/// <summary>
 /// </summary>
 public AlgorithmPerformances(int count)
 {
     _perfs = new cudnnAlgorithmPerformance[count];
     res    = CudaDNNNativeMethods.cudnnCreateAlgorithmPerformance(_perfs, count);
     Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cudnnCreateAlgorithmPerformance", res));
     if (res != cudnnStatus.Success)
     {
         throw new CudaDNNException(res);
     }
 }