mpi4py.MPI.Session

class mpi4py.MPI.Session

Bases: object

Session context.

static __new__(cls, session=None)

Parameters:: session (Session | None) –
Return type:: Self

Methods Summary

`Attach_buffer`(buf)	Attach a user-provided buffer for sending in buffered mode.
`Call_errhandler`(errorcode)	Call the error handler installed on a session.
`Create_errhandler`(errhandler_fn)	Create a new error handler for sessions.
`Create_group`(pset_name)	Create a new group from session and process set.
`Detach_buffer`()	Remove an existing attached buffer.
`Finalize`()	Finalize a session.
`Flush_buffer`()	Block until all buffered messages have been transmitted.
`Get_errhandler`()	Get the error handler for a session.
`Get_info`()	Return the current hints for a session.
`Get_nth_pset`(n[, info])	Name of the n-th process set.
`Get_num_psets`([info])	Number of available process sets.
`Get_pset_info`(pset_name)	Return the current hints for a session and process set.
`Iflush_buffer`()	Nonblocking flush for buffered messages.
`Init`([info, errhandler])	Create a new session.
`Set_errhandler`(errhandler)	Set the error handler for a session.
`f2py`(arg)
`free`()	Call `Finalize` if not null.
`fromhandle`(handle)	Create object from MPI handle.
`py2f`()

Attributes Summary

handle

MPI handle.

Methods Documentation

Attach_buffer(buf)

Attach a user-provided buffer for sending in buffered mode.

Parameters:: buf (Buffer | None) –
Return type:: None

Call_errhandler(errorcode)

Call the error handler installed on a session.

Parameters:: errorcode (int) –
Return type:: None

classmethod Create_errhandler(errhandler_fn)

Create a new error handler for sessions.

Parameters:: errhandler_fn (Callable[[Session, int], None]) –
Return type:: Errhandler

Create_group(pset_name)

Create a new group from session and process set.

Parameters:: pset_name (str) –
Return type:: Group

Detach_buffer()

Remove an existing attached buffer.

Return type:: Buffer | None

Finalize()

Finalize a session.

Return type:: None

Flush_buffer()

Block until all buffered messages have been transmitted.

Return type:: None

Get_errhandler()

Get the error handler for a session.

Return type:: Errhandler

Get_info()

Return the current hints for a session.

Return type:: Info

Get_nth_pset(n, info=INFO_NULL)

Name of the n-th process set.

Parameters:

n (int) –
info (Info) –

Return type:

str

Get_num_psets(info=INFO_NULL)

Number of available process sets.

Parameters:: info (Info) –
Return type:: int

Get_pset_info(pset_name)

Return the current hints for a session and process set.

Parameters:: pset_name (str) –
Return type:: Info

Iflush_buffer()

Nonblocking flush for buffered messages.

Return type:: Request

classmethod Init(info=INFO_NULL, errhandler=None)

Create a new session.

Parameters:

info (Info) –
errhandler (Errhandler | None) –

Return type:

Self

Set_errhandler(errhandler)

Set the error handler for a session.

Parameters:: errhandler (Errhandler) –
Return type:: None

classmethod f2py(arg)

Parameters:: arg (int) –
Return type:: Session

free()

Call Finalize if not null.

Return type:: None

classmethod fromhandle(handle)

Create object from MPI handle.

Parameters:: handle (int) –
Return type:: Session

py2f()

Return type:: int

Attributes Documentation

handle: MPI handle.