dbm_mpi.c File Reference

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "dbm_mpi.h"

Go to the source code of this file.

Functions
void	dbm_mpi_init (int *argc, char ***argv)
	Wrapper around MPI_Init. More...
void	dbm_mpi_finalize ()
	Wrapper around MPI_Finalize. More...
dbm_mpi_comm_t	dbm_mpi_get_comm_world ()
	Returns MPI_COMM_WORLD. More...
dbm_mpi_comm_t	dbm_mpi_comm_f2c (const int fortran_comm)
	Wrapper around MPI_Comm_f2c. More...
int	dbm_mpi_comm_c2f (const dbm_mpi_comm_t comm)
	Wrapper around MPI_Comm_c2f. More...
int	dbm_mpi_comm_rank (const dbm_mpi_comm_t comm)
	Wrapper around MPI_Comm_rank. More...
int	dbm_mpi_comm_size (const dbm_mpi_comm_t comm)
	Wrapper around MPI_Comm_size. More...
void	dbm_mpi_dims_create (const int nnodes, const int ndims, int dims[])
	Wrapper around MPI_Dims_create. More...
dbm_mpi_comm_t	dbm_mpi_cart_create (const dbm_mpi_comm_t comm_old, const int ndims, const int dims[], const int periods[], const int reorder)
	Wrapper around MPI_Cart_create. More...
void	dbm_mpi_cart_get (const dbm_mpi_comm_t comm, int maxdims, int dims[], int periods[], int coords[])
	Wrapper around MPI_Cart_get. More...
int	dbm_mpi_cart_rank (const dbm_mpi_comm_t comm, const int coords[])
	Wrapper around MPI_Cart_rank. More...
dbm_mpi_comm_t	dbm_mpi_cart_sub (const dbm_mpi_comm_t comm, const int remain_dims[])
	Wrapper around MPI_Cart_sub. More...
void	dbm_mpi_comm_free (dbm_mpi_comm_t *comm)
	Wrapper around MPI_Comm_free. More...
bool	dbm_mpi_comms_are_similar (const dbm_mpi_comm_t comm1, const dbm_mpi_comm_t comm2)
	Wrapper around MPI_Comm_compare. More...
void	dbm_mpi_max_int (int *values, const int count, const dbm_mpi_comm_t comm)
	Wrapper around MPI_Allreduce for op MPI_MAX and datatype MPI_INT. More...
void	dbm_mpi_max_double (double *values, const int count, const dbm_mpi_comm_t comm)
	Wrapper around MPI_Allreduce for op MPI_MAX and datatype MPI_DOUBLE. More...
void	dbm_mpi_sum_int (int *values, const int count, const dbm_mpi_comm_t comm)
	Wrapper around MPI_Allreduce for op MPI_SUM and datatype MPI_INT. More...
void	dbm_mpi_sum_int64 (int64_t *values, const int count, const dbm_mpi_comm_t comm)
	Wrapper around MPI_Allreduce for op MPI_SUM and datatype MPI_INT64_T. More...
void	dbm_mpi_sum_double (double *values, const int count, const dbm_mpi_comm_t comm)
	Wrapper around MPI_Allreduce for op MPI_SUM and datatype MPI_DOUBLE. More...
int	dbm_mpi_sendrecv_byte (const void *sendbuf, const int sendcount, const int dest, const int sendtag, void *recvbuf, const int recvcount, const int source, const int recvtag, const dbm_mpi_comm_t comm)
	Wrapper around MPI_Sendrecv for datatype MPI_BYTE. More...
int	dbm_mpi_sendrecv_double (const double *sendbuf, const int sendcount, const int dest, const int sendtag, double *recvbuf, const int recvcount, const int source, const int recvtag, const dbm_mpi_comm_t comm)
	Wrapper around MPI_Sendrecv for datatype MPI_DOUBLE. More...
void	dbm_mpi_alltoall_int (const int *sendbuf, const int sendcount, int *recvbuf, const int recvcount, const dbm_mpi_comm_t comm)
	Wrapper around MPI_Alltoall for datatype MPI_INT. More...
void	dbm_mpi_alltoallv_byte (const void *sendbuf, const int *sendcounts, const int *sdispls, void *recvbuf, const int *recvcounts, const int *rdispls, const dbm_mpi_comm_t comm)
	Wrapper around MPI_Alltoallv for datatype MPI_BYTE. More...
void	dbm_mpi_alltoallv_double (const double *sendbuf, const int *sendcounts, const int *sdispls, double *recvbuf, const int *recvcounts, const int *rdispls, const dbm_mpi_comm_t comm)
	Wrapper around MPI_Alltoallv for datatype MPI_DOUBLE. More...

Function Documentation

dbm_mpi_init()

void dbm_mpi_init	(	int *	argc,
		char ***	argv
	)

Wrapper around MPI_Init.

Author

Ole Schuett

Definition at line 31 of file dbm_mpi.c.

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dbm_mpi_finalize()

void dbm_mpi_finalize

(

)

Wrapper around MPI_Finalize.

Author

Ole Schuett

Definition at line 44 of file dbm_mpi.c.

dbm_mpi_get_comm_world()

dbm_mpi_comm_t dbm_mpi_get_comm_world

(

)

Returns MPI_COMM_WORLD.

Author

Ole Schuett

Definition at line 54 of file dbm_mpi.c.

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dbm_mpi_comm_f2c()

dbm_mpi_comm_t dbm_mpi_comm_f2c

(

const int

fortran_comm

)

Wrapper around MPI_Comm_f2c.

Author

Ole Schuett

Definition at line 66 of file dbm_mpi.c.

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dbm_mpi_comm_c2f()

int dbm_mpi_comm_c2f

(

const dbm_mpi_comm_t

comm

)

Wrapper around MPI_Comm_c2f.

Author

Ole Schuett

Definition at line 79 of file dbm_mpi.c.

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dbm_mpi_comm_rank()

int dbm_mpi_comm_rank

(

const dbm_mpi_comm_t

comm

)

Wrapper around MPI_Comm_rank.

Author

Ole Schuett

Definition at line 92 of file dbm_mpi.c.

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dbm_mpi_comm_size()

int dbm_mpi_comm_size

(

const dbm_mpi_comm_t

comm

)

Wrapper around MPI_Comm_size.

Author

Ole Schuett

Definition at line 107 of file dbm_mpi.c.

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dbm_mpi_dims_create()

void dbm_mpi_dims_create	(	const int	nnodes,
		const int	ndims,
		int	dims[]
	)

Wrapper around MPI_Dims_create.

Author

Ole Schuett

Definition at line 122 of file dbm_mpi.c.

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dbm_mpi_cart_create()

dbm_mpi_comm_t dbm_mpi_cart_create	(	const dbm_mpi_comm_t	comm_old,
		const int	ndims,
		const int	dims[],
		const int	periods[],
		const int	reorder
	)

Wrapper around MPI_Cart_create.

Author

Ole Schuett

Definition at line 137 of file dbm_mpi.c.

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dbm_mpi_cart_get()

void dbm_mpi_cart_get	(	const dbm_mpi_comm_t	comm,
		int	maxdims,
		int	dims[],
		int	periods[],
		int	coords[]
	)

Wrapper around MPI_Cart_get.

Author

Ole Schuett

Definition at line 158 of file dbm_mpi.c.

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dbm_mpi_cart_rank()

int dbm_mpi_cart_rank	(	const dbm_mpi_comm_t	comm,
		const int	coords[]
	)

Wrapper around MPI_Cart_rank.

Author

Ole Schuett

Definition at line 176 of file dbm_mpi.c.

dbm_mpi_cart_sub()

dbm_mpi_comm_t dbm_mpi_cart_sub	(	const dbm_mpi_comm_t	comm,
		const int	remain_dims[]
	)

Wrapper around MPI_Cart_sub.

Author

Ole Schuett

Definition at line 192 of file dbm_mpi.c.

dbm_mpi_comm_free()

void dbm_mpi_comm_free

(

dbm_mpi_comm_t *

comm

)

Wrapper around MPI_Comm_free.

Author

Ole Schuett

Definition at line 209 of file dbm_mpi.c.

dbm_mpi_comms_are_similar()

bool dbm_mpi_comms_are_similar	(	const dbm_mpi_comm_t	comm1,
		const dbm_mpi_comm_t	comm2
	)

Wrapper around MPI_Comm_compare.

Author

Ole Schuett

Definition at line 221 of file dbm_mpi.c.

dbm_mpi_max_int()

void dbm_mpi_max_int	(	int *	values,
		const int	count,
		const dbm_mpi_comm_t	comm
	)

Wrapper around MPI_Allreduce for op MPI_MAX and datatype MPI_INT.

Author

Ole Schuett

Definition at line 238 of file dbm_mpi.c.

dbm_mpi_max_double()

void dbm_mpi_max_double	(	double *	values,
		const int	count,
		const dbm_mpi_comm_t	comm
	)

Wrapper around MPI_Allreduce for op MPI_MAX and datatype MPI_DOUBLE.

Author

Ole Schuett

Definition at line 255 of file dbm_mpi.c.

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dbm_mpi_sum_int()

void dbm_mpi_sum_int	(	int *	values,
		const int	count,
		const dbm_mpi_comm_t	comm
	)

Wrapper around MPI_Allreduce for op MPI_SUM and datatype MPI_INT.

Author

Ole Schuett

Definition at line 273 of file dbm_mpi.c.

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dbm_mpi_sum_int64()

void dbm_mpi_sum_int64	(	int64_t *	values,
		const int	count,
		const dbm_mpi_comm_t	comm
	)

Wrapper around MPI_Allreduce for op MPI_SUM and datatype MPI_INT64_T.

Author

Ole Schuett

Definition at line 290 of file dbm_mpi.c.

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dbm_mpi_sum_double()

void dbm_mpi_sum_double	(	double *	values,
		const int	count,
		const dbm_mpi_comm_t	comm
	)

Wrapper around MPI_Allreduce for op MPI_SUM and datatype MPI_DOUBLE.

Author

Ole Schuett

Definition at line 308 of file dbm_mpi.c.

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dbm_mpi_sendrecv_byte()

int dbm_mpi_sendrecv_byte	(	const void *	sendbuf,
		const int	sendcount,
		const int	dest,
		const int	sendtag,
		void *	recvbuf,
		const int	recvcount,
		const int	source,
		const int	recvtag,
		const dbm_mpi_comm_t	comm
	)

Wrapper around MPI_Sendrecv for datatype MPI_BYTE.

Author

Ole Schuett

Definition at line 326 of file dbm_mpi.c.

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dbm_mpi_sendrecv_double()

int dbm_mpi_sendrecv_double	(	const double *	sendbuf,
		const int	sendcount,
		const int	dest,
		const int	sendtag,
		double *	recvbuf,
		const int	recvcount,
		const int	source,
		const int	recvtag,
		const dbm_mpi_comm_t	comm
	)

Wrapper around MPI_Sendrecv for datatype MPI_DOUBLE.

Author

Ole Schuett

Definition at line 356 of file dbm_mpi.c.

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dbm_mpi_alltoall_int()

void dbm_mpi_alltoall_int	(	const int *	sendbuf,
		const int	sendcount,
		int *	recvbuf,
		const int	recvcount,
		const dbm_mpi_comm_t	comm
	)

Wrapper around MPI_Alltoall for datatype MPI_INT.

Author

Ole Schuett

Definition at line 386 of file dbm_mpi.c.

dbm_mpi_alltoallv_byte()

void dbm_mpi_alltoallv_byte	(	const void *	sendbuf,
		const int *	sendcounts,
		const int *	sdispls,
		void *	recvbuf,
		const int *	recvcounts,
		const int *	rdispls,
		const dbm_mpi_comm_t	comm
	)

Wrapper around MPI_Alltoallv for datatype MPI_BYTE.

Author

Ole Schuett

Definition at line 402 of file dbm_mpi.c.

dbm_mpi_alltoallv_double()

void dbm_mpi_alltoallv_double	(	const double *	sendbuf,
		const int *	sendcounts,
		const int *	sdispls,
		double *	recvbuf,
		const int *	recvcounts,
		const int *	rdispls,
		const dbm_mpi_comm_t	comm
	)

Wrapper around MPI_Alltoallv for datatype MPI_DOUBLE.

Author

Ole Schuett

Definition at line 421 of file dbm_mpi.c.