/* * 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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.java.util.stream.tasks.IntegerMax; import org.openjdk.jmh.annotations.BenchmarkMode; import org.openjdk.jmh.annotations.Level; import org.openjdk.jmh.annotations.Mode; import org.openjdk.jmh.annotations.OutputTimeUnit; import org.openjdk.jmh.annotations.Scope; import org.openjdk.jmh.annotations.Setup; import org.openjdk.jmh.annotations.State; import java.util.concurrent.TimeUnit; /** * Bulk scenario: search for max value in array. * * This test covers other interesting solutions for the original problem. */ @BenchmarkMode(Mode.Throughput) @OutputTimeUnit(TimeUnit.SECONDS) @State(Scope.Benchmark) public class Xtras { private IntegerMaxProblem problem; @Setup(Level.Trial) public void populateData(){ problem = new IntegerMaxProblem(); } // @Benchmark // public int bulk_seq_inner_pull() { // Stream stream = Arrays.stream(problem.get()); // // // force pull traversal // Integer car = stream.iterator().next(); // Integer cdr = stream.reduce(Integer.MIN_VALUE, new BinaryOperator() { // @Override // public Integer apply(Integer l, Integer r) { // return l > r ? l : r; // } // }); // return (car > cdr) ? car : cdr; // } // // @Benchmark // public int bulk_par_inner_pull() { // Stream stream = Arrays.parallelStream(problem.get()); // // // force pull traversal // Integer car = stream.iterator().next(); // Integer cdr = stream.reduce(Integer.MIN_VALUE, new BinaryOperator() { // @Override // public Integer apply(Integer l, Integer r) { // return l > r ? l : r; // } // }); // return (car > cdr) ? car : cdr; // } }