| #region Copyright notice and license |
| |
| // Copyright 2015 gRPC authors. |
| // |
| // Licensed 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. |
| |
| #endregion |
| |
| using System; |
| using System.Runtime.InteropServices; |
| using BenchmarkDotNet.Attributes; |
| using Grpc.Core.Internal; |
| |
| namespace Grpc.Microbenchmarks |
| { |
| public class AtomicCounterBenchmark : CommonThreadedBase |
| { |
| protected override bool NeedsEnvironment => false; |
| |
| // An example of testing scalability of a method that scales perfectly. |
| // This method provides a baseline for how well can CommonThreadedBase |
| // measure scalability. |
| const int Iterations = 20 * 1000 * 1000; // High number to make the overhead of RunConcurrent negligible. |
| [Benchmark(OperationsPerInvoke = Iterations)] |
| |
| public void SharedAtomicCounterIncrement() |
| { |
| RunConcurrent(() => { RunBody(); }); |
| } |
| |
| readonly AtomicCounter sharedCounter = new AtomicCounter(); |
| |
| private int RunBody() |
| { |
| for (int i = 0; i < Iterations; i++) |
| { |
| sharedCounter.Increment(); |
| } |
| return (int) sharedCounter.Count; |
| } |
| } |
| } |