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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.vector;
import org.openjdk.jmh.annotations.*;
import java.util.concurrent.TimeUnit;
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.MICROSECONDS)
@State(Scope.Benchmark)
public class TestSIMDMlaShort {
static final int LENGTH = 1024;
static final int COUNT = 128;
static short [] a = new short[LENGTH];
static short [] b = new short[LENGTH];
static short [] c = new short[LENGTH];
static short [] d = new short[LENGTH];
public static void TestSIMDMlaInit() {
for (int i = 0; i < LENGTH; i++) {
a[i] = 3;
b[i] = 2;
c[i] = 1;
}
}
public static int vectSumOfMulAdd1(
short[] a,
short[] b,
short[] c,
short[] d) {
int total = 0;
for (int i = 0; i < LENGTH; i++) {
d[i] = (short)(a[i] * b[i] + c[i]);
total += d[i];
}
return total;
}
public static int vectSumOfMulAdd2(
short[] a,
short[] b,
short[] c,
short[] d) {
int total = 0;
for (int i = 0; i < LENGTH; i++) {
d[i] = (short)(a[i] * b[i] + a[i] * c[i]);
total += d[i];
}
return total;
}
public static int vectSumOfMulAdd3(
short[] a,
short[] b,
short[] c,
short[] d) {
int total = 0;
for (int i = 0; i < LENGTH; i++) {
d[i] = (short)((a[i] * b[i]) + (a[i] * c[i]) + (b[i] * c[i]));
total += d[i];
}
return total;
}
public static void vectMulAdd1(
short[] a,
short[] b,
short[] c,
short[] d) {
for (int i = 0; i < LENGTH; i++) {
d[i] = (short)(a[i] * b[i] + c[i]);
}
}
public static void vectMulAdd2(
short[] a,
short[] b,
short[] c,
short[] d) {
for (int i = 0; i < LENGTH; i++) {
d[i] = (short)(a[i] * b[i] + a[i] * c[i]);
}
}
public static void vectMulAdd3(
short[] a,
short[] b,
short[] c,
short[] d) {
for (int i = 0; i < LENGTH; i++) {
d[i] = (short)((a[i] * b[i]) + (a[i] * c[i]) + (b[i] * c[i]));
}
}
@Setup
public void setup()
{
TestSIMDMlaInit();
}
@Benchmark
public void testVectSumOfMulAdd1() {
int sum = 0;
for (int i = 0; i < COUNT; i++) {
sum += vectSumOfMulAdd1(a, b, c, d);
}
}
@Benchmark
public void testVectSumOfMulAdd2() {
int sum = 0;
for (int i = 0; i < COUNT; i++) {
sum += vectSumOfMulAdd2(a, b, c, d);
}
}
@Benchmark
public void testVectSumOfMulAdd3() {
int sum = 0;
for (int i = 0; i < COUNT; i++) {
sum += vectSumOfMulAdd3(a, b, c, d);
}
}
@Benchmark
public void testVectMulAdd1() {
for (int i = 0; i < COUNT; i++) {
vectMulAdd1(a, b, c, d);
}
}
@Benchmark
public void testVectMulAdd2() {
for (int i = 0; i < COUNT; i++) {
vectMulAdd2(a, b, c, d);
}
}
@Benchmark
public void testVectMulAdd3() {
for (int i = 0; i < COUNT; i++) {
vectMulAdd3(a, b, c, d);
}
}
}
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