public class MemoryStreamPool
 {

  private static System.Collections.Concurrent.ConcurrentStack<JsonMemoryStream> mPool = new System.Collections.Concurrent.ConcurrentStack<JsonMemoryStream>();

  public static Stream Pop()
  {
   if (!mPool.TryPop(out JsonMemoryStream result))
   {
    result = new JsonMemoryStream(1024 * 32);
   }
   return result;
  }


  public class JsonMemoryStream : MemoryStream
  {
   public JsonMemoryStream(int size) : base(size) { }

   protected override void Dispose(bool disposing)
   {
    MemoryStreamPool.Push(this);
   }

  }

  private static void Push(JsonMemoryStream stream)
  {
   stream.Position = 0;
   stream.SetLength(0);
   mPool.Push(stream);
  }
 }

public class Bytes_JSON : BeetleX.Benchmark.BenchmarkBase
 {
  protected override void OnTest()
  {
   while (Increment())
   {
    var data = SpanJson.JsonSerializer.NonGeneric.Utf8.Serialize(DataHelper.Defalut.Employees[0]);
    var employees = SpanJson.JsonSerializer.Generic.Utf8.Deserialize<Employee>(data);
   }
  }
 }

 public class StreamPool_JSON : BeetleX.Benchmark.BenchmarkBase
 {
  protected override void OnTest()
  {
   RunTest();
  }

  private async void RunTest()
  {
   while (Increment())
   {
    using (Stream stream = MemoryStreamPool.Pop())
    {
     await SpanJson.JsonSerializer.NonGeneric.Utf8.SerializeAsync(DataHelper.Defalut.Employees[0], stream);
     stream.Position = 0;
     var employees = await SpanJson.JsonSerializer.Generic.Utf8.DeserializeAsync<Employee>(stream);
    }
   }
  }
 }


 public class Bytes_JSON_List : BeetleX.Benchmark.BenchmarkBase
 {
  protected override void OnTest()
  {
   while (Increment())
   {
    var data = SpanJson.JsonSerializer.NonGeneric.Utf8.Serialize(DataHelper.Defalut.Employees);
    var employees = SpanJson.JsonSerializer.Generic.Utf8.Deserialize<List<Employee(data);
   }
  }
 }

 public class StreamPool_JSON_List : BeetleX.Benchmark.BenchmarkBase
 {
  protected override void OnTest()
  {
   RunTest();
  }

  private async void RunTest()
  {
   while (Increment())
   {
    using (Stream stream = MemoryStreamPool.Pop())
    {
     await SpanJson.JsonSerializer.NonGeneric.Utf8.SerializeAsync(DataHelper.Defalut.Employees, stream);
     stream.Position = 0;
     var employees = await SpanJson.JsonSerializer.Generic.Utf8.DeserializeAsync<List<Employee(stream);
    }
   }
  }
 }