1 /* 2 * Copyright 2016 The gRPC Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package io.grpc; 18 19 import java.util.ArrayList; 20 import java.util.Collections; 21 import java.util.List; 22 import java.util.Random; 23 import java.util.concurrent.TimeUnit; 24 import org.openjdk.jmh.annotations.Benchmark; 25 import org.openjdk.jmh.annotations.BenchmarkMode; 26 import org.openjdk.jmh.annotations.Mode; 27 import org.openjdk.jmh.annotations.OutputTimeUnit; 28 import org.openjdk.jmh.annotations.Param; 29 import org.openjdk.jmh.annotations.Scope; 30 import org.openjdk.jmh.annotations.Setup; 31 import org.openjdk.jmh.annotations.State; 32 33 /** 34 * Call options benchmark. 35 */ 36 @State(Scope.Benchmark) 37 public class CallOptionsBenchmark { 38 39 @Param({"1", "2", "4", "8"}) 40 public int customOptionsCount; 41 42 private List<CallOptions.Key<String>> customOptions; 43 44 private CallOptions allOpts; 45 private List<CallOptions.Key<String>> shuffledCustomOptions; 46 47 /** 48 * Setup. 49 */ 50 @Setup setUp()51 public void setUp() throws Exception { 52 customOptions = new ArrayList<>(customOptionsCount); 53 for (int i = 0; i < customOptionsCount; i++) { 54 customOptions.add(CallOptions.Key.createWithDefault("name " + i, "defaultvalue")); 55 } 56 57 allOpts = CallOptions.DEFAULT; 58 for (int i = 0; i < customOptionsCount; i++) { 59 allOpts = allOpts.withOption(customOptions.get(i), "value"); 60 } 61 62 shuffledCustomOptions = new ArrayList<>(customOptions); 63 // Make the shuffling deterministic 64 Collections.shuffle(shuffledCustomOptions, new Random(1)); 65 } 66 67 /** 68 * Adding custom call options without duplicate keys. 69 */ 70 @Benchmark 71 @BenchmarkMode(Mode.SampleTime) 72 @OutputTimeUnit(TimeUnit.NANOSECONDS) withOption()73 public CallOptions withOption() { 74 CallOptions opts = CallOptions.DEFAULT; 75 for (int i = 0; i < customOptions.size(); i++) { 76 opts = opts.withOption(customOptions.get(i), "value"); 77 } 78 return opts; 79 } 80 81 /** 82 * Adding custom call options, overwritting existing keys. 83 */ 84 @Benchmark 85 @BenchmarkMode(Mode.SampleTime) 86 @OutputTimeUnit(TimeUnit.NANOSECONDS) withOptionDuplicates()87 public CallOptions withOptionDuplicates() { 88 CallOptions opts = allOpts; 89 for (int i = 1; i < shuffledCustomOptions.size(); i++) { 90 opts = opts.withOption(shuffledCustomOptions.get(i), "value2"); 91 } 92 return opts; 93 } 94 } 95