changeset 55611:2ecbc4b12f79

8225626: JMH Test Support for JDK-8222074 Summary: Micros for new SuperWord optimizations Reviewed-by: vlivanov, ecaspole Contributed-by: shravya.rukmannagari@intel.com
author ecaspole
date Mon, 08 Jul 2019 17:57:33 -0400
parents 377e49b3014c
children e28b69b3dc96
files test/micro/org/openjdk/bench/vm/compiler/TypeVectorOperations.java
diffstat 1 files changed, 211 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- /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 {
+    }
+
+}