8225626: JMH Test Support for JDK-8222074
Summary: Micros for new SuperWord optimizations
Reviewed-by: vlivanov, ecaspole
Contributed-by: shravya.rukmannagari@intel.com
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/micro/org/openjdk/bench/vm/compiler/TypeVectorOperations.java Mon Jul 08 17:57:33 2019 -0400
@@ -0,0 +1,211 @@
+/*
+ * Copyright (c) 2019, 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.
+ */
+package org.openjdk.bench.vm.compiler;
+
+import org.openjdk.jmh.annotations.*;
+import org.openjdk.jmh.infra.*;
+
+import java.util.concurrent.TimeUnit;
+import java.util.Random;
+
+@BenchmarkMode(Mode.AverageTime)
+@OutputTimeUnit(TimeUnit.NANOSECONDS)
+@State(Scope.Thread)
+public abstract class TypeVectorOperations {
+ @Param({"512","1024", "2048"})
+ public int COUNT;
+
+ private byte[] bytesA;
+ private byte[] bytesB;
+ private byte[] resB;
+ private short[] shorts;
+ private short[] resS;
+ private int[] ints;
+ private int[] resI;
+ private long[] longs;
+ private long[] resL;
+ private double[] doubles;
+ private double[] resD;
+ private float[] floats;
+ private float[] resF;
+
+ @Param("0")
+ private int seed;
+ private Random r = new Random(seed);
+
+ @Setup
+ public void init() {
+ bytesA = new byte[COUNT];
+ bytesB = new byte[COUNT];
+ resB = new byte[COUNT];
+ shorts = new short[COUNT];
+ resS = new short[COUNT];
+ ints = new int[COUNT];
+ resI = new int[COUNT];
+ longs = new long[COUNT];
+ resL = new long[COUNT];
+ doubles = new double[COUNT];
+ resD = new double[COUNT];
+ floats = new float[COUNT];
+ resF = new float[COUNT];
+
+ for (int i = 0; i < COUNT; i++) {
+ shorts[i] = (short) r.nextInt(Short.MAX_VALUE + 1);
+ ints[i] = r.nextInt();
+ longs[i] = r.nextLong();
+ floats[i] = r.nextFloat();
+ doubles[i] = r.nextDouble();
+ }
+
+ r.nextBytes(bytesA);
+ r.nextBytes(bytesB);
+
+ }
+
+ @Benchmark
+ public void absB() {
+ for (int i = 0; i < COUNT; i++) {
+ byte a = bytesA[i];
+ resB[i] = (byte) (Math.abs((byte) a));
+ }
+ }
+
+ @Benchmark
+ public void mulB() {
+ for (int i = 0; i < COUNT; i++) {
+ byte a = bytesA[i];
+ byte b = bytesB[i];
+ resI[i] = a * b;
+ }
+ }
+
+ @Benchmark
+ public void lShiftB() {
+ for (int i = 0; i < COUNT; i++) {
+ resB[i] = (byte) (bytesA[i] << 3);
+ }
+ }
+
+ @Benchmark
+ public void rShiftB() {
+ for (int i = 0; i < COUNT; i++) {
+ resB[i] = (byte) (bytesA[i] >> 3);
+ }
+ }
+
+ @Benchmark
+ public void urShiftB() {
+ for (int i = 0; i < COUNT; i++) {
+ resB[i] = (byte) (bytesA[i] >>> 3);
+ }
+ }
+
+ @Benchmark
+ public void absS() {
+ for (int i = 0; i < COUNT; i++) {
+ short a = shorts[i];
+ resS[i] = (short) (Math.abs((short) a));
+ }
+ }
+
+ @Benchmark
+ public void absI() {
+ for (int i = 0; i < COUNT; i++) {
+ int a = ints[i];
+ resI[i] = Math.abs(a);
+ }
+ }
+
+ @Benchmark
+ public void mulI() {
+ for (int i = 0; i < COUNT; i++) {
+ resI[i] = (ints[i] * ints[i]);
+ }
+ }
+
+ @Benchmark
+ public void mulL() {
+ for (int i = 0; i < COUNT; i++) {
+ resL[i] = (longs[i] * longs[i]);
+ }
+ }
+
+ @Benchmark
+ public void absL() {
+ for (int i = 0; i < COUNT; i++) {
+ long a = longs[i];
+ resL[i] = (long) (Math.abs((long) a));
+ }
+ }
+
+ @Benchmark
+ public void rShiftL() {
+ for (int i = 0; i < COUNT; i++) {
+ resL[i] = longs[i] >> 3;
+ }
+ }
+
+ @Benchmark
+ public void absF() {
+ for (int i = 0; i < COUNT; i++) {
+ float a = floats[i];
+ resF[i] = (float) (Math.abs(a));
+ }
+ }
+
+ @Benchmark
+ public void negF() {
+ for (int i = 0; i < COUNT; i++) {
+ resF[i] = -floats[i];
+ }
+ }
+
+ @Benchmark
+ public void absD() {
+ for (int i = 0; i < COUNT; i++) {
+ double a = doubles[i];
+ resD[i] = (double) (Math.abs(a));
+ }
+ }
+
+ @Benchmark
+ public void negD() {
+ for (int i = 0; i < COUNT; i++) {
+ resD[i] = -doubles[i];
+ }
+ }
+
+ @Fork(value = 1, jvmArgsPrepend = {
+ "-XX:+UseSuperWord"
+ })
+ public static class TypeVectorOperationsSuperWord extends TypeVectorOperations {
+
+ }
+
+ @Fork(value = 1, jvmArgsPrepend = {
+ "-XX:-UseSuperWord"
+ })
+ public static class TypeVectorOperationsNonSuperWord extends TypeVectorOperations {
+ }
+
+}