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view graal/com.oracle.graal.compiler.hsail.test/src/com/oracle/graal/compiler/hsail/test/lambda/ReduceMinTest.java @ 18163:c88ab4f1f04a
re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 24 Oct 2014 16:18:10 +0200 |
parents | 0e36e8377c99 |
children | 1daaa2c62142 |
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/* * Copyright (c) 2014, 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 com.oracle.graal.compiler.hsail.test.lambda; import static com.oracle.graal.hotspot.HotSpotGraalRuntime.*; import static org.junit.Assert.*; import static org.junit.Assume.*; import java.util.*; import java.util.stream.*; import org.junit.*; import com.amd.okra.*; import com.oracle.graal.hotspot.*; public class ReduceMinTest { // The length of the input array static int jobSize = 1027 * 1023 * 13; static int loops = 1; // The input array to the kernel int[] bigArray = null; // result for baseline single threaded stream int resultStream = 0; // result for parallel CPU and offloaded streams int resultOffload = 0; int evaluate(boolean doParallelStream) { int result = 0; for (int i = 0; i < loops; i++) { IntStream s = Arrays.stream(bigArray); if (doParallelStream == true) { OptionalInt resultParallel = s.parallel().reduce(Integer::min); result = resultParallel.getAsInt(); } else { result = s.reduce(Integer::min).getAsInt(); } } return result; } int evaluateWithIdentity(boolean doParallelStream) { int result = 0; for (int i = 0; i < loops; i++) { IntStream s = Arrays.stream(bigArray); if (doParallelStream == true) { result = s.parallel().reduce(0, Integer::min); } else { result = s.reduce(0, Integer::min); } } return result; } @Test public void testReduce() { // The simulator does not support HSA local memory as of June 2014 assumeTrue(OkraUtil.okraLibExists() && OkraContext.isSimulator() == false); // Handmade reduce does not support +UseCompressedOops HotSpotVMConfig config = runtime().getConfig(); if (config.useCompressedOops == true || config.useHSAILDeoptimization == true) { return; } bigArray = new int[jobSize]; for (int i = 0; i < jobSize; i++) { bigArray[i] = -1024 + i + 1; } // Get non parallel baseline resultStream = evaluate(false); // Get OptionalInt version kernel resultOffload = evaluate(true); assertTrue(resultStream == resultOffload); // Do identity version kernel // Get non parallel baseline resultStream = evaluateWithIdentity(false); resultOffload = evaluateWithIdentity(true); assertTrue(resultStream == resultOffload); } }