/// <summary>
/// Sets the parameters for an external semaphore wait node in the given graphExec<para/>
/// Sets the parameters of an external semaphore wait node in an executable graph \p hGraphExec.<para/>
/// The node is identified by the corresponding node \p hNode in the
/// non-executable graph, from which the executable graph was instantiated.<para/>
/// hNode must not have been removed from the original graph.<para/>
/// The modifications only affect future launches of \p hGraphExec. Already
/// enqueued or running launches of \p hGraphExec are not affected by this call.
/// hNode is also not modified by this call.<para/>
/// Changing \p nodeParams->numExtSems is not supported.
/// </summary>
public void SetParams(CUgraphNode hNode, CudaExtSemWaitNodeParams nodeParams)
{
res = DriverAPINativeMethods.GraphManagment.cuGraphExecExternalSemaphoresWaitNodeSetParams(_graph, hNode, nodeParams);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuGraphExecExternalSemaphoresWaitNodeSetParams", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
}
/// <summary>
/// Creates an external semaphore wait node and adds it to a graph<para/>
/// Creates a new external semaphore wait node and adds it to \p hGraph with \p numDependencies
/// dependencies specified via \p dependencies and arguments specified in \p nodeParams.
/// It is possible for \p numDependencies to be 0, in which case the node will be placed
/// at the root of the graph. \p dependencies may not have any duplicate entries. A handle
/// to the new node will be returned in \p phGraphNode.
/// </summary>
/// <param name="dependencies">Dependencies of the node</param>
/// <param name="nodeParams">Parameters for the node</param>
/// <returns>Returns newly created node</returns>
public CUgraphNode AddExternalSemaphoresWaitNode(CUgraphNode[] dependencies, CudaExtSemWaitNodeParams nodeParams)
{
CUgraphNode node = new CUgraphNode();
SizeT numDependencies = 0;
if (dependencies != null)
{
numDependencies = dependencies.Length;
}
res = DriverAPINativeMethods.GraphManagment.cuGraphAddExternalSemaphoresWaitNode(ref node, _graph, dependencies, numDependencies, nodeParams);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "cuGraphAddExternalSemaphoresWaitNode", res));
if (res != CUResult.Success)
{
throw new CudaException(res);
}
return(node);
}
