/// <summary>
/// Creates a new Stream
/// </summary>
/// <param name="flags">Parameters for stream creation (must be <see cref="CUStreamFlags.None"/>)</param>
public CudaStream(CUStreamFlags flags)
{
_stream = new CUstream();
res = DriverAPINativeMethods.Streams.cuStreamCreate(ref _stream, flags);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuStreamCreate", res));
if (res != CUResult.Success) throw new CudaException(res);
_isOwner = true;
}
/// <summary>
/// Creates a new Stream using <see cref="CUStreamFlags.None"/> and with the given priority<para/>
/// This API alters the scheduler priority of work in the stream. Work in a higher priority stream
/// may preempt work already executing in a low priority stream.<para/>
/// <c>priority</c> follows a convention where lower numbers represent higher priorities.<para/>
/// '0' represents default priority.
/// </summary>
/// <param name="priority">Stream priority. Lower numbers represent higher priorities.</param>
/// <param name="flags">Parameters for stream creation (must be <see cref="CUStreamFlags.None"/>)</param>
public CudaStream(int priority, CUStreamFlags flags)
{
_stream = new CUstream();
res = DriverAPINativeMethods.Streams.cuStreamCreateWithPriority(ref _stream, flags, priority);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuStreamCreateWithPriority", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
_isOwner = true;
}
/// <summary>
/// Query the flags of this stream.
/// </summary>
/// <returns>the stream's flags<para/>
/// The value returned in <c>flags</c> is a logical 'OR' of all flags that
/// were used while creating this stream.</returns>
public CUStreamFlags cuStreamGetFlags()
{
CUStreamFlags flags = 0;
CUResult res = DriverAPINativeMethods.Streams.cuStreamGetFlags(_stream, ref flags);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuStreamGetFlags", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
return(flags);
}
public static extern CUResult cuStreamGetFlags(CUstream hStream, ref CUStreamFlags flags);
public static extern CUResult cuStreamCreateWithPriority(ref CUstream phStream, CUStreamFlags flags, int priority);
public static extern CUResult cuStreamCreate( ref CUstream phStream, CUStreamFlags Flags );
