array-mpi.h File Reference

Reference MPI communication with arrays. More...

#include "brick-mpi.h"
#include <mpi.h>

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Classes
struct	ArrExPack

Functions
void	elemcpy (bElem *dst, const bElem *src, unsigned long size)
template<unsigned dim>
bElem *	pack (bElem *arr, BitSet neighbor, bElem *buffer_out, const std::vector< unsigned long > &arrstride, const std::vector< long > &dimlist, const std::vector< long > &padding, const std::vector< long > &ghost)
template<>
bElem *	pack< 1 > (bElem *arr, BitSet neighbor, bElem *buffer_out, const std::vector< unsigned long > &arrstride, const std::vector< long > &dimlist, const std::vector< long > &padding, const std::vector< long > &ghost)
template<unsigned dim>
bElem *	unpack (bElem *arr, BitSet neighbor, bElem *buffer_recv, const std::vector< unsigned long > &arrstride, const std::vector< long > &dimlist, const std::vector< long > &padding, const std::vector< long > &ghost)
template<>
bElem *	unpack< 1 > (bElem *arr, BitSet neighbor, bElem *buffer_recv, const std::vector< unsigned long > &arrstride, const std::vector< long > &dimlist, const std::vector< long > &padding, const std::vector< long > &ghost)
unsigned	evalsize (BitSet region, const std::vector< long > &dimlist, const std::vector< long > &ghost, bool inner=true)
template<unsigned dim>
void	exchangeArr (bElem *arr, const MPI_Comm &comm, std::unordered_map< uint64_t, int > &rank_map, const std::vector< long > &dimlist, const std::vector< long > &padding, const std::vector< long > &ghost)
MPI_Datatype	pack_type (BitSet neighbor, const std::vector< long > &dimlist, const std::vector< long > &padding, const std::vector< long > &ghost)
MPI_Datatype	unpack_type (BitSet neighbor, const std::vector< long > &dimlist, const std::vector< long > &padding, const std::vector< long > &ghost)
template<unsigned dim>
void	exchangeArrPrepareTypes (std::unordered_map< uint64_t, MPI_Datatype > &stypemap, std::unordered_map< uint64_t, MPI_Datatype > &rtypemap, const std::vector< long > &dimlist, const std::vector< long > &padding, const std::vector< long > &ghost)
template<unsigned dim>
void	exchangeArrTypes (bElem *arr, const MPI_Comm &comm, std::unordered_map< uint64_t, int > &rank_map, std::unordered_map< uint64_t, MPI_Datatype > &stypemap, std::unordered_map< uint64_t, MPI_Datatype > &rtypemap)
template<unsigned dim>
void	exchangeArrAll (std::vector< ArrExPack > arr, const MPI_Comm &comm, const std::vector< long > &dimlist, const std::vector< long > &padding, const std::vector< long > &ghost)

Variables
std::vector< bElem * >	arr_buffers_out
std::vector< bElem * >	arr_buffers_recv

Detailed Description

Reference MPI communication with arrays.

This includes packing/unpacking and communication with MPI_Types

Function Documentation

elemcpy()

void elemcpy ( bElem *  dst, const bElem *  src, unsigned long  size  )

inline

OpenMP-enabled copy kernel

Parameters

dst	destination
src	source
size	in number of bElem

evalsize()

unsigned evalsize ( BitSet  region, const std::vector< long > &  dimlist, const std::vector< long > &  ghost, bool  inner = true  )

inline

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exchangeArr()

template<unsigned dim>

void exchangeArr	(	bElem *	arr,
		const MPI_Comm &	comm,
		std::unordered_map< uint64_t, int > &	rank_map,
		const std::vector< long > &	dimlist,
		const std::vector< long > &	padding,
		const std::vector< long > &	ghost
	)

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exchangeArrAll()

template<unsigned dim>

void exchangeArrAll	(	std::vector< ArrExPack >	arr,
		const MPI_Comm &	comm,
		const std::vector< long > &	dimlist,
		const std::vector< long > &	padding,
		const std::vector< long > &	ghost
	)

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exchangeArrPrepareTypes()

template<unsigned dim>

void exchangeArrPrepareTypes	(	std::unordered_map< uint64_t, MPI_Datatype > &	stypemap,
		std::unordered_map< uint64_t, MPI_Datatype > &	rtypemap,
		const std::vector< long > &	dimlist,
		const std::vector< long > &	padding,
		const std::vector< long > &	ghost
	)

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exchangeArrTypes()

template<unsigned dim>

void exchangeArrTypes	(	bElem *	arr,
		const MPI_Comm &	comm,
		std::unordered_map< uint64_t, int > &	rank_map,
		std::unordered_map< uint64_t, MPI_Datatype > &	stypemap,
		std::unordered_map< uint64_t, MPI_Datatype > &	rtypemap
	)

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pack()

template<unsigned dim>

bElem * pack ( bElem *  arr, BitSet  neighbor, bElem *  buffer_out, const std::vector< unsigned long > &  arrstride, const std::vector< long > &  dimlist, const std::vector< long > &  padding, const std::vector< long > &  ghost  )

inline

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pack< 1 >()

template<>

bElem * pack< 1 > ( bElem *  arr, BitSet  neighbor, bElem *  buffer_out, const std::vector< unsigned long > &  arrstride, const std::vector< long > &  dimlist, const std::vector< long > &  padding, const std::vector< long > &  ghost  )

inline

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pack_type()

MPI_Datatype pack_type ( BitSet  neighbor, const std::vector< long > &  dimlist, const std::vector< long > &  padding, const std::vector< long > &  ghost  )

inline

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unpack()

template<unsigned dim>

bElem * unpack ( bElem *  arr, BitSet  neighbor, bElem *  buffer_recv, const std::vector< unsigned long > &  arrstride, const std::vector< long > &  dimlist, const std::vector< long > &  padding, const std::vector< long > &  ghost  )

inline

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unpack< 1 >()

template<>

bElem * unpack< 1 > ( bElem *  arr, BitSet  neighbor, bElem *  buffer_recv, const std::vector< unsigned long > &  arrstride, const std::vector< long > &  dimlist, const std::vector< long > &  padding, const std::vector< long > &  ghost  )

inline

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unpack_type()

MPI_Datatype unpack_type ( BitSet  neighbor, const std::vector< long > &  dimlist, const std::vector< long > &  padding, const std::vector< long > &  ghost  )

inline

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Variable Documentation

arr_buffers_out

std::vector<bElem *> arr_buffers_out

extern

arr_buffers_recv

std::vector<bElem *> arr_buffers_recv

extern