mpi4py.MPI.Op

class mpi4py.MPI.Op

Bases: object

Reduction operation.

static __new__(cls, op=None)
Parameters:

op (Op | None) –

Return type:

Self

Methods Summary

Create(function[, commute])

Create a user-defined reduction operation.

Free()

Free a user-defined reduction operation.

Is_commutative()

Query reduction operations for their commutativity.

Reduce_local(inbuf, inoutbuf)

Apply a reduction operation to local data.

f2py(arg)

fromhandle(handle)

Create object from MPI handle.

py2f()

Attributes Summary

handle

MPI handle.

is_commutative

Is a commutative operation.

is_predefined

Is a predefined operation.

Methods Documentation

classmethod Create(function, commute=False)

Create a user-defined reduction operation.

Parameters:
Return type:

Self

Free()

Free a user-defined reduction operation.

Return type:

None

Is_commutative()

Query reduction operations for their commutativity.

Return type:

bool

Reduce_local(inbuf, inoutbuf)

Apply a reduction operation to local data.

Parameters:
Return type:

None

classmethod f2py(arg)
Parameters:

arg (int) –

Return type:

Op

classmethod fromhandle(handle)

Create object from MPI handle.

Parameters:

handle (int) –

Return type:

Op

py2f()
Return type:

int

Attributes Documentation

handle

MPI handle.

is_commutative

Is a commutative operation.

is_predefined

Is a predefined operation.