| /** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| |
| package org.apache.bookkeeper.proto.checksum; |
| |
| import io.netty.buffer.ByteBuf; |
| import io.netty.buffer.ByteBufAllocator; |
| import io.netty.buffer.CompositeByteBuf; |
| import io.netty.buffer.PooledByteBufAllocator; |
| import io.netty.buffer.Unpooled; |
| |
| import java.nio.charset.StandardCharsets; |
| import java.util.concurrent.ThreadLocalRandom; |
| import java.util.concurrent.TimeUnit; |
| import org.apache.bookkeeper.proto.DataFormats.LedgerMetadataFormat.DigestType; |
| import org.openjdk.jmh.annotations.Benchmark; |
| import org.openjdk.jmh.annotations.BenchmarkMode; |
| import org.openjdk.jmh.annotations.Fork; |
| import org.openjdk.jmh.annotations.Level; |
| import org.openjdk.jmh.annotations.Measurement; |
| import org.openjdk.jmh.annotations.Mode; |
| import org.openjdk.jmh.annotations.OutputTimeUnit; |
| import org.openjdk.jmh.annotations.Param; |
| import org.openjdk.jmh.annotations.Scope; |
| import org.openjdk.jmh.annotations.Setup; |
| import org.openjdk.jmh.annotations.State; |
| import org.openjdk.jmh.annotations.TearDown; |
| import org.openjdk.jmh.annotations.Threads; |
| import org.openjdk.jmh.annotations.Warmup; |
| |
| /** |
| * Microbenchmarks for different digest type |
| * getting started: |
| * 1. http://tutorials.jenkov.com/java-performance/jmh.html |
| * 2. http://hg.openjdk.java.net/code-tools/jmh/file/tip/jmh-samples/src/main/java/org/openjdk/jmh/samples/ |
| * 3. google |
| * To run: |
| * build project from command line. |
| * execute ./run.sh |
| */ |
| public class DigestTypeBenchmark { |
| |
| /** |
| * BufferType. |
| */ |
| public enum BufferType { |
| ARRAY_BACKED, |
| NOT_ARRAY_BACKED, |
| BYTE_BUF_DEFAULT_ALLOC |
| } |
| |
| /** |
| * Digest. |
| */ |
| public enum Digest { |
| MAC, |
| CRC32, |
| CRC32_C, |
| } |
| |
| static byte[] randomBytes(int sz) { |
| byte[] b = new byte[sz]; |
| ThreadLocalRandom.current().nextBytes(b); |
| return b; |
| } |
| |
| /** |
| * MyState. |
| */ |
| @State(Scope.Thread) |
| public static class MyState { |
| |
| @Param |
| public BufferType bufferType; |
| @Param |
| public Digest digest; |
| @Param({"1024", "4086", "8192", "16384", "65536"}) |
| public int entrySize; |
| |
| private DigestManager crc32; |
| private DigestManager crc32c; |
| private DigestManager mac; |
| |
| private ByteBuf arrayBackedBuffer; |
| private CompositeByteBuf notArrayBackedBuffer; |
| private ByteBuf byteBufDefaultAlloc; |
| |
| public ByteBuf digestBuf; |
| |
| @Setup(Level.Trial) |
| public void doSetup() throws Exception { |
| final byte[] password = "password".getBytes(StandardCharsets.UTF_8); |
| crc32 = DigestManager.instantiate(ThreadLocalRandom.current().nextLong(0, Long.MAX_VALUE), |
| password, DigestType.CRC32, PooledByteBufAllocator.DEFAULT, true); |
| |
| crc32c = DigestManager.instantiate(ThreadLocalRandom.current().nextLong(0, Long.MAX_VALUE), |
| password, DigestType.CRC32C, PooledByteBufAllocator.DEFAULT, true); |
| |
| mac = DigestManager.instantiate(ThreadLocalRandom.current().nextLong(0, Long.MAX_VALUE), |
| password, DigestType.HMAC, PooledByteBufAllocator.DEFAULT, true); |
| |
| digestBuf = Unpooled.buffer(getDigestManager(digest).getMacCodeLength()); |
| |
| arrayBackedBuffer = Unpooled.wrappedBuffer(randomBytes(entrySize)); |
| |
| final int headerSize = 32 + getDigestManager(digest).getMacCodeLength(); |
| notArrayBackedBuffer = new CompositeByteBuf(ByteBufAllocator.DEFAULT, true, 2); |
| notArrayBackedBuffer.addComponent(Unpooled.wrappedBuffer(randomBytes(headerSize))); |
| notArrayBackedBuffer.addComponent(Unpooled.wrappedBuffer((randomBytes(entrySize - headerSize)))); |
| |
| byteBufDefaultAlloc = ByteBufAllocator.DEFAULT.buffer(entrySize, entrySize); |
| byteBufDefaultAlloc.writeBytes(randomBytes(entrySize)); |
| |
| if (!arrayBackedBuffer.hasArray() || notArrayBackedBuffer.hasArray()) { |
| throw new IllegalStateException("buffers in invalid state"); |
| } |
| } |
| |
| @TearDown(Level.Trial) |
| public void doTearDown() { |
| } |
| |
| public ByteBuf getByteBuff(BufferType bType) { |
| switch (bType) { |
| case ARRAY_BACKED: |
| return arrayBackedBuffer; |
| case NOT_ARRAY_BACKED: |
| return notArrayBackedBuffer; |
| case BYTE_BUF_DEFAULT_ALLOC: |
| return byteBufDefaultAlloc; |
| default: |
| throw new IllegalArgumentException("unknown buffer type " + bType); |
| } |
| } |
| |
| public DigestManager getDigestManager(Digest digest) { |
| switch (digest) { |
| case CRC32: |
| return crc32; |
| case CRC32_C: |
| return crc32c; |
| case MAC: |
| return mac; |
| default: |
| throw new IllegalArgumentException("unknown digest " + digest); |
| } |
| } |
| } |
| |
| @Benchmark |
| @BenchmarkMode(Mode.Throughput) |
| @OutputTimeUnit(TimeUnit.MILLISECONDS) |
| @Warmup(iterations = 2, time = 3, timeUnit = TimeUnit.SECONDS) |
| @Measurement(iterations = 5, time = 12, timeUnit = TimeUnit.SECONDS) |
| @Threads(2) |
| @Fork(value = 1, warmups = 1) |
| public void digestManager(MyState state) { |
| final ByteBuf buff = state.getByteBuff(state.bufferType); |
| final DigestManager dm = state.getDigestManager(state.digest); |
| dm.update(buff); |
| state.digestBuf.clear(); |
| dm.populateValueAndReset(state.digestBuf); |
| } |
| |
| } |