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      1 /*
      2  * Copyright (C) 2015 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 public class ScopedPrimitiveArrayBenchmark {
     18   // Measure adds the first and last element of the array by using ScopedPrimitiveArray.
     19   static native long measureByteArray(int reps, byte[] arr);
     20   static native long measureShortArray(int reps, short[] arr);
     21   static native long measureIntArray(int reps, int[] arr);
     22   static native long measureLongArray(int reps, long[] arr);
     23 
     24   static final int smallLength = 16;
     25   static final int mediumLength = 256;
     26   static final int largeLength = 8096;
     27   static byte[] smallBytes = new byte[smallLength];
     28   static byte[] mediumBytes = new byte[mediumLength];
     29   static byte[] largeBytes = new byte[largeLength];
     30   static short[] smallShorts = new short[smallLength];
     31   static short[] mediumShorts = new short[mediumLength];
     32   static short[] largeShorts = new short[largeLength];
     33   static int[] smallInts = new int[smallLength];
     34   static int[] mediumInts = new int[mediumLength];
     35   static int[] largeInts = new int[largeLength];
     36   static long[] smallLongs = new long[smallLength];
     37   static long[] mediumLongs = new long[mediumLength];
     38   static long[] largeLongs = new long[largeLength];
     39 
     40   public void timeSmallBytes(int reps) {
     41     measureByteArray(reps, smallBytes);
     42   }
     43 
     44   public void timeMediumBytes(int reps) {
     45     measureByteArray(reps, mediumBytes);
     46   }
     47 
     48   public void timeLargeBytes(int reps) {
     49     measureByteArray(reps, largeBytes);
     50   }
     51 
     52   public void timeSmallShorts(int reps) {
     53     measureShortArray(reps, smallShorts);
     54   }
     55 
     56   public void timeMediumShorts(int reps) {
     57     measureShortArray(reps, mediumShorts);
     58   }
     59 
     60   public void timeLargeShorts(int reps) {
     61     measureShortArray(reps, largeShorts);
     62   }
     63 
     64   public void timeSmallInts(int reps) {
     65     measureIntArray(reps, smallInts);
     66   }
     67 
     68   public void timeMediumInts(int reps) {
     69     measureIntArray(reps, mediumInts);
     70   }
     71 
     72   public void timeLargeInts(int reps) {
     73     measureIntArray(reps, largeInts);
     74   }
     75 
     76   public void timeSmallLongs(int reps) {
     77     measureLongArray(reps, smallLongs);
     78   }
     79 
     80   public void timeMediumLongs(int reps) {
     81     measureLongArray(reps, mediumLongs);
     82   }
     83 
     84   public void timeLargeLongs(int reps) {
     85     measureLongArray(reps, largeLongs);
     86   }
     87 
     88   {
     89     System.loadLibrary("artbenchmark");
     90   }
     91 }
     92