Hockney-based collective operations

Functions
int	Hockney_initialize (MPI_Comm comm, Hockney_model *model)
int	Hockney_finalize (MPI_Comm comm)
int	Hockney_Scatterv_sorted_flat_asc (void *sendbuf, int *sendcounts, int *displs, MPI_Datatype sendtype, void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Gatherv_sorted_flat_asc (void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int *recvcounts, int *displs, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Scatterv_sorted_flat_dsc (void *sendbuf, int *sendcounts, int *displs, MPI_Datatype sendtype, void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Gatherv_sorted_flat_dsc (void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int *recvcounts, int *displs, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Bcast_dfs_binomial_min (void *buffer, int count, MPI_Datatype datatype, int root, MPI_Comm comm)
int	Hockney_Reduce_dfs_binomial_min (void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, int root, MPI_Comm comm)
int	Hockney_Bcast_dfs_binomial_max (void *buffer, int count, MPI_Datatype datatype, int root, MPI_Comm comm)
int	Hockney_Reduce_bfs_binomial_min (void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, int root, MPI_Comm comm)
int	Hockney_Reduce_bfs_binomial_max (void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, int root, MPI_Comm comm)
int	Hockney_Bcast_bfs_binomial_min (void *buffer, int count, MPI_Datatype datatype, int root, MPI_Comm comm)
int	Hockney_Bcast_bfs_binomial_max (void *buffer, int count, MPI_Datatype datatype, int root, MPI_Comm comm)
int	Hockney_Reduce_dfs_binomial_max (void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, int root, MPI_Comm comm)
int	Hockney_Bcast_ucs_binomial_min (void *buffer, int count, MPI_Datatype datatype, int root, MPI_Comm comm)
int	Hockney_Reduce_ucs_binomial_min (void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, int root, MPI_Comm comm)
int	Hockney_Bcast_ucs_binomial_max (void *buffer, int count, MPI_Datatype datatype, int root, MPI_Comm comm)
int	Hockney_Reduce_ucs_binomial_max (void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, int root, MPI_Comm comm)
int	Hockney_Scatter_dfs_binomial_min (void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Gather_dfs_binomial_min (void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Scatter_dfs_binomial_max (void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Gather_dfs_binomial_max (void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Scatter_ucs_binomial_min (void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Gather_ucs_binomial_min (void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Scatter_ucs_binomial_max (void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Gather_ucs_binomial_max (void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Scatter_bfs_binomial_min (void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Gather_bfs_binomial_min (void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Scatter_bfs_binomial_max (void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Gather_bfs_binomial_max (void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Scatterv_dfs_binomial_min (void *sendbuf, int *sendcounts, int *displs, MPI_Datatype sendtype, void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Gatherv_dfs_binomial_min (void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int *recvcounts, int *displs, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Scatterv_dfs_binomial_max (void *sendbuf, int *sendcounts, int *displs, MPI_Datatype sendtype, void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Gatherv_dfs_binomial_max (void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int *recvcounts, int *displs, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Scatterv_bfs_binomial_min (void *sendbuf, int *sendcounts, int *displs, MPI_Datatype sendtype, void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Gatherv_bfs_binomial_min (void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int *recvcounts, int *displs, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Scatterv_bfs_binomial_max (void *sendbuf, int *sendcounts, int *displs, MPI_Datatype sendtype, void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Gatherv_bfs_binomial_max (void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int *recvcounts, int *displs, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Scatterv_ucs_binomial_min (void *sendbuf, int *sendcounts, int *displs, MPI_Datatype sendtype, void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Gatherv_ucs_binomial_min (void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int *recvcounts, int *displs, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Scatterv_ucs_binomial_max (void *sendbuf, int *sendcounts, int *displs, MPI_Datatype sendtype, void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Gatherv_ucs_binomial_max (void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int *recvcounts, int *displs, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Scatterv_Traff (void *sendbuf, int *sendcounts, int *displs, MPI_Datatype sendtype, void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
int	Hockney_Gatherv_Traff (void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int *recvcounts, int *displs, MPI_Datatype recvtype, int root, MPI_Comm comm)

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Detailed Description

The implementations of tree-based algorithms are similar to .

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Function Documentation

int Hockney_initialize	(	MPI_Comm	comm,
		Hockney_model *	model
	)

Initializes the instances of the Hockney model at all processes in the communicatior.

Parameters:

	comm	MPI communicator
	model	Hockney model (significant only at root)

int Hockney_finalize

(

MPI_Comm

comm

)

Destroys the instances of the Hockney model at all processes in the communicatior.

int Hockney_Scatterv_sorted_flat_asc	(	void *	sendbuf,
		int *	sendcounts,
		int *	displs,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int	recvcount,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

Sorted flat-tree scatterv based on the Hockney model.

int Hockney_Gatherv_sorted_flat_asc	(	void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int *	recvcounts,
		int *	displs,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

Sorted flat-tree gatherv based on the Hockney model.

int Hockney_Scatterv_sorted_flat_dsc	(	void *	sendbuf,
		int *	sendcounts,
		int *	displs,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int	recvcount,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

Sorted flat-tree scatterv based on the Hockney model.

int Hockney_Gatherv_sorted_flat_dsc	(	void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int *	recvcounts,
		int *	displs,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

Sorted flat-tree gatherv based on the Hockney model.

int Hockney_Bcast_dfs_binomial_min	(	void *	buffer,
		int	count,
		MPI_Datatype	datatype,
		int	root,
		MPI_Comm	comm
	)

DFS binomial bcast based on the Hockney model.

int Hockney_Reduce_dfs_binomial_min	(	void *	sendbuf,
		void *	recvbuf,
		int	count,
		MPI_Datatype	datatype,
		MPI_Op	op,
		int	root,
		MPI_Comm	comm
	)

DFS binomial reduce based on the Hockney model.

int Hockney_Bcast_dfs_binomial_max	(	void *	buffer,
		int	count,
		MPI_Datatype	datatype,
		int	root,
		MPI_Comm	comm
	)

DFS binomial bcast based on the Hockney model.

int Hockney_Reduce_bfs_binomial_min	(	void *	sendbuf,
		void *	recvbuf,
		int	count,
		MPI_Datatype	datatype,
		MPI_Op	op,
		int	root,
		MPI_Comm	comm
	)

BFS binomial reduce based on the Hockney model.

int Hockney_Reduce_bfs_binomial_max	(	void *	sendbuf,
		void *	recvbuf,
		int	count,
		MPI_Datatype	datatype,
		MPI_Op	op,
		int	root,
		MPI_Comm	comm
	)

BFS binomial reduce based on the Hockney model.

int Hockney_Bcast_bfs_binomial_min	(	void *	buffer,
		int	count,
		MPI_Datatype	datatype,
		int	root,
		MPI_Comm	comm
	)

BFS binomial bcast based on the Hockney model.

int Hockney_Bcast_bfs_binomial_max	(	void *	buffer,
		int	count,
		MPI_Datatype	datatype,
		int	root,
		MPI_Comm	comm
	)

BFS binomial bcast based on the Hockney model.

int Hockney_Reduce_dfs_binomial_max	(	void *	sendbuf,
		void *	recvbuf,
		int	count,
		MPI_Datatype	datatype,
		MPI_Op	op,
		int	root,
		MPI_Comm	comm
	)

DFS binomial reduce based on the Hockney model.

int Hockney_Bcast_ucs_binomial_min	(	void *	buffer,
		int	count,
		MPI_Datatype	datatype,
		int	root,
		MPI_Comm	comm
	)

UCS binomial bcast based on the Hockney model.

int Hockney_Reduce_ucs_binomial_min	(	void *	sendbuf,
		void *	recvbuf,
		int	count,
		MPI_Datatype	datatype,
		MPI_Op	op,
		int	root,
		MPI_Comm	comm
	)

UCS binomial reduce based on the Hockney model.

int Hockney_Bcast_ucs_binomial_max	(	void *	buffer,
		int	count,
		MPI_Datatype	datatype,
		int	root,
		MPI_Comm	comm
	)

UCS binomial bcast based on the Hockney model.

int Hockney_Reduce_ucs_binomial_max	(	void *	sendbuf,
		void *	recvbuf,
		int	count,
		MPI_Datatype	datatype,
		MPI_Op	op,
		int	root,
		MPI_Comm	comm
	)

UCS binomial reduce based on the Hockney model.

int Hockney_Scatter_dfs_binomial_min	(	void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int	recvcount,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

DFS binomial scatter based on the Hockney model.

int Hockney_Gather_dfs_binomial_min	(	void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int	recvcount,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

DFS binomial gather based on the Hockney model.

int Hockney_Scatter_dfs_binomial_max	(	void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int	recvcount,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

DFS binomial scatter based on the Hockney model.

int Hockney_Gather_dfs_binomial_max	(	void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int	recvcount,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

DFS binomial gather based on the Hockney model.

int Hockney_Scatter_ucs_binomial_min	(	void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int	recvcount,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

UCS binomial scatter based on the Hockney model.

int Hockney_Gather_ucs_binomial_min	(	void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int	recvcount,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

UCS binomial gather based on the Hockney model.

int Hockney_Scatter_ucs_binomial_max	(	void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int	recvcount,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

UCS binomial scatter based on the Hockney model.

int Hockney_Gather_ucs_binomial_max	(	void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int	recvcount,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

UCS binomial gather based on the Hockney model.

int Hockney_Scatter_bfs_binomial_min	(	void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int	recvcount,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

BFS binomial scatter based on the Hockney model.

int Hockney_Gather_bfs_binomial_min	(	void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int	recvcount,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

BFS binomial gather based on the Hockney model.

int Hockney_Scatter_bfs_binomial_max	(	void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int	recvcount,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

BFS binomial scatter based on the Hockney model.

int Hockney_Gather_bfs_binomial_max	(	void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int	recvcount,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

BFS binomial gather based on the Hockney model.

int Hockney_Scatterv_dfs_binomial_min	(	void *	sendbuf,
		int *	sendcounts,
		int *	displs,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int	recvcount,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

DFS binomial scatterv based on the Hockney model.

int Hockney_Gatherv_dfs_binomial_min	(	void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int *	recvcounts,
		int *	displs,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

DFS binomial gatherv based on the Hockney model.

int Hockney_Scatterv_dfs_binomial_max	(	void *	sendbuf,
		int *	sendcounts,
		int *	displs,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int	recvcount,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

DFS binomial scatterv based on the Hockney model.

int Hockney_Gatherv_dfs_binomial_max	(	void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int *	recvcounts,
		int *	displs,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

DFS binomial gatherv based on the Hockney model.

int Hockney_Scatterv_bfs_binomial_min	(	void *	sendbuf,
		int *	sendcounts,
		int *	displs,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int	recvcount,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

BFS binomial scatterv based on the Hockney model.

int Hockney_Gatherv_bfs_binomial_min	(	void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int *	recvcounts,
		int *	displs,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

BFS binomial gatherv based on the Hockney model.

int Hockney_Scatterv_bfs_binomial_max	(	void *	sendbuf,
		int *	sendcounts,
		int *	displs,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int	recvcount,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

BFS binomial scatterv based on the Hockney model.

int Hockney_Gatherv_bfs_binomial_max	(	void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int *	recvcounts,
		int *	displs,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

BFS binomial gatherv based on the Hockney model.

int Hockney_Scatterv_ucs_binomial_min	(	void *	sendbuf,
		int *	sendcounts,
		int *	displs,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int	recvcount,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

UCS binomial scatterv based on the Hockney model.

int Hockney_Gatherv_ucs_binomial_min	(	void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int *	recvcounts,
		int *	displs,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

UCS binomial gatherv based on the Hockney model.

int Hockney_Scatterv_ucs_binomial_max	(	void *	sendbuf,
		int *	sendcounts,
		int *	displs,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int	recvcount,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

UCS binomial scatterv based on the Hockney model.

int Hockney_Gatherv_ucs_binomial_max	(	void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int *	recvcounts,
		int *	displs,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

UCS binomial gatherv based on the Hockney model.

int Hockney_Scatterv_Traff	(	void *	sendbuf,
		int *	sendcounts,
		int *	displs,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int	recvcount,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

Scatterv based on modified Traff using the Hockney model.

int Hockney_Gatherv_Traff	(	void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int *	recvcounts,
		int *	displs,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

Gatherv based on modified Traff using the Hockney model.