test/micro/org/openjdk/bench/java/util/stream/tasks/IntegerDuplicate/IntegerDuplicateProblem.java
author redestad
Fri, 16 Nov 2018 23:39:51 +0100
changeset 52595 16609197022c
permissions -rw-r--r--
8061281: Microbenchmark suite build support, directory layout and sample benchmarks 8061282: Migrate jmh-jdk-microbenchmarks into the JDK Reviewed-by: ecaspole, mchung, erikj, ihse Contributed-by: magnus.ihse.bursie@oracle.com, erik.joelsson@oracle.com, claes.redestad@oracle.com, sfriberg@kth.se
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/*
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 * Copyright (c) 2014 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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package org.openjdk.bench.java.util.stream.tasks.IntegerDuplicate;
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import java.util.Random;
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public class IntegerDuplicateProblem {
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    private static final int DATA_SIZE = Integer.getInteger("bench.problemSize", 10*1024*1024);
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    private final Integer[] data = new Integer[DATA_SIZE];
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    public IntegerDuplicateProblem() {
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        // use fixed seed to reduce run-to-run variance
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        Random rand = new Random(0x30052012);
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        for (int i = 0; i < data.length; i++) {
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            data[i] = new Integer(rand.nextInt());
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        }
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    }
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    public Integer[] get() {
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        return data;
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    }
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}