amrex::ParallelContext Namespace Reference

Classes
class	Frame

Functions
MPI_Comm	CommunicatorAll () noexcept
	world communicator
MPI_Group	GroupAll () noexcept
	world group
int	NProcsAll () noexcept
	number of ranks in world communicator
int	MyProcAll () noexcept
	my rank in world communicator
int	IOProcessorNumberAll () noexcept
	IO rank in world communicator.
bool	IOProcessorAll () noexcept
	Am IO processor for world communicator?
std::ofstream *	OFSPtrAll () noexcept
	Pointer to ofstream.
MPI_Comm	CommunicatorSub () noexcept
	sub-communicator for current frame
MPI_Group	GroupSub () noexcept
	sub-group for current frame
int	NProcsSub () noexcept
	number of ranks in current frame
int	MyProcSub () noexcept
	my sub-rank in current frame
int	IOProcessorNumberSub () noexcept
	IO sub-rank in current frame.
bool	IOProcessorSub () noexcept
	Am IO processor for current frame?
std::ofstream *	OFSPtrSub () noexcept
	Pointer to ofstream.
void	BarrierSub () noexcept
void	BarrierAll () noexcept
int	get_inc_mpi_tag () noexcept
	get and increment mpi tag in current frame
int	local_to_global_rank (int rank) noexcept
	translate between local rank and global rank
void	local_to_global_rank (int *global, const int *local, int n) noexcept
int	global_to_local_rank (int rank) noexcept
void	global_to_local_rank (int *local, const int *global, int n) noexcept
void	push (MPI_Comm c)
void	push (MPI_Comm c, int id, int io_rank)
void	set_last_frame_ofs (const std::string &filename)
void	pop ()
	Note that it's the user's responsibility to free the MPI_Comm.

Variables
Vector< Frame >	frames
	stack of communicator frames

Function Documentation

BarrierAll()

void amrex::ParallelContext::BarrierAll ( )

inlinenoexcept

BarrierSub()

void amrex::ParallelContext::BarrierSub ( )

inlinenoexcept

CommunicatorAll()

MPI_Comm amrex::ParallelContext::CommunicatorAll ( )

inlinenoexcept

world communicator

CommunicatorSub()

MPI_Comm amrex::ParallelContext::CommunicatorSub ( )

inlinenoexcept

sub-communicator for current frame

get_inc_mpi_tag()

int amrex::ParallelContext::get_inc_mpi_tag ( )

inlinenoexcept

get and increment mpi tag in current frame

global_to_local_rank() [1/2]

void amrex::ParallelContext::global_to_local_rank ( int *  local, const int *  global, int  n  )

inlinenoexcept

global_to_local_rank() [2/2]

int amrex::ParallelContext::global_to_local_rank ( int  rank )

inlinenoexcept

GroupAll()

MPI_Group amrex::ParallelContext::GroupAll ( )

inlinenoexcept

world group

GroupSub()

MPI_Group amrex::ParallelContext::GroupSub ( )

inlinenoexcept

sub-group for current frame

IOProcessorAll()

bool amrex::ParallelContext::IOProcessorAll ( )

inlinenoexcept

Am IO processor for world communicator?

IOProcessorNumberAll()

int amrex::ParallelContext::IOProcessorNumberAll ( )

inlinenoexcept

IO rank in world communicator.

IOProcessorNumberSub()

int amrex::ParallelContext::IOProcessorNumberSub ( )

inlinenoexcept

IO sub-rank in current frame.

IOProcessorSub()

bool amrex::ParallelContext::IOProcessorSub ( )

inlinenoexcept

Am IO processor for current frame?

local_to_global_rank() [1/2]

void amrex::ParallelContext::local_to_global_rank ( int *  global, const int *  local, int  n  )

inlinenoexcept

local_to_global_rank() [2/2]

int amrex::ParallelContext::local_to_global_rank ( int  rank )

inlinenoexcept

translate between local rank and global rank

MyProcAll()

int amrex::ParallelContext::MyProcAll ( )

inlinenoexcept

my rank in world communicator

MyProcSub()

int amrex::ParallelContext::MyProcSub ( )

inlinenoexcept

my sub-rank in current frame

NProcsAll()

int amrex::ParallelContext::NProcsAll ( )

inlinenoexcept

number of ranks in world communicator

NProcsSub()

int amrex::ParallelContext::NProcsSub ( )

inlinenoexcept

number of ranks in current frame

OFSPtrAll()

std::ofstream * amrex::ParallelContext::OFSPtrAll ( )

inlinenoexcept

Pointer to ofstream.

OFSPtrSub()

std::ofstream * amrex::ParallelContext::OFSPtrSub ( )

inlinenoexcept

Pointer to ofstream.

pop()

void amrex::ParallelContext::pop ( )

inline

Note that it's the user's responsibility to free the MPI_Comm.

push() [1/2]

void amrex::ParallelContext::push ( MPI_Comm  c )

inline

push() [2/2]

void amrex::ParallelContext::push ( MPI_Comm  c, int  id, int  io_rank  )

inline

set_last_frame_ofs()

void amrex::ParallelContext::set_last_frame_ofs ( const std::string &  filename )

inline

Variable Documentation

frames

AMREX_EXPORT Vector< Frame > amrex::ParallelContext::frames

stack of communicator frames