private static void MeasureLatency(int blockCount)
{
var entrySize = blockCount * XEvent.BlockSize;
var engine = new XEngine(entrySize);
engine.Start();
var beginIndex = 0;
byte sequence = 0;
for (var i = 0; i < 10 * 1000 * 1000; i++)
{
var endIndex = beginIndex + XEvent.BlockSize - 1;
using (var acquireScope = engine.AcquireEvent())
{
var evt = acquireScope.Event;
for (var dataIndex = beginIndex; dataIndex <= endIndex; dataIndex++)
{
evt.Data[dataIndex] = sequence++;
}
evt.BeginOffset = beginIndex;
evt.EndOffset = endIndex;
evt.Timestamp = Stopwatch.GetTimestamp();
}
beginIndex = (beginIndex + XEvent.BlockSize) % entrySize;
}
engine.Stop();
engine.Dispose();
}
public static void MeasureEnqueue()
{
var engine = new XEngine();
engine.Start();
var stopwatch = new Stopwatch();
for (int i = 0; i < 2; i++)
{
stopwatch.Restart();
PublishTradingSignalV1(engine);
stopwatch.Stop();
var v1 = stopwatch.Elapsed;
Console.WriteLine($"V1: {v1}");
Thread.Sleep(200);
stopwatch.Restart();
PublishTradingSignalV2(engine);
stopwatch.Stop();
var v2 = stopwatch.Elapsed;
Console.WriteLine($"V2: {v2}");
Console.WriteLine($"Delta: {(v2.Ticks - v1.Ticks) / (double)v1.Ticks:P2}");
Thread.Sleep(200);
}
engine.Stop();
}
public static void PublisherMarketDataUpdates()
{
var engine = new XEngine();
engine.Start();
var publisher = new MarketDataPublisher2(engine, securityCount: 50);
publisher.Run(1_000_000);
Console.WriteLine($"Generated UpdateCount: {publisher.UpdateCount}");
engine.Stop();
}
