1 /* 2 * Copyright (c) 2014 Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.openjdk.bench.java.util.stream.ops.value; 24 25 import org.openjdk.jmh.annotations.Benchmark; 26 import org.openjdk.jmh.annotations.BenchmarkMode; 27 import org.openjdk.jmh.annotations.Mode; 28 import org.openjdk.jmh.annotations.OutputTimeUnit; 29 import org.openjdk.jmh.annotations.Param; 30 import org.openjdk.jmh.annotations.Scope; 31 import org.openjdk.jmh.annotations.State; 32 33 import java.util.concurrent.TimeUnit; 34 import java.util.stream.LongStream; 35 36 /** 37 * Benchmark for findAny() operation. 38 */ 39 @BenchmarkMode(Mode.Throughput) 40 @OutputTimeUnit(TimeUnit.SECONDS) 41 @State(Scope.Thread) 42 public class FindAny { 43 44 @Param("100000") 45 private int size; 46 47 @Benchmark 48 public long seq_invoke() { 49 return LongStream.range(0, size).findAny().getAsLong(); 50 } 51 52 @Benchmark 53 public long par_invoke() { 54 return LongStream.range(0, size).parallel().findAny().getAsLong(); 55 } 56 57 }