117 lines
4.4 KiB
Java
117 lines
4.4 KiB
Java
/*
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* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 8282711 8290249
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* @summary Accelerate Math.signum function for AVX, AVX512, aarch64 (Neon and SVE)
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* and riscv64 (vector)
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* @requires vm.compiler2.enabled
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* @requires (os.simpleArch == "x64" & vm.cpu.features ~= ".*avx.*") | os.arch == "aarch64" |
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* (os.arch == "riscv64" & vm.cpu.features ~= ".*rvv.*")
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* @library /test/lib /
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* @run driver compiler.vectorization.TestSignumVector
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*/
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package compiler.vectorization;
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import java.util.Random;
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import compiler.lib.ir_framework.*;
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public class TestSignumVector {
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private static final int ARRLEN = 1024;
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private static final int ITERS = 11000;
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private static double [] dinp;
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private static double [] dout;
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private static float [] finp;
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private static float [] fout;
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public static void main(String args[]) {
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TestFramework.runWithFlags("-XX:-TieredCompilation", "-XX:+UnlockDiagnosticVMOptions",
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"-XX:+UseSignumIntrinsic", "-XX:CompileThresholdScaling=0.3");
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System.out.println("PASSED");
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}
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@Test
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@IR(counts = {IRNode.SIGNUM_VD, "> 0"})
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public void test_signum_double(double[] dout, double[] dinp) {
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for (int i = 0; i < dout.length; i+=1) {
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dout[i] = Math.signum(dinp[i]);
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}
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}
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@Run(test = {"test_signum_double"}, mode = RunMode.STANDALONE)
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public void kernel_test_signum_double() {
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dinp = new double[ARRLEN];
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dout = new double[ARRLEN];
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Random rnd = new Random(20);
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for(int i = 0 ; i < ARRLEN; i++) {
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dinp[i] = (i-ARRLEN/2)*rnd.nextDouble();
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}
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for (int i = 0; i < ITERS; i++) {
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test_signum_double(dout , dinp);
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}
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for(int i = 0 ; i < ARRLEN; i++) {
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if (i-ARRLEN/2<0) {
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if (dout[i] != -1.0) throw new RuntimeException("Expected negative numbers in first half of array: " + java.util.Arrays.toString(dout));
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} else if (i-ARRLEN/2==0) {
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if (dout[i] != 0) throw new RuntimeException("Expected zero in the middle of array: " + java.util.Arrays.toString(dout));
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} else {
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if (dout[i] != 1.0) throw new RuntimeException("Expected positive numbers in second half of array: " + java.util.Arrays.toString(dout));
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}
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}
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}
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@Test
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@IR(counts = {IRNode.SIGNUM_VF, "> 0"})
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public void test_signum_float(float[] fout, float[] finp) {
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for (int i = 0; i < finp.length; i+=1) {
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fout[i] = Math.signum(finp[i]);
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}
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}
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@Run(test = {"test_signum_float"}, mode = RunMode.STANDALONE)
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public void kernel_test_round() {
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finp = new float[ARRLEN];
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fout = new float[ARRLEN];
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Random rnd = new Random(20);
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for(int i = 0 ; i < ARRLEN; i++) {
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finp[i] = (i-ARRLEN/2)*rnd.nextFloat();
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}
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for (int i = 0; i < ITERS; i++) {
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test_signum_float(fout , finp);
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}
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for(int i = 0 ; i < ARRLEN; i++) {
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if (i-ARRLEN/2<0) {
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if (fout[i] != -1.0) throw new RuntimeException("Expected negative numbers in first half of array: " + java.util.Arrays.toString(fout));
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} else if (i-ARRLEN/2==0) {
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if (fout[i] != 0) throw new RuntimeException("Expected zero in the middle of array: " + java.util.Arrays.toString(fout));
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} else {
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if (fout[i] != 1.0) throw new RuntimeException("Expected positive numbers in second half of array: " + java.util.Arrays.toString(fout));
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}
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}
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}
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}
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