AMReX_ParallelContext.H File Reference

#include <AMReX_Config.H>
#include <AMReX_Extension.H>
#include <AMReX_Vector.H>
#include <AMReX_ccse-mpi.H>
#include <iosfwd>
#include <memory>

Go to the source code of this file.

Classes
class	amrex::ParallelContext::Frame

Namespaces
namespace	amrex
namespace	amrex::ParallelContext

Functions
MPI_Comm	amrex::ParallelContext::CommunicatorAll () noexcept
	world communicator
MPI_Group	amrex::ParallelContext::GroupAll () noexcept
	world group
int	amrex::ParallelContext::NProcsAll () noexcept
	number of ranks in world communicator
int	amrex::ParallelContext::MyProcAll () noexcept
	my rank in world communicator
int	amrex::ParallelContext::IOProcessorNumberAll () noexcept
	IO rank in world communicator.
bool	amrex::ParallelContext::IOProcessorAll () noexcept
	Am IO processor for world communicator?
std::ofstream *	amrex::ParallelContext::OFSPtrAll () noexcept
	Pointer to ofstream.
MPI_Comm	amrex::ParallelContext::CommunicatorSub () noexcept
	sub-communicator for current frame
MPI_Group	amrex::ParallelContext::GroupSub () noexcept
	sub-group for current frame
int	amrex::ParallelContext::NProcsSub () noexcept
	number of ranks in current frame
int	amrex::ParallelContext::MyProcSub () noexcept
	my sub-rank in current frame
int	amrex::ParallelContext::IOProcessorNumberSub () noexcept
	IO sub-rank in current frame.
bool	amrex::ParallelContext::IOProcessorSub () noexcept
	Am IO processor for current frame?
std::ofstream *	amrex::ParallelContext::OFSPtrSub () noexcept
	Pointer to ofstream.
void	amrex::ParallelContext::BarrierSub () noexcept
void	amrex::ParallelContext::BarrierAll () noexcept
bool	amrex::ParallelContext::in_sub_frame () noexcept
	Is a sub-communicator frame pushed? If not, rank translation is the identity.
int	amrex::ParallelContext::get_inc_mpi_tag () noexcept
	get and increment mpi tag in current frame
int	amrex::ParallelContext::local_to_global_rank (int rank) noexcept
	translate between local rank and global rank
void	amrex::ParallelContext::local_to_global_rank (int *global, const int *local, int n) noexcept
int	amrex::ParallelContext::global_to_local_rank (int rank) noexcept
void	amrex::ParallelContext::global_to_local_rank (int *local, const int *global, int n) noexcept
void	amrex::ParallelContext::push (MPI_Comm c)
void	amrex::ParallelContext::push (MPI_Comm c, int id, int io_rank)
void	amrex::ParallelContext::set_last_frame_ofs (const std::string &filename)
void	amrex::ParallelContext::pop ()
	Note that it's the user's responsibility to free the MPI_Comm.