Home | History | Annotate | Download | only in os 
      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