public WorkerThread(IProfiler runner, ProfileRequest <TPayload> request)
{
m_runner = runner;
m_request = request;
m_thread = new Thread(new ParameterizedThreadStart(state => DoWork((ProfileRequest <TPayload>)state)))
{
Name = runner.Name
};
}
public IEnumerable <ProfileResult <TPayload> > Go <TPayload>(ProfileRequest <TPayload> request)
{
var payloads = request.Payloads;
var results = new List <ProfileResult <TPayload> >(payloads.Length);
Elapsed = TimeSpan.MinValue;
using (var scope = request.CreateRunnerScope())
{
var runner = scope.CreateRunner();
var overall = Stopwatch.StartNew();
Stopwatch stopwatch;
TPayload payload;
Exception error;
for (var sample = 0; sample < payloads.Length; sample++)
{
payload = payloads[sample];
stopwatch = Stopwatch.StartNew();
try
{
runner(payload);
error = null;
}
catch (Exception ex)
{
error = ex;
}
stopwatch.Stop();
var result = new ProfileResult <TPayload>()
{
Elapsed = stopwatch.Elapsed,
Error = error,
Payload = payload
};
results.Add(result);
}
overall.Stop();
Elapsed = overall.Elapsed;
}
return(results.AsReadOnly());
}
public static ProfileReport <T> Profile <T>(int threads,
Func <IRunnerScope <T> > runnerScopeFactory,
Func <IEnumerable <T> > payloadFactoryMethod,
int samplesCount)
{
// Arrange
var request = new ProfileRequest <T>(runnerScopeFactory)
{
Payloads = EnsureSamples(payloadFactoryMethod, samplesCount)
};
var profiler = new ProfilerPool(threads);
// Act
var results = profiler.Go(request);
// Assert
var report = new ProfileReport <T>(profiler.Elapsed, results);
return(report);
}
public IEnumerable <ProfileResult <TPayload> > Go <TPayload>(ProfileRequest <TPayload> request)
{
var results = new List <ProfileResult <TPayload> >(request.Payloads.Length * PoolSize);
var workerThreads = new WorkerThread <TPayload> [PoolSize];
var random = new Random(RandomHelper.Seed());
for (int i = 0; i < PoolSize; i++)
{
var runner = new Profiler(string.Format(CultureInfo.InvariantCulture, "{0}{1}", Name, i));
var workerRequest = new ProfileRequest <TPayload>(request.RunnerFactory)
{
Payloads = RandomHelper.Shuffle(random, request.Payloads).ToArray()
};
workerThreads[i] = new WorkerThread <TPayload>(runner, workerRequest);
}
Elapsed = TimeSpan.MinValue;
var overall = Stopwatch.StartNew();
EnumerableHelper.ForEach(workerThreads, t => t.Start());
EnumerableHelper.ForEach(workerThreads, t =>
{
if (t.Join(Timeout.Infinite))
{
lock (results)
{
results.AddRange(t.Results);
}
}
});
overall.Stop();
Elapsed = overall.Elapsed;
return(results.AsReadOnly());
}
private void DoWork(ProfileRequest <TPayload> request)
{
Results = m_runner.Go(request);
}