test |
| public void timeReadObjectStreamClass() throws Exception { |
| // A special case because serialization itself requires this class. |
| // (This should really be a unit test.) |
| ObjectStreamClass osc = ObjectStreamClass.lookup(String.class); |
| readSingleObject(osc); |
| } |
| |
| @Test |
| public void timeWriteString() throws Exception { |
| // String is a special case that avoids JNI. |
| writeSingleObject("hello"); |
| } |
| |
| @Test |
| public void timeWriteObjectStreamClass() throws Exception { |
| // A special case because serialization itself requires this class. |
| // (This should really be a unit test.) |
| ObjectStreamClass osc = ObjectStreamClass.lookup(String.class); |
| writeSingleObject(osc); |
| } |
| |
| // This is |
| // |
| // @Testa baseline for the others. |
| public void timeWriteNoObjects() throws Exception { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(1024); |
| ObjectOutputStream out = new ObjectOutputStream(baos); |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| out.reset(); |
| baos.reset(); |
| } |
| out.close(); |
| } |
| |
| private void readSingleObject(Object object) throws Exception { |
| byte[] bytes = bytes(object); |
| ByteArrayInputStream bais = new ByteArrayInputStream(bytes); |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| ObjectInputStream in = new ObjectInputStream(bais); |
| in.readObject(); |
| in.close(); |
| bais.reset(); |
| } |
| } |
| |
| private void writeSingleObject(Object o) throws Exception { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(1024); |
| ObjectOutputStream out = new ObjectOutputStream(baos); |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| out.writeObject(o); |
| out.reset(); |
| baos.reset(); |
| } |
| out.close(); |
| } |
| |
| @Test |
| public void timeWriteEveryKindOfField() throws Exception { |
| writeSingleObject(new LittleBitOfEverything()); |
| } |
| |
| @Test |
| public void timeWriteSerializableBoolean() throws Exception { |
| writeSingleObject(new SerializableBoolean()); |
| } |
| |
| @Test |
| public void timeWriteSerializableByte() throws Exception { |
| writeSingleObject(new SerializableByte()); |
| } |
| |
| @Test |
| public void timeWriteSerializableChar() throws Exception { |
| writeSingleObject(new SerializableChar()); |
| } |
| |
| @Test |
| public void timeWriteSerializableDouble() throws Exception { |
| writeSingleObject(new SerializableDouble()); |
| } |
| |
| @Test |
| public void timeWriteSerializableFloat() throws Exception { |
| writeSingleObject(new SerializableFloat()); |
| } |
| |
| @Test |
| public void timeWriteSerializableInt() throws Exception { |
| writeSingleObject(new SerializableInt()); |
| } |
| |
| @Test |
| public void timeWriteSerializableLong() throws Exception { |
| writeSingleObject(new SerializableLong()); |
| } |
| |
| @Test |
| public void timeWriteSerializableShort() throws Exception { |
| writeSingleObject(new SerializableShort()); |
| } |
| |
| @Test |
| public void timeWriteSerializableReference() throws Exception { |
| writeSingleObject(new SerializableReference()); |
| } |
| |
| @Test |
| public void timeReadEveryKindOfField() throws Exception { |
| readSingleObject(new LittleBitOfEverything()); |
| } |
| |
| @Test |
| public void timeReadSerializableBoolean() throws Exception { |
| readSingleObject(new SerializableBoolean()); |
| } |
| |
| @Test |
| public void timeReadSerializableByte() throws Exception { |
| readSingleObject(new SerializableByte()); |
| } |
| |
| @Test |
| public void timeReadSerializableChar() throws Exception { |
| readSingleObject(new SerializableChar()); |
| } |
| |
| @Test |
| public void timeReadSerializableDouble() throws Exception { |
| readSingleObject(new SerializableDouble()); |
| } |
| |
| @Test |
| public void timeReadSerializableFloat() throws Exception { |
| readSingleObject(new SerializableFloat()); |
| } |
| |
| @Test |
| public void timeReadSerializableInt() throws Exception { |
| readSingleObject(new SerializableInt()); |
| } |
| |
| @Test |
| public void timeReadSerializableLong() throws Exception { |
| readSingleObject(new SerializableLong()); |
| } |
| |
| @Test |
| public void timeReadSerializableShort() throws Exception { |
| readSingleObject(new SerializableShort()); |
| } |
| |
| @Test |
| public void timeReadSerializableReference() throws Exception { |
| readSingleObject(new SerializableReference()); |
| } |
| |
| public static class SerializableBoolean implements Serializable { |
| boolean mZ; |
| } |
| |
| public static class SerializableByte implements Serializable { |
| byte mB; |
| } |
| |
| public static class SerializableChar implements Serializable { |
| char mC; |
| } |
| |
| public static class SerializableDouble implements Serializable { |
| double mD; |
| } |
| |
| public static class SerializableFloat implements Serializable { |
| float mF; |
| } |
| |
| public static class SerializableInt implements Serializable { |
| int mI; |
| } |
| |
| public static class SerializableLong implements Serializable { |
| long mJ; |
| } |
| |
| public static class SerializableShort implements Serializable { |
| short mS; |
| } |
| |
| public static class SerializableReference implements Serializable { |
| Object mL; |
| } |
| |
| public static class LittleBitOfEverything implements Serializable { |
| boolean mZ; |
| byte mB; |
| char mC; |
| double mD; |
| float mF; |
| int mI; |
| long mJ; |
| short mS; |
| Object mL; |
| } |
| } |