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.SimpleBenchmark; 20 21 public class ParcelBenchmark extends SimpleBenchmark { 22 23 private Parcel mParcel; 24 25 @Override 26 protected void setUp() { 27 mParcel = Parcel.obtain(); 28 } 29 30 @Override 31 protected void tearDown() { 32 mParcel.recycle(); 33 mParcel = null; 34 } 35 36 public void timeWriteByte(int reps) { 37 final byte val = 0xF; 38 for (int i = 0; i < reps; i++) { 39 mParcel.writeByte(val); 40 } 41 } 42 43 public void timeReadByte(int reps) { 44 mParcel.setDataCapacity(reps); 45 for (int i = 0; i < reps; i++) { 46 mParcel.readByte(); 47 } 48 } 49 50 public void timeWriteInt(int reps) { 51 final int val = 0xF; 52 for (int i = 0; i < reps; i++) { 53 mParcel.writeInt(val); 54 } 55 } 56 57 public void timeReadInt(int reps) { 58 mParcel.setDataCapacity(reps << 2); 59 for (int i = 0; i < reps; i++) { 60 mParcel.readInt(); 61 } 62 } 63 64 public void timeWriteLong(int reps) { 65 final long val = 0xF; 66 for (int i = 0; i < reps; i++) { 67 mParcel.writeLong(val); 68 } 69 } 70 71 public void timeReadLong(int reps) { 72 mParcel.setDataCapacity(reps << 3); 73 for (int i = 0; i < reps; i++) { 74 mParcel.readLong(); 75 } 76 } 77 } 78