myalltoall.cc File Reference

a simple wrapper around MPI_Alltoallv that can deal with data in individual sends that are very big More...

#include "gadgetconfig.h"
#include <math.h>
#include <mpi.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../data/allvars.h"
#include "../data/dtypes.h"
#include "../data/mymalloc.h"
#include "../mpi_utils/mpi_utils.h"

Go to the source code of this file.

Macros
#define	PCHAR(a)   ((char *)a)

Functions
int	myMPI_Alltoallv_new_prep (int *sendcnt, int *recvcnt, int *rdispls, MPI_Comm comm, int method)
void	myMPI_Alltoallv_new (void *sendbuf, int *sendcnt, int *sdispls, MPI_Datatype sendtype, void *recvbuf, int *recvcnt, int *rdispls, MPI_Datatype recvtype, MPI_Comm comm, int method)
void	myMPI_Alltoallv (void *sendb, size_t *sendcounts, size_t *sdispls, void *recvb, size_t *recvcounts, size_t *rdispls, int len, int big_flag, MPI_Comm comm)
void	my_int_MPI_Alltoallv (void *sendb, int *sendcounts, int *sdispls, void *recvb, int *recvcounts, int *rdispls, int len, int big_flag, MPI_Comm comm)

Detailed Description

a simple wrapper around MPI_Alltoallv that can deal with data in individual sends that are very big

Definition in file myalltoall.cc.

Macro Definition Documentation

PCHAR

#define PCHAR

(

a

)

((char *)a)

Definition at line 25 of file myalltoall.cc.

Function Documentation

my_int_MPI_Alltoallv()

void my_int_MPI_Alltoallv	(	void *	sendb,
		int *	sendcounts,
		int *	sdispls,
		void *	recvb,
		int *	recvcounts,
		int *	rdispls,
		int	len,
		int	big_flag,
		MPI_Comm	comm
	)

Definition at line 235 of file myalltoall.cc.

myMPI_Alltoallv()

void myMPI_Alltoallv	(	void *	sendb,
		size_t *	sendcounts,
		size_t *	sdispls,
		void *	recvb,
		size_t *	recvcounts,
		size_t *	rdispls,
		int	len,
		int	big_flag,
		MPI_Comm	comm
	)

Definition at line 177 of file myalltoall.cc.

myMPI_Alltoallv_new()

void myMPI_Alltoallv_new	(	void *	sendbuf,
		int *	sendcnt,
		int *	sdispls,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int *	recvcnt,
		int *	rdispls,
		MPI_Datatype	recvtype,
		MPI_Comm	comm,
		int	method
	)

Definition at line 74 of file myalltoall.cc.

myMPI_Alltoallv_new_prep()

int myMPI_Alltoallv_new_prep	(	int *	sendcnt,
		int *	recvcnt,
		int *	rdispls,
		MPI_Comm	comm,
		int	method
	)

Definition at line 36 of file myalltoall.cc.