1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.os; 18 19 import com.google.caliper.Param; 20 import com.google.caliper.SimpleBenchmark; 21 22 public class ParcelArrayBenchmark extends SimpleBenchmark { 23 24 @Param({ "1", "10", "100", "1000" }) 25 private int mSize; 26 27 private Parcel mWriteParcel; 28 29 private byte[] mByteArray; 30 private int[] mIntArray; 31 private long[] mLongArray; 32 33 private Parcel mByteParcel; 34 private Parcel mIntParcel; 35 private Parcel mLongParcel; 36 37 @Override 38 protected void setUp() { 39 mWriteParcel = Parcel.obtain(); 40 41 mByteArray = new byte[mSize]; 42 mIntArray = new int[mSize]; 43 mLongArray = new long[mSize]; 44 45 mByteParcel = Parcel.obtain(); 46 mByteParcel.writeByteArray(mByteArray); 47 mIntParcel = Parcel.obtain(); 48 mIntParcel.writeIntArray(mIntArray); 49 mLongParcel = Parcel.obtain(); 50 mLongParcel.writeLongArray(mLongArray); 51 } 52 53 @Override 54 protected void tearDown() { 55 mWriteParcel.recycle(); 56 mWriteParcel = null; 57 } 58 59 public void timeWriteByteArray(int reps) { 60 for (int i = 0; i < reps; i++) { 61 mWriteParcel.setDataPosition(0); 62 mWriteParcel.writeByteArray(mByteArray); 63 } 64 } 65 66 public void timeCreateByteArray(int reps) { 67 for (int i = 0; i < reps; i++) { 68 mByteParcel.setDataPosition(0); 69 mByteParcel.createByteArray(); 70 } 71 } 72 73 public void timeReadByteArray(int reps) { 74 for (int i = 0; i < reps; i++) { 75 mByteParcel.setDataPosition(0); 76 mByteParcel.readByteArray(mByteArray); 77 } 78 } 79 80 public void timeWriteIntArray(int reps) { 81 for (int i = 0; i < reps; i++) { 82 mWriteParcel.setDataPosition(0); 83 mWriteParcel.writeIntArray(mIntArray); 84 } 85 } 86 87 public void timeCreateIntArray(int reps) { 88 for (int i = 0; i < reps; i++) { 89 mIntParcel.setDataPosition(0); 90 mIntParcel.createIntArray(); 91 } 92 } 93 94 public void timeReadIntArray(int reps) { 95 for (int i = 0; i < reps; i++) { 96 mIntParcel.setDataPosition(0); 97 mIntParcel.readIntArray(mIntArray); 98 } 99 } 100 101 public void timeWriteLongArray(int reps) { 102 for (int i = 0; i < reps; i++) { 103 mWriteParcel.setDataPosition(0); 104 mWriteParcel.writeLongArray(mLongArray); 105 } 106 } 107 108 public void timeCreateLongArray(int reps) { 109 for (int i = 0; i < reps; i++) { 110 mLongParcel.setDataPosition(0); 111 mLongParcel.createLongArray(); 112 } 113 } 114 115 public void timeReadLongArray(int reps) { 116 for (int i = 0; i < reps; i++) { 117 mLongParcel.setDataPosition(0); 118 mLongParcel.readLongArray(mLongArray); 119 } 120 } 121 122 } 123