tenzr::execution::Communicator¶

Process-group communication handle exposing its rank, its size, and a barrier.

#include <collective.h>

Public Functions¶

Public Functions Documentation¶

function Communicator¶

Communicator(
    int rank,
    int size
)

Parameters:

• rank This process's rank, in [0, size).
• size Total number of ranks, at least 1.

Create a communicator for a given rank and world size.

function ~Communicator¶

virtual ~Communicator() =default

function Rank¶

inline int Rank() const

Rank of this process within the group.

function Size¶

inline int Size() const

Number of processes in the group.

function Barrier¶

virtual void Barrier() const

Synchronize all processes in the group.

Synchronize all ranks; currently a no-op for the in-process communicator.

function World¶

static Communicator & World()

Access the default world communicator.

Return: Reference to the process-wide Communicator.

Get the singleton world communicator.