/*
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* @test
* @bug 8074981
* @summary Add C2 x86 Superword support for scalar product reduction optimizations : int test
* @requires os.arch=="x86" | os.arch=="i386" | os.arch=="amd64" | os.arch=="x86_64" | os.arch=="aarch64"
*
* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions
* -XX:LoopUnrollLimit=250 -XX:CompileThresholdScaling=0.1
* -XX:CompileCommand=exclude,compiler.loopopts.superword.ReductionPerf::main
* -XX:+SuperWordReductions
* compiler.loopopts.superword.ReductionPerf
* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions
* -XX:LoopUnrollLimit=250 -XX:CompileThresholdScaling=0.1
* -XX:CompileCommand=exclude,compiler.loopopts.superword.ReductionPerf::main
* -XX:-SuperWordReductions
* compiler.loopopts.superword.ReductionPerf
*/
package compiler.loopopts.superword;
public class ReductionPerf {
public static void main(String[] args) throws Exception {
int[] a1 = new int[8 * 1024];
int[] a2 = new int[8 * 1024];
int[] a3 = new int[8 * 1024];
long[] b1 = new long[8 * 1024];
long[] b2 = new long[8 * 1024];
long[] b3 = new long[8 * 1024];
float[] c1 = new float[8 * 1024];
float[] c2 = new float[8 * 1024];
float[] c3 = new float[8 * 1024];
double[] d1 = new double[8 * 1024];
double[] d2 = new double[8 * 1024];
double[] d3 = new double[8 * 1024];
ReductionInit(a1, a2, a3, b1, b2, b3, c1, c2, c3, d1, d2, d3);
int sumIv = sumInt(a1, a2, a3);
long sumLv = sumLong(b1, b2, b3);
float sumFv = sumFloat(c1, c2, c3);
double sumDv = sumDouble(d1, d2, d3);
int mulIv = prodInt(a1, a2, a3);
long mulLv = prodLong(b1, b2, b3);
float mulFv = prodFloat(c1, c2, c3);
double mulDv = prodDouble(d1, d2, d3);
int sumI = 0;
long sumL = 0;
float sumF = 0.f;
double sumD = 0.;
int mulI = 0;
long mulL = 0;
float mulF = 0.f;
double mulD = 0.;
System.out.println("Warmup ...");
long start = System.currentTimeMillis();
for (int j = 0; j < 2000; j++) {
sumI = sumInt(a1, a2, a3);
sumL = sumLong(b1, b2, b3);
sumF = sumFloat(c1, c2, c3);
sumD = sumDouble(d1, d2, d3);
mulI = prodInt(a1, a2, a3);
mulL = prodLong(b1, b2, b3);
mulF = prodFloat(c1, c2, c3);
mulD = prodDouble(d1, d2, d3);
}
long stop = System.currentTimeMillis();
System.out.println(" Warmup is done in " + (stop - start) + " msec");
if (sumIv != sumI) {
System.out.println("sum int: " + sumIv + " != " + sumI);
}
if (sumLv != sumL) {
System.out.println("sum long: " + sumLv + " != " + sumL);
}
if (sumFv != sumF) {
System.out.println("sum float: " + sumFv + " != " + sumF);
}
if (sumDv != sumD) {
System.out.println("sum double: " + sumDv + " != " + sumD);
}
if (mulIv != mulI) {
System.out.println("prod int: " + mulIv + " != " + mulI);
}
if (mulLv != mulL) {
System.out.println("prod long: " + mulLv + " != " + mulL);
}
if (mulFv != mulF) {
System.out.println("prod float: " + mulFv + " != " + mulF);
}
if (mulDv != mulD) {
System.out.println("prod double: " + mulDv + " != " + mulD);
}
start = System.currentTimeMillis();
for (int j = 0; j < 5000; j++) {
sumI = sumInt(a1, a2, a3);
}
stop = System.currentTimeMillis();
System.out.println("sum int: " + (stop - start));
start = System.currentTimeMillis();
for (int j = 0; j < 5000; j++) {
sumL = sumLong(b1, b2, b3);
}
stop = System.currentTimeMillis();
System.out.println("sum long: " + (stop - start));
start = System.currentTimeMillis();
for (int j = 0; j < 5000; j++) {
sumF = sumFloat(c1, c2, c3);
}
stop = System.currentTimeMillis();
System.out.println("sum float: " + (stop - start));
start = System.currentTimeMillis();
for (int j = 0; j < 5000; j++) {
sumD = sumDouble(d1, d2, d3);
}
stop = System.currentTimeMillis();
System.out.println("sum double: " + (stop - start));
start = System.currentTimeMillis();
for (int j = 0; j < 5000; j++) {
mulI = prodInt(a1, a2, a3);
}
stop = System.currentTimeMillis();
System.out.println("prod int: " + (stop - start));
start = System.currentTimeMillis();
for (int j = 0; j < 5000; j++) {
mulL = prodLong(b1, b2, b3);
}
stop = System.currentTimeMillis();
System.out.println("prod long: " + (stop - start));
start = System.currentTimeMillis();
for (int j = 0; j < 5000; j++) {
mulF = prodFloat(c1, c2, c3);
}
stop = System.currentTimeMillis();
System.out.println("prod float: " + (stop - start));
start = System.currentTimeMillis();
for (int j = 0; j < 5000; j++) {
mulD = prodDouble(d1, d2, d3);
}
stop = System.currentTimeMillis();
System.out.println("prod double: " + (stop - start));
}
public static void ReductionInit(int[] a1, int[] a2, int[] a3,
long[] b1, long[] b2, long[] b3,
float[] c1, float[] c2, float[] c3,
double[] d1, double[] d2, double[] d3) {
for(int i = 0; i < a1.length; i++) {
a1[i] = (i + 0);
a2[i] = (i + 1);
a3[i] = (i + 2);
b1[i] = (long) (i + 0);
b2[i] = (long) (i + 1);
b3[i] = (long) (i + 2);
c1[i] = (float) (i + 0);
c2[i] = (float) (i + 1);
c3[i] = (float) (i + 2);
d1[i] = (double) (i + 0);
d2[i] = (double) (i + 1);
d3[i] = (double) (i + 2);
}
}
public static int sumInt(int[] a1, int[] a2, int[] a3) {
int total = 0;
for (int i = 0; i < a1.length; i++) {
total += (a1[i] * a2[i]) + (a1[i] * a3[i]) + (a2[i] * a3[i]);
}
return total;
}
public static long sumLong(long[] b1, long[] b2, long[] b3) {
long total = 0;
for (int i = 0; i < b1.length; i++) {
total += (b1[i] * b2[i]) + (b1[i] * b3[i]) + (b2[i] * b3[i]);
}
return total;
}
public static float sumFloat(float[] c1, float[] c2, float[] c3) {
float total = 0;
for (int i = 0; i < c1.length; i++) {
total += (c1[i] * c2[i]) + (c1[i] * c3[i]) + (c2[i] * c3[i]);
}
return total;
}
public static double sumDouble(double[] d1, double[] d2, double[] d3) {
double total = 0;
for (int i = 0; i < d1.length; i++) {
total += (d1[i] * d2[i]) + (d1[i] * d3[i]) + (d2[i] * d3[i]);
}
return total;
}
public static int prodInt(int[] a1, int[] a2, int[] a3) {
int total = 1;
for (int i = 0; i < a1.length; i++) {
total *= (a1[i] * a2[i]) + (a1[i] * a3[i]) + (a2[i] * a3[i]);
}
return total;
}
public static long prodLong(long[] b1, long[] b2, long[] b3) {
long total = 1;
for (int i = 0; i < b1.length; i++) {
total *= (b1[i] * b2[i]) + (b1[i] * b3[i]) + (b2[i] * b3[i]);
}
return total;
}
public static float prodFloat(float[] c1, float[] c2, float[] c3) {
float total = 1;
for (int i = 0; i < c1.length; i++) {
total *= (c1[i] * c2[i]) + (c1[i] * c3[i]) + (c2[i] * c3[i]);
}
return total;
}
public static double prodDouble(double[] d1, double[] d2, double[] d3) {
double total = 1;
for (int i = 0; i < d1.length; i++) {
total *= (d1[i] * d2[i]) + (d1[i] * d3[i]) + (d2[i] * d3[i]);
}
return total;
}
}