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/*
* Copyright (C) 2016 Linaro Limited. All rights received.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.linaro.benchmarks;
import org.openjdk.jmh.annotations.*;
import java.util.concurrent.TimeUnit;
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.MICROSECONDS)
@State(Scope.Benchmark)
public class TestSIMDCopy {
static final int LENGTH = 1024 * 256;
static int [] a = new int[LENGTH];
static int [] c = new int[LENGTH];
static short [] sa = new short[LENGTH];
static short [] sc = new short[LENGTH];
static byte [] ba = new byte[LENGTH];
static byte [] bc = new byte[LENGTH];
public static void TestSIMDCopyInit() {
for (int i = 0; i < LENGTH; i++) {
a[i] = i + 3;
c[i] = i + 1;
sa[i] = (short)(i + 3);
sc[i] = (short)(i + 1);
ba[i] = (byte)(i + 3);
bc[i] = (byte)(i + 1);
}
}
public static void vectCopyInt() {
for (int i = 0; i < LENGTH; i++) {
c[i] = a[i];
}
}
public static void vectCopyShort() {
for (int i = 0; i < LENGTH; i++) {
sc[i] = sa[i];
}
}
public static void vectCopyByte() {
for (int i = 0; i < LENGTH; i++) {
bc[i] = ba[i];
}
}
@Setup
public void setup()
{
TestSIMDCopyInit();
}
@Benchmark
public void testVectCopyByte() {
vectCopyByte();
}
@Benchmark
public void testVectCopyShort() {
vectCopyShort();
}
@Benchmark
public void testVectCopyInt() {
vectCopyInt();
}
}
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