private async Task PerfTest()
{
const int OuterLoopCount = 100;
const int InnerLoopCount = 10000;
const int MessageSize = 1024;
var sw = new Stopwatch();
for (int i = 0; i < OuterLoopCount; i++)
{
using (var content = ExactSizeMemoryPool.Shared.Rent(MessageSize))
{
content.Memory.Span.Fill((byte)DataLinkMessageType.Disconnect);
BitConverter.TryWriteBytes(content.Memory.Span, i);
sw.Restart();
for (int j = 0; j < InnerLoopCount; j++)
{
_ = _dlc.Broadcast(PerfChannel, content.Memory);
}
}
using (var signal = ExactSizeMemoryPool.Shared.Rent(4))
{
BitConverter.TryWriteBytes(signal.Memory.Span, i);
var task = _dlc.BroadcastWithAckAsync(PerfChannel, signal.Memory);
if (await Task.WhenAny(task, Task.Delay(TimeSpan.FromSeconds(10))) != task)
{
Console.WriteLine("Perf timeout ...");
}
}
sw.Stop();
Console.WriteLine($"Perf {i + 1}0000 message sent in {sw.ElapsedMilliseconds} ms.");
}
}
public static async Task <bool> BroadcastWithAckAsync(this DataLinkCollection dlc, string group, string content)
{
var length = Encoding.UTF8.GetByteCount(content);
using (var owner = ExactSizeMemoryPool.Shared.Rent(length))
{
Encoding.UTF8.GetBytes(content, owner.Memory.Span);
return(await dlc.BroadcastWithAckAsync(group, owner.Memory));
}
}
