public void Run(int entryCount)
{
var collectionCountBefore = GC.CollectionCount(0);
_stopwatch.Restart();
for (int i = 0; i < entryCount; i++)
{
var securityId = _random.Next(_prices.Length);
_prices[securityId] += 5 - _random.Next(10);
_marketDataUpdate.Last = _prices[securityId];
using (var acquire = _targetEngine.AcquireEvent())
{
acquire.Event.SetMarketData(securityId, _marketDataUpdate);
}
UpdateCount++;
Thread.SpinWait(1 + _random.Next(1 << 5));
}
_stopwatch.Stop();
Console.WriteLine($"Elapsed: {_stopwatch.Elapsed}");
var collectionCount = GC.CollectionCount(0) - collectionCountBefore;
Console.WriteLine($"CollectionCount: {collectionCount}");
}
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();
}