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#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 System.Threading;
using Grpc.Core;
using Grpc.Core.Internal;
using System.Collections.Generic;
using System.Diagnostics;
namespace Grpc.Microbenchmarks
{
public class CompletionRegistryBenchmark
{
GrpcEnvironment environment;
public void Init()
{
environment = GrpcEnvironment.AddRef();
}
public void Cleanup()
{
GrpcEnvironment.ReleaseAsync().Wait();
}
public void Run(int threadCount, int iterations, bool useSharedRegistry)
{
Console.WriteLine(string.Format("CompletionRegistryBenchmark: threads={0}, iterations={1}, useSharedRegistry={2}", threadCount, iterations, useSharedRegistry));
CompletionRegistry sharedRegistry = useSharedRegistry ? new CompletionRegistry(environment, () => BatchContextSafeHandle.Create()) : null;
var threadedBenchmark = new ThreadedBenchmark(threadCount, () => ThreadBody(iterations, sharedRegistry));
threadedBenchmark.Run();
// TODO: parametrize by number of pending completions
}
private void ThreadBody(int iterations, CompletionRegistry optionalSharedRegistry)
{
var completionRegistry = optionalSharedRegistry ?? new CompletionRegistry(environment, () => BatchContextSafeHandle.Create());
var ctx = BatchContextSafeHandle.Create();
var stopwatch = Stopwatch.StartNew();
for (int i = 0; i < iterations; i++)
{
completionRegistry.Register(ctx.Handle, ctx);
var callback = completionRegistry.Extract(ctx.Handle);
// NOTE: we are not calling the callback to avoid disposing ctx.
}
stopwatch.Stop();
Console.WriteLine("Elapsed millis: " + stopwatch.ElapsedMilliseconds);
ctx.Recycle();
}
private class NopCompletionCallback : IOpCompletionCallback
{
public void OnComplete(bool success)
{
}
}
}
}
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