Home | History | Annotate | Download | only in src
      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 import com.google.caliper.SimpleBenchmark;
     18 
     19 public class ScopedPrimitiveArrayBenchmark extends SimpleBenchmark {
     20   // Measure adds the first and last element of the array by using ScopedPrimitiveArray.
     21   static native long measureByteArray(int reps, byte[] arr);
     22   static native long measureShortArray(int reps, short[] arr);
     23   static native long measureIntArray(int reps, int[] arr);
     24   static native long measureLongArray(int reps, long[] arr);
     25 
     26   static final int smallLength = 16;
     27   static final int mediumLength = 256;
     28   static final int largeLength = 8096;
     29   static byte[] smallBytes = new byte[smallLength];
     30   static byte[] mediumBytes = new byte[mediumLength];
     31   static byte[] largeBytes = new byte[largeLength];
     32   static short[] smallShorts = new short[smallLength];
     33   static short[] mediumShorts = new short[mediumLength];
     34   static short[] largeShorts = new short[largeLength];
     35   static int[] smallInts = new int[smallLength];
     36   static int[] mediumInts = new int[mediumLength];
     37   static int[] largeInts = new int[largeLength];
     38   static long[] smallLongs = new long[smallLength];
     39   static long[] mediumLongs = new long[mediumLength];
     40   static long[] largeLongs = new long[largeLength];
     41 
     42   public void timeSmallBytes(int reps) {
     43     measureByteArray(reps, smallBytes);
     44   }
     45 
     46   public void timeMediumBytes(int reps) {
     47     measureByteArray(reps, mediumBytes);
     48   }
     49 
     50   public void timeLargeBytes(int reps) {
     51     measureByteArray(reps, largeBytes);
     52   }
     53 
     54   public void timeSmallShorts(int reps) {
     55     measureShortArray(reps, smallShorts);
     56   }
     57 
     58   public void timeMediumShorts(int reps) {
     59     measureShortArray(reps, mediumShorts);
     60   }
     61 
     62   public void timeLargeShorts(int reps) {
     63     measureShortArray(reps, largeShorts);
     64   }
     65 
     66   public void timeSmallInts(int reps) {
     67     measureIntArray(reps, smallInts);
     68   }
     69 
     70   public void timeMediumInts(int reps) {
     71     measureIntArray(reps, mediumInts);
     72   }
     73 
     74   public void timeLargeInts(int reps) {
     75     measureIntArray(reps, largeInts);
     76   }
     77 
     78   public void timeSmallLongs(int reps) {
     79     measureLongArray(reps, smallLongs);
     80   }
     81 
     82   public void timeMediumLongs(int reps) {
     83     measureLongArray(reps, mediumLongs);
     84   }
     85 
     86   public void timeLargeLongs(int reps) {
     87     measureLongArray(reps, largeLongs);
     88   }
     89 
     90   {
     91     System.loadLibrary("artbenchmark");
     92   }
     93 }
     94