private void TestSubscriptionSynchronizerSpeed(QCAlgorithm algorithm)
{
var feed = new AlgorithmManagerTests.MockDataFeed();
var dataManager = new DataManager(feed, new UniverseSelection(feed, algorithm), algorithm.Settings, algorithm.TimeKeeper);
algorithm.SubscriptionManager.SetDataManager(dataManager);
algorithm.Initialize();
algorithm.PostInitialize();
// set exchanges to be always open
foreach (var kvp in algorithm.Securities)
{
var security = kvp.Value;
security.Exchange = new SecurityExchange(SecurityExchangeHours.AlwaysOpen(security.Exchange.TimeZone));
}
var endTimeUtc = algorithm.EndDate.ConvertToUtc(TimeZones.NewYork);
var startTimeUtc = algorithm.StartDate.ConvertToUtc(TimeZones.NewYork);
var subscriptionBasedTimeProvider = new SubscriptionFrontierTimeProvider(startTimeUtc, dataManager);
var synchronizer = new SubscriptionSynchronizer(dataManager.UniverseSelection, algorithm.TimeZone,
algorithm.Portfolio.CashBook,
subscriptionBasedTimeProvider);
var totalDataPoints = 0;
var subscriptions = dataManager.DataFeedSubscriptions;
foreach (var kvp in algorithm.Securities)
{
int dataPointCount;
subscriptions.TryAdd(CreateSubscription(algorithm, kvp.Value, startTimeUtc, endTimeUtc, out dataPointCount));
totalDataPoints += dataPointCount;
}
// force JIT
synchronizer.Sync(subscriptions);
// log what we're doing
Console.WriteLine($"Running {subscriptions.Count()} subscriptions with a total of {totalDataPoints} data points. Start: {algorithm.StartDate:yyyy-MM-dd} End: {algorithm.EndDate:yyyy-MM-dd}");
var count = 0;
DateTime currentTime = DateTime.MaxValue;
DateTime previousValue;
var stopwatch = Stopwatch.StartNew();
do
{
previousValue = currentTime;
var timeSlice = synchronizer.Sync(subscriptions);
currentTime = timeSlice.Time;
count += timeSlice.DataPointCount;
}while (currentTime != previousValue);
stopwatch.Stop();
var kps = count / 1000d / stopwatch.Elapsed.TotalSeconds;
Console.WriteLine($"Current Time: {currentTime:u} Elapsed time: {(int)stopwatch.Elapsed.TotalSeconds,4}s KPS: {kps,7:.00} COUNT: {count,10}");
Assert.GreaterOrEqual(count, 100); // this assert is for sanity purpose
}
private void TestSubscriptionSynchronizerSpeed(QCAlgorithm algorithm)
{
algorithm.Initialize();
// set exchanges to be always open
foreach (var kvp in algorithm.Securities)
{
var security = kvp.Value;
security.Exchange = new SecurityExchange(SecurityExchangeHours.AlwaysOpen(security.Exchange.TimeZone));
}
var endTimeUtc = algorithm.EndDate.ConvertToUtc(TimeZones.NewYork);
var startTimeUtc = algorithm.StartDate.ConvertToUtc(TimeZones.NewYork);
var feed = new AlgorithmManagerTests.MockDataFeed();
var universeSelection = new UniverseSelection(feed, algorithm);
var synchronizer = new SubscriptionSynchronizer(universeSelection, algorithm.TimeZone, algorithm.Portfolio.CashBook, startTimeUtc);
var totalDataPoints = 0;
var subscriptions = new List <Subscription>();
foreach (var kvp in algorithm.Securities)
{
int dataPointCount;
subscriptions.Add(CreateSubscription(algorithm, kvp.Value, startTimeUtc, endTimeUtc, out dataPointCount));
totalDataPoints += dataPointCount;
}
// force JIT
synchronizer.Sync(subscriptions);
// log what we're doing
Console.WriteLine($"Running {subscriptions.Count} subscriptions with a total of {totalDataPoints} data points. Start: {algorithm.StartDate:yyyy-MM-dd} End: {algorithm.EndDate:yyyy-MM-dd}");
var count = 0;
DateTime currentTime;
var dateTimeMaxValue = DateTime.MaxValue;
var stopwatch = Stopwatch.StartNew();
do
{
var timeSlice = synchronizer.Sync(subscriptions);
currentTime = timeSlice.Time;
count += timeSlice.DataPointCount;
}while (currentTime != dateTimeMaxValue);
stopwatch.Stop();
var kps = count / 1000d / stopwatch.Elapsed.TotalSeconds;
Console.WriteLine($"Current Time: {currentTime:u} Elapsed time: {(int)stopwatch.Elapsed.TotalSeconds,4}s KPS: {kps,7:.00} COUNT: {count,10}");
}
private void TestSubscriptionSynchronizerSpeed(QCAlgorithm algorithm)
{
algorithm.Initialize();
// set exchanges to be always open
foreach (var kvp in algorithm.Securities)
{
var security = kvp.Value;
security.Exchange = new SecurityExchange(SecurityExchangeHours.AlwaysOpen(security.Exchange.TimeZone));
}
var endTimeUtc = algorithm.EndDate.ConvertToUtc(TimeZones.NewYork);
var startTimeUtc = algorithm.StartDate.ConvertToUtc(TimeZones.NewYork);
var feed = new AlgorithmManagerTests.MockDataFeed();
var universeSelection = new UniverseSelection(feed, algorithm);
var synchronizer = new SubscriptionSynchronizer(universeSelection, algorithm.TimeZone, algorithm.Portfolio.CashBook, startTimeUtc);
var subscriptions = new List <Subscription>();
foreach (var kvp in algorithm.Securities)
{
subscriptions.Add(CreateSubscription(algorithm, kvp.Value, startTimeUtc, endTimeUtc));
}
var count = 0;
double kps = 0;
var currentTime = default(DateTime);
var stopwatch = new Stopwatch();
var timer = new Timer(_ =>
{
kps = count / 1000d / stopwatch.Elapsed.TotalSeconds;
Console.WriteLine($"Current Time: {currentTime:u} Elapsed time: {(int)stopwatch.Elapsed.TotalSeconds,4}s KPS: {kps,7:.00} COUNT: {count,10}");
});
timer.Change(TimeSpan.FromSeconds(10), TimeSpan.FromSeconds(10));
stopwatch.Start();
do
{
var timeSlice = synchronizer.Sync(subscriptions);
currentTime = timeSlice.Time;
count += timeSlice.DataPointCount;
}while (currentTime < endTimeUtc);
stopwatch.Stop();
timer.Dispose();
kps = count / 1000d / stopwatch.Elapsed.TotalSeconds;
Console.WriteLine($"Current Time: {currentTime:u} Elapsed time: {(int)stopwatch.Elapsed.TotalSeconds,4}s KPS: {kps,7:.00} COUNT: {count,10}");
}