public static void cuEventRecord(CUevent hEvent, CUstream hStream)
{
Wrap(() =>
{
try
{
var error = nativeEventRecord(hEvent, hStream);
if (error != CUresult.CUDA_SUCCESS) throw new CudaException(error);
}
catch (CudaException)
{
throw;
}
catch (DllNotFoundException dnfe)
{
throw new CudaException(CudaError.NoDriver, dnfe);
}
catch (Exception e)
{
throw new CudaException(CudaError.Unknown, e);
}
});
}
public bool Equals(CUevent other) { return other.Handle.Equals(Handle); }
//http://developer.download.nvidia.com/compute/cuda/3_1/toolkit/docs/online/group__CUEVENT_g93468fbdae4190b79926381a90a94301.html private static extern CUresult nativeEventRecord(CUevent hEvent, CUstream hStream);
public static ElapsedTime cuEventElapsedTime(CUevent hStart, CUevent hEnd)
{
return Wrap(() =>
{
try
{
float milliseconds;
var error = nativeEventElapsedTime(out milliseconds, hStart, hEnd);
if (error != CUresult.CUDA_SUCCESS) throw new CudaException(error);
// note. cannot use TimeSpan here because it ain't work with fractions of milliseconds
return new ElapsedTime(milliseconds);
}
catch (CudaException)
{
throw;
}
catch (DllNotFoundException dnfe)
{
throw new CudaException(CudaError.NoDriver, dnfe);
}
catch (Exception e)
{
throw new CudaException(CudaError.Unknown, e);
}
});
}
// http://developer.download.nvidia.com/compute/cuda/3_1/toolkit/docs/online/group__CUEVENT_g349006734f6e7378ea36cb57c239d4c7.html private static extern CUresult nativeEventDestroy(CUevent hEvent);
// http://developer.download.nvidia.com/compute/cuda/3_1/toolkit/docs/online/group__CUEVENT_g7895332c94680b174ef41373af09d9ce.html private static extern CUresult nativeEventElapsedTime(out float pMilliseconds, CUevent hStart, CUevent hEnd);
// http://developer.download.nvidia.com/compute/cuda/3_1/toolkit/docs/online/group__CUEVENT_g433317083f929b9298f8a88d57aa5017.html private static extern CUresult nativeEventCreate(out CUevent phEvent, CUevent_flags Flags);
// http://developer.download.nvidia.com/compute/cuda/3_1/toolkit/docs/online/group__CUEVENT_ge3ed6a308c602d139373895cb99cb7ab.html private static extern CUresult nativeEventSynchronize(CUevent hEvent);
public static void cuEventRecord(CUevent hEvent)
{
cuEventRecord(hEvent, CUstream.Null);
}
public bool Equals(CUevent other)
{
return(other.Handle.Equals(Handle));
}
