comm_common.cpp File Reference

#include <unistd.h>
#include <assert.h>
#include <limits>
#include <quda_internal.h>
#include <communicator_quda.h>
#include <comm_quda.h>

Go to the source code of this file.

Functions
char *	comm_hostname (void)
double	comm_drand (void)
MsgHandle *	comm_declare_send_relative_ (const char *func, const char *file, int line, void *buffer, int dim, int dir, size_t nbytes)
MsgHandle *	comm_declare_receive_relative_ (const char *func, const char *file, int line, void *buffer, int dim, int dir, size_t nbytes)
MsgHandle *	comm_declare_strided_send_relative_ (const char *func, const char *file, int line, void *buffer, int dim, int dir, size_t blksize, int nblocks, size_t stride)
MsgHandle *	comm_declare_strided_receive_relative_ (const char *func, const char *file, int line, void *buffer, int dim, int dir, size_t blksize, int nblocks, size_t stride)
Topology *	comm_create_topology (int ndim, const int *dims, QudaCommsMap rank_from_coords, void *map_data, int my_rank)
void	comm_abort (int status)

Function Documentation

comm_abort()

void comm_abort

(

int

status

)

Definition at line 208 of file comm_common.cpp.

comm_create_topology()

Topology* comm_create_topology	(	int	ndim,
		const int *	dims,
		QudaCommsMap	rank_from_coords,
		void *	map_data,
		int	my_rank
	)

Definition at line 173 of file comm_common.cpp.

comm_declare_receive_relative_()

MsgHandle* comm_declare_receive_relative_	(	const char *	func,
		const char *	file,
		int	line,
		void *	buffer,
		int	dim,
		int	dir,
		size_t	nbytes
	)

Receive from the "dir" direction in the "dim" dimension

Definition at line 78 of file comm_common.cpp.

comm_declare_send_relative_()

MsgHandle* comm_declare_send_relative_	(	const char *	func,
		const char *	file,
		int	line,
		void *	buffer,
		int	dim,
		int	dir,
		size_t	nbytes
	)

Send to the "dir" direction in the "dim" dimension

Definition at line 44 of file comm_common.cpp.

comm_declare_strided_receive_relative_()

MsgHandle* comm_declare_strided_receive_relative_	(	const char *	func,
		const char *	file,
		int	line,
		void *	buffer,
		int	dim,
		int	dir,
		size_t	blksize,
		int	nblocks,
		size_t	stride
	)

Strided receive from the "dir" direction in the "dim" dimension

Definition at line 145 of file comm_common.cpp.

comm_declare_strided_send_relative_()

MsgHandle* comm_declare_strided_send_relative_	(	const char *	func,
		const char *	file,
		int	line,
		void *	buffer,
		int	dim,
		int	dir,
		size_t	blksize,
		int	nblocks,
		size_t	stride
	)

Strided send to the "dir" direction in the "dim" dimension

Definition at line 108 of file comm_common.cpp.

comm_drand()

double comm_drand

(

void

)

We provide our own random number generator to avoid re-seeding rand(), which might also be used by the calling application. This is a clone of rand48(), provided by stdlib.h on UNIX.

Returns

a random double in the interval [0,1)

Definition at line 33 of file comm_common.cpp.

comm_hostname()

char* comm_hostname

(

void

)

Definition at line 10 of file comm_common.cpp.