78 lines
2.4 KiB
Java
78 lines
2.4 KiB
Java
/*
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* Copyright (c) 2020, Huawei Technologies Co., Ltd. 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.micro.bench.java.util;
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import org.openjdk.jmh.annotations.*;
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import org.openjdk.jmh.infra.Blackhole;
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import java.util.Base64;
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import java.util.Random;
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import java.util.ArrayList;
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import java.util.concurrent.TimeUnit;
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@BenchmarkMode(Mode.Throughput)
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@OutputTimeUnit(TimeUnit.MILLISECONDS)
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@State(Scope.Thread)
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@Warmup(iterations = 4, time = 2)
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@Measurement(iterations = 4, time = 2)
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@Fork(value = 3)
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public class Base64Encode {
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private Base64.Encoder encoder;
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private ArrayList<byte[]> unencoded;
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private byte[] encoded;
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private static final int TESTSIZE = 1000;
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@Param({"1", "2", "3", "6", "7", "9", "10", "48", "512", "1000", "20000"})
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private int maxNumBytes;
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@Setup
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public void setup() {
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Random r = new Random(1123);
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int dstLen = ((maxNumBytes + 16) / 3) * 4;
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encoder = Base64.getEncoder();
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unencoded = new ArrayList<byte[]> ();
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encoded = new byte[dstLen];
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for (int i = 0; i < TESTSIZE; i++) {
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int srcLen = 1 + r.nextInt(maxNumBytes);
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byte[] src = new byte[srcLen];
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r.nextBytes(src);
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unencoded.add(src);
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}
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}
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@Benchmark
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@OperationsPerInvocation(TESTSIZE)
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public void testBase64Encode(Blackhole bh) {
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for (byte[] s : unencoded) {
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encoder.encode(s, encoded);
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bh.consume(encoded);
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}
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}
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}
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