1 #region Copyright notice and license 2 3 // Copyright 2015 gRPC authors. 4 // 5 // Licensed under the Apache License, Version 2.0 (the "License"); 6 // you may not use this file except in compliance with the License. 7 // You may obtain a copy of the License at 8 // 9 // http://www.apache.org/licenses/LICENSE-2.0 10 // 11 // Unless required by applicable law or agreed to in writing, software 12 // distributed under the License is distributed on an "AS IS" BASIS, 13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 // See the License for the specific language governing permissions and 15 // limitations under the License. 16 17 #endregion 18 19 using System; 20 using System.Collections.Concurrent; 21 using System.Collections.Generic; 22 using System.Diagnostics; 23 using System.Threading.Tasks; 24 25 namespace Grpc.Core.Utils 26 { 27 /// <summary> 28 /// Utility methods to run microbenchmarks. 29 /// </summary> 30 public static class BenchmarkUtil 31 { 32 /// <summary> 33 /// Runs a simple benchmark preceded by warmup phase. 34 /// </summary> RunBenchmark(int warmupIterations, int benchmarkIterations, Action action)35 public static void RunBenchmark(int warmupIterations, int benchmarkIterations, Action action) 36 { 37 var logger = GrpcEnvironment.Logger; 38 39 logger.Info("Warmup iterations: {0}", warmupIterations); 40 for (int i = 0; i < warmupIterations; i++) 41 { 42 action(); 43 } 44 45 logger.Info("Benchmark iterations: {0}", benchmarkIterations); 46 var stopwatch = new Stopwatch(); 47 stopwatch.Start(); 48 for (int i = 0; i < benchmarkIterations; i++) 49 { 50 action(); 51 } 52 stopwatch.Stop(); 53 logger.Info("Elapsed time: {0}ms", stopwatch.ElapsedMilliseconds); 54 logger.Info("Ops per second: {0}", (int)((double)benchmarkIterations * 1000 / stopwatch.ElapsedMilliseconds)); 55 } 56 } 57 } 58