mirror of https://github.com/grpc/grpc.git
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#region Copyright notice and license |
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|
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// Copyright 2015, Google Inc. |
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// All rights reserved. |
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// |
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// Redistribution and use in source and binary forms, with or without |
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// modification, are permitted provided that the following conditions are |
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// met: |
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// |
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// * Redistributions of source code must retain the above copyright |
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// notice, this list of conditions and the following disclaimer. |
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// * Redistributions in binary form must reproduce the above |
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// copyright notice, this list of conditions and the following disclaimer |
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// in the documentation and/or other materials provided with the |
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// distribution. |
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// * Neither the name of Google Inc. nor the names of its |
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// contributors may be used to endorse or promote products derived from |
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// this software without specific prior written permission. |
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// |
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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|
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#endregion |
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|
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using System; |
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using System.Diagnostics; |
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using System.Threading; |
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using System.Threading.Tasks; |
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using Grpc.Core; |
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using Grpc.Core.Internal; |
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using Grpc.Core.Utils; |
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using NUnit.Framework; |
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using System.Runtime.InteropServices; |
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|
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namespace Grpc.Core.Tests |
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{ |
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public class PInvokeTest |
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{ |
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int counter; |
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[DllImport("grpc_csharp_ext.dll")] |
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static extern GRPCCallError grpcsharp_test_callback([MarshalAs(UnmanagedType.FunctionPtr)] CompletionCallbackDelegate callback); |
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[DllImport("grpc_csharp_ext.dll")] |
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static extern IntPtr grpcsharp_test_nop(IntPtr ptr); |
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[TestFixtureSetUp] |
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public void Init() |
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{ |
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GrpcEnvironment.Initialize(); |
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} |
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|
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[TestFixtureTearDown] |
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public void Cleanup() |
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{ |
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GrpcEnvironment.Shutdown(); |
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} |
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|
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[Test] |
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public void CompletionQueueCreateDestroyBenchmark() |
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{ |
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BenchmarkUtil.RunBenchmark( |
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100000, 1000000, |
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() => { |
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CompletionQueueSafeHandle cq = CompletionQueueSafeHandle.Create(); |
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cq.Dispose(); |
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} |
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); |
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} |
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|
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|
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/// <summary> |
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/// Approximate results: |
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/// (mono ~80ns) |
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/// </summary> |
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[Test] |
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public void NativeCallbackBenchmark() |
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{ |
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CompletionCallbackDelegate handler = Handler; |
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counter = 0; |
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BenchmarkUtil.RunBenchmark( |
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1000000, 10000000, |
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() => { |
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grpcsharp_test_callback(handler); |
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} |
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); |
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Assert.AreNotEqual(0, counter); |
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} |
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|
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/// <summary> |
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/// Creating a new native-to-managed callback has significant overhead |
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/// compared to using an existing one. We need to be aware of this. |
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/// (~50us on mono) |
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/// </summary> |
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[Test] |
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public void NewNativeCallbackBenchmark() |
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{ |
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counter = 0; |
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BenchmarkUtil.RunBenchmark( |
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10000, 10000, |
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() => { |
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grpcsharp_test_callback(new CompletionCallbackDelegate(Handler)); |
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} |
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); |
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Assert.AreNotEqual(0, counter); |
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} |
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|
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/// <summary> |
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/// Tests overhead of a simple PInvoke call. |
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/// </summary> |
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[Test] |
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public void NopPInvokeBenchmark() |
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{ |
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CompletionCallbackDelegate handler = Handler; |
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BenchmarkUtil.RunBenchmark( |
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1000000, 100000000, |
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() => { |
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grpcsharp_test_nop(IntPtr.Zero); |
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} |
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); |
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} |
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|
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private void Handler(GRPCOpError op, IntPtr ptr) { |
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counter ++; |
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} |
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} |
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} |
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@ -0,0 +1,68 @@ |
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#region Copyright notice and license |
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|
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// Copyright 2015, Google Inc. |
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// All rights reserved. |
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// |
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// Redistribution and use in source and binary forms, with or without |
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// modification, are permitted provided that the following conditions are |
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// met: |
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// |
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// * Redistributions of source code must retain the above copyright |
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// notice, this list of conditions and the following disclaimer. |
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// * Redistributions in binary form must reproduce the above |
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// copyright notice, this list of conditions and the following disclaimer |
||||
// in the documentation and/or other materials provided with the |
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// distribution. |
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// * Neither the name of Google Inc. nor the names of its |
||||
// contributors may be used to endorse or promote products derived from |
||||
// this software without specific prior written permission. |
||||
// |
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
||||
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
||||
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
||||
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
||||
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
||||
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||||
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||||
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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|
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#endregion |
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using System; |
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using System.Threading.Tasks; |
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using System.Collections.Generic; |
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using System.Collections.Concurrent; |
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using System.Diagnostics; |
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namespace Grpc.Core.Utils |
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{ |
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public static class BenchmarkUtil |
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{ |
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/// <summary> |
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/// Runs a simple benchmark preceded by warmup phase. |
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/// </summary> |
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public static void RunBenchmark(int warmupIterations, int benchmarkIterations, Action action) |
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{ |
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Console.WriteLine("Warmup iterations: " + warmupIterations); |
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for (int i = 0; i < warmupIterations; i++) |
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{ |
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action(); |
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} |
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Console.WriteLine("Benchmark iterations: " + benchmarkIterations); |
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var stopwatch = new Stopwatch(); |
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stopwatch.Start(); |
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for (int i = 0; i < benchmarkIterations; i++) |
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{ |
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action(); |
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} |
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stopwatch.Stop(); |
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Console.WriteLine("Elapsed time: " + stopwatch.ElapsedMilliseconds + "ms"); |
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Console.WriteLine("Ops per second: " + (int) ((double) benchmarkIterations * 1000 / stopwatch.ElapsedMilliseconds)); |
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} |
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} |
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} |
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