mpi4py.MPI.Request

class mpi4py.MPI.Request

Bases: object

Request handler.

static __new__(cls, request=None)

Parameters:

request (Request | None)

Return type:

Self

Methods Summary

Cancel()	Cancel a request.
Free()	Free a communication request.
Get_status([status])	Non-destructive test for the completion of a request.
Get_status_all(requests[, statuses])	Non-destructive test for the completion of all requests.
Get_status_any(requests[, status])	Non-destructive test for the completion of any requests.
Get_status_some(requests[, statuses])	Non-destructive test for completion of some requests.
Test([status])	Test for the completion of a non-blocking operation.
Testall(requests[, statuses])	Test for completion of all previously initiated requests.
Testany(requests[, status])	Test for completion of any previously initiated request.
Testsome(requests[, statuses])	Test for completion of some previously initiated requests.
Wait([status])	Wait for a non-blocking operation to complete.
Waitall(requests[, statuses])	Wait for all previously initiated requests to complete.
Waitany(requests[, status])	Wait for any previously initiated request to complete.
Waitsome(requests[, statuses])	Wait for some previously initiated requests to complete.
cancel()	Cancel a request.
f2py(arg)
free()	Call Free if not null.
fromhandle(handle)	Create object from MPI handle.
get_status([status])	Non-destructive test for the completion of a request.
get_status_all(requests[, statuses])	Non-destructive test for the completion of all requests.
get_status_any(requests[, status])	Non-destructive test for the completion of any requests.
get_status_some(requests[, statuses])	Non-destructive test for completion of some requests.
py2f()
test([status])	Test for the completion of a non-blocking operation.
testall(requests[, statuses])	Test for completion of all previously initiated requests.
testany(requests[, status])	Test for completion of any previously initiated request.
testsome(requests[, statuses])	Test for completion of some previously initiated requests.
wait([status])	Wait for a non-blocking operation to complete.
waitall(requests[, statuses])	Wait for all previously initiated requests to complete.
waitany(requests[, status])	Wait for any previously initiated request to complete.
waitsome(requests[, statuses])	Wait for some previously initiated requests to complete.

Attributes Summary

handle

MPI handle.

Methods Documentation

Cancel()

Cancel a request.

Return type:

None

Free()

Free a communication request.

Return type:

None

Get_status(status=None)

Non-destructive test for the completion of a request.

Parameters:

status (Status | None)

Return type:

bool

classmethod Get_status_all(requests, statuses=None)

Non-destructive test for the completion of all requests.

Parameters:

• requests (Sequence[Request])

• statuses (list[Status] | None)

Return type:

bool

classmethod Get_status_any(requests, status=None)

Non-destructive test for the completion of any requests.

Parameters:

• requests (Sequence[Request])

• status (Status | None)

Return type:

tuple[int, bool]

classmethod Get_status_some(requests, statuses=None)

Non-destructive test for completion of some requests.

Parameters:

• requests (Sequence[Request])

• statuses (list[Status] | None)

Return type:

list[int] | None

Test(status=None)

Test for the completion of a non-blocking operation.

Parameters:

status (Status | None)

Return type:

bool

classmethod Testall(requests, statuses=None)

Test for completion of all previously initiated requests.

Parameters:

• requests (Sequence[Request])

• statuses (list[Status] | None)

Return type:

bool

classmethod Testany(requests, status=None)

Test for completion of any previously initiated request.

Parameters:

• requests (Sequence[Request])

• status (Status | None)

Return type:

tuple[int, bool]

classmethod Testsome(requests, statuses=None)

Test for completion of some previously initiated requests.

Parameters:

• requests (Sequence[Request])

• statuses (list[Status] | None)

Return type:

list[int] | None

Wait(status=None)

Wait for a non-blocking operation to complete.

Parameters:

status (Status | None)

Return type:

Literal[True]

classmethod Waitall(requests, statuses=None)

Wait for all previously initiated requests to complete.

Parameters:

• requests (Sequence[Request])

• statuses (list[Status] | None)

Return type:

Literal[True]

classmethod Waitany(requests, status=None)

Wait for any previously initiated request to complete.

Parameters:

• requests (Sequence[Request])

• status (Status | None)

Return type:

int

classmethod Waitsome(requests, statuses=None)

Wait for some previously initiated requests to complete.

Parameters:

• requests (Sequence[Request])

• statuses (list[Status] | None)

Return type:

list[int] | None

cancel()

Cancel a request.

Return type:

None

classmethod f2py(arg)

Parameters:

arg (int)

Return type:

Request

free()

Call Free if not null.

Return type:

None

classmethod fromhandle(handle)

Create object from MPI handle.

Parameters:

handle (int)

Return type:

Request

get_status(status=None)

Non-destructive test for the completion of a request.

Parameters:

status (Status | None)

Return type:

bool

classmethod get_status_all(requests, statuses=None)

Non-destructive test for the completion of all requests.

Parameters:

• requests (Sequence[Request])

• statuses (list[Status] | None)

Return type:

bool

classmethod get_status_any(requests, status=None)

Non-destructive test for the completion of any requests.

Parameters:

• requests (Sequence[Request])

• status (Status | None)

Return type:

tuple[int, bool]

classmethod get_status_some(requests, statuses=None)

Non-destructive test for completion of some requests.

Parameters:

• requests (Sequence[Request])

• statuses (list[Status] | None)

Return type:

list[int] | None

py2f()

Return type:

int

test(status=None)

Test for the completion of a non-blocking operation.

Parameters:

status (Status | None)

Return type:

tuple[bool, Any | None]

classmethod testall(requests, statuses=None)

Test for completion of all previously initiated requests.

Parameters:

• requests (Sequence[Request])

• statuses (list[Status] | None)

Return type:

tuple[bool, list[Any] | None]

classmethod testany(requests, status=None)

Test for completion of any previously initiated request.

Parameters:

• requests (Sequence[Request])

• status (Status | None)

Return type:

tuple[int, bool, Any | None]

classmethod testsome(requests, statuses=None)

Test for completion of some previously initiated requests.

Parameters:

• requests (Sequence[Request])

• statuses (list[Status] | None)

Return type:

tuple[list[int] | None, list[Any] | None]

wait(status=None)

Wait for a non-blocking operation to complete.

Parameters:

status (Status | None)

Return type:

Any

classmethod waitall(requests, statuses=None)

Wait for all previously initiated requests to complete.

Parameters:

• requests (Sequence[Request])

• statuses (list[Status] | None)

Return type:

list[Any]

classmethod waitany(requests, status=None)

Wait for any previously initiated request to complete.

Parameters:

• requests (Sequence[Request])

• status (Status | None)

Return type:

tuple[int, Any]

classmethod waitsome(requests, statuses=None)

Wait for some previously initiated requests to complete.

Parameters:

• requests (Sequence[Request])

• statuses (list[Status] | None)

Return type:

tuple[list[int] | None, list[Any] | None]

Attributes Documentation

handle

MPI handle.