| /* |
| * 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.geode.internal; |
| |
| import java.io.IOException; |
| import java.util.Arrays; |
| import java.util.concurrent.TimeUnit; |
| |
| 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.Scope; |
| import org.openjdk.jmh.annotations.Setup; |
| import org.openjdk.jmh.annotations.State; |
| import org.openjdk.jmh.annotations.Warmup; |
| |
| import org.apache.geode.DataSerializer; |
| import org.apache.geode.internal.serialization.ByteArrayDataInput; |
| import org.apache.geode.internal.serialization.DSCODE; |
| import org.apache.geode.internal.serialization.Version; |
| |
| |
| /** |
| * Test throughput of InternalDataSerializer.readString |
| */ |
| |
| @State(Scope.Thread) |
| @Fork(1) |
| public class InternalDataSerializerBenchmark { |
| |
| private final ByteArrayDataInput dataInput = new ByteArrayDataInput(); |
| private byte[] serializedBytes; |
| |
| @Setup(Level.Trial) |
| public void setup() throws IOException { |
| HeapDataOutputStream hdos = new HeapDataOutputStream(Version.CURRENT); |
| DataSerializer.writeString("12345678901234567890123456789012345", hdos); |
| byte[] bytes = hdos.toByteArray(); |
| if (bytes[0] != DSCODE.STRING_BYTES.toByte()) { |
| throw new IllegalStateException( |
| "expected first byte to be " + DSCODE.STRING_BYTES.toByte() + " but it was " + bytes[0]); |
| } |
| serializedBytes = Arrays.copyOfRange(bytes, 1, bytes.length); |
| } |
| |
| @Benchmark |
| @Measurement(iterations = 10) |
| @Warmup(iterations = 3) |
| @BenchmarkMode(Mode.Throughput) |
| @OutputTimeUnit(TimeUnit.MILLISECONDS) |
| public String readStringBenchmark() throws IOException { |
| dataInput.initialize(serializedBytes, Version.CURRENT); |
| String result = InternalDataSerializer.readString(dataInput, DSCODE.STRING_BYTES.toByte()); |
| return result; |
| } |
| |
| } |