mpi4py.MPI.Prequest

class mpi4py.MPI.Prequest

Bases: Request

Persistent request handler.

static __new__(cls, request=None)

Parameters:

request (Prequest | None) –

Return type:

Prequest

Methods Summary

Parrived(partition)	Test partial completion of a partitioned receive operation.
Pready(partition)	Mark a given partition as ready.
Pready_list(partitions)	Mark a sequence of partitions as ready.
Pready_range(partition_low, partition_high)	Mark a range of partitions as ready.
Start()	Initiate a communication with a persistent request.
Startall(requests)	Start a collection of persistent requests.

Methods Documentation

Parrived(partition)

Test partial completion of a partitioned receive operation.

Parameters:

partition (int) –

Return type:

bool

Pready(partition)

Mark a given partition as ready.

Parameters:

partition (int) –

Return type:

None

Pready_list(partitions)

Mark a sequence of partitions as ready.

Parameters:

partitions (Sequence[int]) –

Return type:

None

Pready_range(partition_low, partition_high)

Mark a range of partitions as ready.

Parameters:

• partition_low (int) –

• partition_high (int) –

Return type:

None

Start()

Initiate a communication with a persistent request.

Return type:

None

classmethod Startall(requests)

Start a collection of persistent requests.

Parameters:

requests (list[Prequest]) –

Return type:

None