quda/lib/comm_mpi.cpp File Reference

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <mpi.h>
#include <comm_quda.h>

Go to the source code of this file.

Defines
#define	GRID_ID(xid, yid, zid, tid)   (xid*ygridsize*zgridsize*tgridsize+yid*zgridsize*tgridsize+zid*tgridsize+tid)
#define	GRID_ID(xid, yid, zid, tid)   (xid*ygridsize*zgridsize*tgridsize+yid*zgridsize*tgridsize+zid*tgridsize+tid)
Functions
int	getGpuCount ()
void	comm_set_gridsize (int x, int y, int z, int t)
void	comm_dim_partitioned_set (int dir)
int	comm_dim_partitioned (int dir)
int	comm_get_neighbor_rank (int dx, int dy, int dz, int dt)
void	comm_init ()
int	comm_gpuid ()
int	comm_rank (void)
int	comm_size (void)
int	comm_dim (int dir)
int	comm_coords (int dir)
unsigned long	comm_send (void *buf, int len, int dst, void *_request)
unsigned long	comm_send_to_rank (void *buf, int len, int dst_rank, void *_request)
unsigned long	comm_send_with_tag (void *buf, int len, int dst, int tag, void *_request)
unsigned long	comm_recv (void *buf, int len, int src, void *_request)
unsigned long	comm_recv_from_rank (void *buf, int len, int src_rank, void *_request)
unsigned long	comm_recv_with_tag (void *buf, int len, int src, int tag, void *_request)
int	comm_query (void *request)
void	comm_free (void *request)
void	comm_wait (void *request)
void	comm_allreduce (double *data)
void	comm_allreduce_array (double *data, size_t size)
void	comm_allreduce_max (double *data)
void	comm_broadcast (void *data, size_t nbytes)
void	comm_barrier (void)
void	comm_cleanup ()
void	comm_exit (int ret)
Variables
char	hostname [128]
int	verbose

---

Define Documentation

#define GRID_ID	(		xid,
			yid,
			zid,
			tid
	)		(xid*ygridsize*zgridsize*tgridsize+yid*zgridsize*tgridsize+zid*tgridsize+tid)

#define GRID_ID	(		xid,
			yid,
			zid,
			tid
	)		(xid*ygridsize*zgridsize*tgridsize+yid*zgridsize*tgridsize+zid*tgridsize+tid)

---

Function Documentation

void comm_allreduce

(

double *

data

)

Definition at line 548 of file comm_mpi.cpp.

void comm_allreduce_array	(	double *	data,
		size_t	size
	)

Definition at line 564 of file comm_mpi.cpp.

void comm_allreduce_max

(

double *

data

)

Definition at line 580 of file comm_mpi.cpp.

void comm_barrier

(

void

)

Definition at line 602 of file comm_mpi.cpp.

void comm_broadcast	(	void *	data,
		size_t	nbytes
	)

Definition at line 596 of file comm_mpi.cpp.

void comm_cleanup

(

void

)

Definition at line 607 of file comm_mpi.cpp.

int comm_coords

(

int

dir

)

Definition at line 305 of file comm_mpi.cpp.

int comm_dim

(

int

dir

)

Definition at line 280 of file comm_mpi.cpp.

int comm_dim_partitioned

(

int

dir

)

Definition at line 63 of file comm_mpi.cpp.

void comm_dim_partitioned_set

(

int

dir

)

Definition at line 55 of file comm_mpi.cpp.

void comm_exit

(

int

ret

)

Definition at line 613 of file comm_mpi.cpp.

void comm_free

(

void *

request

)

Definition at line 526 of file comm_mpi.cpp.

int comm_get_neighbor_rank	(	int	dx,
		int	dy,
		int	dz,
		int	dt
	)

Definition at line 178 of file comm_mpi.cpp.

int comm_gpuid

(

)

Definition at line 261 of file comm_mpi.cpp.

void comm_init

(

void

)

Definition at line 201 of file comm_mpi.cpp.

int comm_query

(

void *

request

)

Definition at line 513 of file comm_mpi.cpp.

int comm_rank

(

void

)

Definition at line 268 of file comm_mpi.cpp.

unsigned long comm_recv	(	void *	buf,
		int	len,
		int	src,
		void *	_request
	)

Definition at line 423 of file comm_mpi.cpp.

unsigned long comm_recv_from_rank	(	void *	buf,
		int	len,
		int	src_rank,
		void *	_request
	)

Definition at line 450 of file comm_mpi.cpp.

unsigned long comm_recv_with_tag	(	void *	buf,
		int	len,
		int	src,
		int	tag,
		void *	_request
	)

Definition at line 470 of file comm_mpi.cpp.

unsigned long comm_send	(	void *	buf,
		int	len,
		int	dst,
		void *	_request
	)

Definition at line 330 of file comm_mpi.cpp.

unsigned long comm_send_to_rank	(	void *	buf,
		int	len,
		int	dst_rank,
		void *	_request
	)

Definition at line 357 of file comm_mpi.cpp.

unsigned long comm_send_with_tag	(	void *	buf,
		int	len,
		int	dst,
		int	tag,
		void *	_request
	)

Definition at line 376 of file comm_mpi.cpp.

void comm_set_gridsize	(	int	x,
		int	y,
		int	z,
		int	t
	)

Definition at line 39 of file comm_mpi.cpp.

int comm_size

(

void

)

Definition at line 274 of file comm_mpi.cpp.

void comm_wait

(

void *

request

)

Definition at line 533 of file comm_mpi.cpp.

int getGpuCount

(

)

Definition at line 95 of file interface_quda.cpp.

---

Variable Documentation

char hostname[128]

Definition at line 8 of file comm_mpi.cpp.

int verbose