#include "shambase/aliases_float.hpp"
#include "shambase/aliases_int.hpp"
#include "shamcomm/mpi.hpp"
#include <unordered_map>
#include <string>
#include <vector>

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Namespaces
namespace	shamcomm
	namespace for communication related stuff

Functions
void	shamcomm::mpi::register_time (std::string timername, f64 time)
	Register a timer value.

f64	shamcomm::mpi::get_timer (std::string timername)
	get a timer value

const std::unordered_map< std::string, f64 > &	shamcomm::mpi::get_timers ()
	return all internal timers

const std::vector< std::string > &	shamcomm::mpi::get_possible_keys ()
	return all possible keys for the internal timers

void	shamcomm::mpi::Allreduce (const void sendbuf, void recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
	MPI wrapper for MPI_Allreduce.

void	shamcomm::mpi::Allgather (const void sendbuf, int sendcount, MPI_Datatype sendtype, void recvbuf, int recvcount, MPI_Datatype recvtype, MPI_Comm comm)
	MPI wrapper for MPI_Allgather.

void	shamcomm::mpi::Allgatherv (const void sendbuf, int sendcount, MPI_Datatype sendtype, void recvbuf, const int recvcounts[], const int displs[], MPI_Datatype recvtype, MPI_Comm comm)
	MPI wrapper for MPI_Allgatherv.

void	shamcomm::mpi::Isend (const void buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request request)
	MPI wrapper for MPI_Isend.

void	shamcomm::mpi::Irecv (void buf, int count, MPI_Datatype datatype, int source, int tag, MPI_Comm comm, MPI_Request request)
	MPI wrapper for MPI_Irecv.

void	shamcomm::mpi::Exscan (const void sendbuf, void recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
	MPI wrapper for MPI_Exscan.

void	shamcomm::mpi::Wait (MPI_Request request, MPI_Status status)
	MPI wrapper for MPI_Wait.

void	shamcomm::mpi::Waitall (int count, MPI_Request array_of_requests[], MPI_Status *array_of_statuses)
	MPI wrapper for MPI_Waitall.

void	shamcomm::mpi::Barrier (MPI_Comm comm)
	MPI wrapper for MPI_Barrier.

void	shamcomm::mpi::Probe (int source, int tag, MPI_Comm comm, MPI_Status *status)
	MPI wrapper for MPI_Probe.

void	shamcomm::mpi::Recv (void buf, int count, MPI_Datatype datatype, int source, int tag, MPI_Comm comm, MPI_Status status)
	MPI wrapper for MPI_Recv.

void	shamcomm::mpi::Get_count (const MPI_Status status, MPI_Datatype datatype, int count)
	MPI wrapper for MPI_Get_count.

void	shamcomm::mpi::Send (const void *buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm)
	MPI wrapper for MPI_Send.

void	shamcomm::mpi::File_set_view (MPI_File fh, MPI_Offset disp, MPI_Datatype etype, MPI_Datatype filetype, const char *datarep, MPI_Info info)
	MPI wrapper for MPI_File_set_view.

void	shamcomm::mpi::Type_size (MPI_Datatype type, int *size)
	MPI wrapper for MPI_Type_size.

void	shamcomm::mpi::File_write_all (MPI_File fh, const void buf, int count, MPI_Datatype datatype, MPI_Status status)
	MPI wrapper for MPI_File_write_all.

void	shamcomm::mpi::File_write (MPI_File fh, const void buf, int count, MPI_Datatype datatype, MPI_Status status)
	MPI wrapper for MPI_File_write.

void	shamcomm::mpi::File_read (MPI_File fh, void buf, int count, MPI_Datatype datatype, MPI_Status status)
	MPI wrapper for MPI_File_read.

void	shamcomm::mpi::File_write_at (MPI_File fh, MPI_Offset offset, const void buf, int count, MPI_Datatype datatype, MPI_Status status)
	MPI wrapper for MPI_File_write_at.

void	shamcomm::mpi::File_read_at (MPI_File fh, MPI_Offset offset, void buf, int count, MPI_Datatype datatype, MPI_Status status)
	MPI wrapper for MPI_File_read_at.

void	shamcomm::mpi::File_close (MPI_File *fh)
	MPI wrapper for MPI_File_close.

void	shamcomm::mpi::File_open (MPI_Comm comm, const char filename, int amode, MPI_Info info, MPI_File fh)
	MPI wrapper for MPI_File_open.

void	shamcomm::mpi::Test (MPI_Request request, int flag, MPI_Status *status)
	MPI wrapper for MPI_Test.

void	shamcomm::mpi::Gather (const void sendbuf, int sendcount, MPI_Datatype sendtype, void recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
	MPI wrapper for MPI_Gather.

void	shamcomm::mpi::Gatherv (const void sendbuf, int sendcount, MPI_Datatype sendtype, void recvbuf, const int recvcounts[], const int displs[], MPI_Datatype recvtype, int root, MPI_Comm comm)
	MPI wrapper for MPI_Gatherv.

Detailed Description

Author: Timothée David–Cléris (tim.s.nosp@m.hamr.nosp@m.ock@p.nosp@m.roto.nosp@m.n.me)

Definition in file wrapper.hpp.

Function Documentation

◆ Allgather()

void shamcomm::mpi::Allgather	(	const void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int	recvcount,
		MPI_Datatype	recvtype,
		MPI_Comm	comm
	)

MPI wrapper for MPI_Allgather.

Definition at line 133 of file wrapper.cpp.

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◆ Allgatherv()

void shamcomm::mpi::Allgatherv	(	const void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		const int	recvcounts[],
		const int	displs[],
		MPI_Datatype	recvtype,
		MPI_Comm	comm
	)

MPI wrapper for MPI_Allgatherv.

Definition at line 149 of file wrapper.cpp.

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◆ Allreduce()

void shamcomm::mpi::Allreduce	(	const void *	sendbuf,
		void *	recvbuf,
		int	count,
		MPI_Datatype	datatype,
		MPI_Op	op,
		MPI_Comm	comm
	)

MPI wrapper for MPI_Allreduce.

Definition at line 119 of file wrapper.cpp.

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◆ Barrier()

void shamcomm::mpi::Barrier ( MPI_Comm comm )

MPI wrapper for MPI_Barrier.

Definition at line 194 of file wrapper.cpp.

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◆ Exscan()

void shamcomm::mpi::Exscan	(	const void *	sendbuf,
		void *	recvbuf,
		int	count,
		MPI_Datatype	datatype,
		MPI_Op	op,
		MPI_Comm	comm
	)

MPI wrapper for MPI_Exscan.

Definition at line 166 of file wrapper.cpp.

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◆ File_close()

void shamcomm::mpi::File_close ( MPI_File * fh )

MPI wrapper for MPI_File_close.

Definition at line 305 of file wrapper.cpp.

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◆ File_open()

void shamcomm::mpi::File_open	(	MPI_Comm	comm,
		const char *	filename,
		int	amode,
		MPI_Info	info,
		MPI_File *	fh
	)

MPI wrapper for MPI_File_open.

Definition at line 312 of file wrapper.cpp.

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◆ File_read()

void shamcomm::mpi::File_read	(	MPI_File	fh,
		void *	buf,
		int	count,
		MPI_Datatype	datatype,
		MPI_Status *	status
	)

MPI wrapper for MPI_File_read.

Definition at line 272 of file wrapper.cpp.

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◆ File_read_at()

void shamcomm::mpi::File_read_at	(	MPI_File	fh,
		MPI_Offset	offset,
		void *	buf,
		int	count,
		MPI_Datatype	datatype,
		MPI_Status *	status
	)

MPI wrapper for MPI_File_read_at.

Definition at line 292 of file wrapper.cpp.

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◆ File_set_view()

void shamcomm::mpi::File_set_view	(	MPI_File	fh,
		MPI_Offset	disp,
		MPI_Datatype	etype,
		MPI_Datatype	filetype,
		const char *	datarep,
		MPI_Info	info
	)

MPI wrapper for MPI_File_set_view.

Definition at line 236 of file wrapper.cpp.

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◆ File_write()

void shamcomm::mpi::File_write	(	MPI_File	fh,
		const void *	buf,
		int	count,
		MPI_Datatype	datatype,
		MPI_Status *	status
	)

MPI wrapper for MPI_File_write.

Definition at line 264 of file wrapper.cpp.

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◆ File_write_all()

void shamcomm::mpi::File_write_all	(	MPI_File	fh,
		const void *	buf,
		int	count,
		MPI_Datatype	datatype,
		MPI_Status *	status
	)

MPI wrapper for MPI_File_write_all.

Definition at line 256 of file wrapper.cpp.

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◆ File_write_at()

void shamcomm::mpi::File_write_at	(	MPI_File	fh,
		MPI_Offset	offset,
		const void *	buf,
		int	count,
		MPI_Datatype	datatype,
		MPI_Status *	status
	)

MPI wrapper for MPI_File_write_at.

Definition at line 279 of file wrapper.cpp.

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◆ Gather()

void shamcomm::mpi::Gather	(	const void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int	recvcount,
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

MPI wrapper for MPI_Gather.

Definition at line 326 of file wrapper.cpp.

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◆ Gatherv()

void shamcomm::mpi::Gatherv	(	const void *	sendbuf,
		int	sendcount,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		const int	recvcounts[],
		const int	displs[],
		MPI_Datatype	recvtype,
		int	root,
		MPI_Comm	comm
	)

MPI wrapper for MPI_Gatherv.

Definition at line 342 of file wrapper.cpp.

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◆ Get_count()

void shamcomm::mpi::Get_count	(	const MPI_Status *	status,
		MPI_Datatype	datatype,
		int *	count
	)

MPI wrapper for MPI_Get_count.

Definition at line 222 of file wrapper.cpp.

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◆ get_possible_keys()

const std::vector< std::string > & shamcomm::mpi::get_possible_keys ( )

return all possible keys for the internal timers

Definition at line 60 of file wrapper.cpp.

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◆ get_timer()

f64 shamcomm::mpi::get_timer ( std::string timername )

get a timer value

Definition at line 44 of file wrapper.cpp.

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◆ get_timers()

const std::unordered_map< std::string, f64 > & shamcomm::mpi::get_timers ( )

return all internal timers

Definition at line 46 of file wrapper.cpp.

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◆ Irecv()

void shamcomm::mpi::Irecv	(	void *	buf,
		int	count,
		MPI_Datatype	datatype,
		int	source,
		int	tag,
		MPI_Comm	comm,
		MPI_Request *	request
	)

MPI wrapper for MPI_Irecv.

Definition at line 102 of file wrapper.cpp.

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◆ Isend()

void shamcomm::mpi::Isend	(	const void *	buf,
		int	count,
		MPI_Datatype	datatype,
		int	dest,
		int	tag,
		MPI_Comm	comm,
		MPI_Request *	request
	)

MPI wrapper for MPI_Isend.

Definition at line 85 of file wrapper.cpp.

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◆ Probe()

void shamcomm::mpi::Probe	(	int	source,
		int	tag,
		MPI_Comm	comm,
		MPI_Status *	status
	)

MPI wrapper for MPI_Probe.

Definition at line 201 of file wrapper.cpp.

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◆ Recv()

void shamcomm::mpi::Recv	(	void *	buf,
		int	count,
		MPI_Datatype	datatype,
		int	source,
		int	tag,
		MPI_Comm	comm,
		MPI_Status *	status
	)

MPI wrapper for MPI_Recv.

Definition at line 208 of file wrapper.cpp.

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◆ register_time()

void shamcomm::mpi::register_time	(	std::string	timername,
		f64	time
	)

Register a timer value.

Definition at line 33 of file wrapper.cpp.

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◆ Send()

void shamcomm::mpi::Send	(	const void *	buf,
		int	count,
		MPI_Datatype	datatype,
		int	dest,
		int	tag,
		MPI_Comm	comm
	)

MPI wrapper for MPI_Send.

Definition at line 229 of file wrapper.cpp.

◆ Test()

void shamcomm::mpi::Test	(	MPI_Request *	request,
		int *	flag,
		MPI_Status *	status
	)

MPI wrapper for MPI_Test.

Definition at line 319 of file wrapper.cpp.

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◆ Type_size()

void shamcomm::mpi::Type_size	(	MPI_Datatype	type,
		int *	size
	)

MPI wrapper for MPI_Type_size.

Definition at line 249 of file wrapper.cpp.

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◆ Wait()

void shamcomm::mpi::Wait	(	MPI_Request *	request,
		MPI_Status *	status
	)

MPI wrapper for MPI_Wait.

Definition at line 180 of file wrapper.cpp.

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◆ Waitall()

void shamcomm::mpi::Waitall	(	int	count,
		MPI_Request	array_of_requests[],
		MPI_Status *	array_of_statuses
	)

MPI wrapper for MPI_Waitall.

Definition at line 187 of file wrapper.cpp.

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Namespaces

Functions

Detailed Description

Function Documentation

◆ Allgather()

◆ Allgatherv()

◆ Allreduce()

◆ Barrier()

◆ Exscan()

◆ File_close()

◆ File_open()

◆ File_read()

◆ File_read_at()

◆ File_set_view()

◆ File_write()

◆ File_write_all()

◆ File_write_at()

◆ Gather()

◆ Gatherv()

◆ Get_count()

◆ get_possible_keys()

◆ get_timer()

◆ get_timers()

◆ Irecv()

◆ Isend()

◆ Probe()

◆ Recv()

◆ register_time()

◆ Send()

◆ Test()

◆ Type_size()

◆ Wait()

◆ Waitall()