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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.Collections.Concurrent;
using System.Collections.Generic;
using System.Diagnostics;
using System.Threading.Tasks;
namespace Grpc.Core.Utils
{
/// <summary>
/// Utility methods to run microbenchmarks.
/// </summary>
public static class BenchmarkUtil
{
/// <summary>
/// Runs a simple benchmark preceded by warmup phase.
/// </summary>
public static void RunBenchmark(int warmupIterations, int benchmarkIterations, Action action)
{
var logger = GrpcEnvironment.Logger;
logger.Info("Warmup iterations: {0}", warmupIterations);
for (int i = 0; i < warmupIterations; i++)
{
action();
}
logger.Info("Benchmark iterations: {0}", benchmarkIterations);
var stopwatch = new Stopwatch();
stopwatch.Start();
for (int i = 0; i < benchmarkIterations; i++)
{
action();
}
stopwatch.Stop();
logger.Info("Elapsed time: {0}ms", stopwatch.ElapsedMilliseconds);
logger.Info("Ops per second: {0}", (int)((double)benchmarkIterations * 1000 / stopwatch.ElapsedMilliseconds));
}
}
}
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