Package mpi4py :: Module MPI
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Module MPI

Message Passing Interface
Classes [hide private]
  Cartcomm
Cartesian topology intracommunicator
  Comm
Communicator
  Datatype
Datatype
  Distgraphcomm
Distributed graph topology intracommunicator
  Errhandler
Error Handler
  Exception
Exception
  File
File
  Graphcomm
General graph topology intracommunicator
  Grequest
Generalized request
  Group
Group
  Info
Info
  Intercomm
Intercommunicator
  Intracomm
Intracommunicator
  Op
Op
  Prequest
Persistent request
  Request
Request
  Status
Status
  Win
Window
  _p_Pickle
  _p_greq
  _p_msg_cco
  _p_msg_io
  _p_msg_p2p
  _p_msg_rma
Functions [hide private]
 
Add_error_class()
Add an error class to the known error classes
 
Add_error_code(int errorclass)
Add an error code to an error class
 
Add_error_string(int errorcode, string)
Associate an error string with an error class or errorcode
 
Alloc_mem(Aint size, Info info=INFO_NULL)
Allocate memory for message passing and RMA
 
Attach_buffer(memory)
Attach a user-provided buffer for sending in buffered mode
 
Close_port(port_name, Info info=INFO_NULL)
Close a port
 
Compute_dims(int nnodes, dims)
Return a balanced distribution of processes per coordinate direction
 
Detach_buffer()
Remove an existing attached buffer
 
Finalize()
Terminate the MPI execution environment
 
Free_mem(memory)
Free memory allocated with Alloc_mem()
 
Get_address(location)
Get the address of a location in memory
 
Get_error_class(int errorcode)
Convert an error code into an error class
 
Get_error_string(int errorcode)
Return the error string for a given error class or error code
 
Get_processor_name()
Obtain the name of the calling processor
 
Get_version()
Obtain the version number of the MPI standard supported by the implementation as a tuple (version, subversion)
 
Init()
Initialize the MPI execution environment
 
Init_thread(int required=THREAD_MULTIPLE)
Initialize the MPI execution environment
 
Is_finalized()
Indicates whether Finalize has completed
 
Is_initialized()
Indicates whether Init has been called
 
Is_thread_main()
Indicate whether this thread called Init or Init_thread
 
Lookup_name(service_name, Info info=INFO_NULL)
Lookup a port name given a service name
 
Open_port(Info info=INFO_NULL)
Return an address that can be used to establish connections between groups of MPI processes
 
Pcontrol(int level)
Control profiling
 
Publish_name(service_name, Info info, port_name)
Publish a service name
 
Query_thread()
Return the level of thread support provided by the MPI library
 
Unpublish_name(service_name, Info info, port_name)
Unpublish a service name
 
Wtick()
Return the resolution of Wtime
 
Wtime()
Return an elapsed time on the calling processor
 
get_vendor()
Infomation about the underlying MPI implementation
Variables [hide private]
  AINT = <mpi4py.MPI.Datatype object at 0xb77d5180>
  ANY_SOURCE = -2
  ANY_TAG = -1
  APPNUM = 1681915917
  BAND = <mpi4py.MPI.Op object at 0xb77b3950>
  BOOL = <mpi4py.MPI.Datatype object at 0xb77d5290>
  BOR = <mpi4py.MPI.Op object at 0xb77b3ef0>
  BOTTOM = 0
  BSEND_OVERHEAD = 56
  BXOR = <mpi4py.MPI.Op object at 0xb77b3d58>
  BYTE = <mpi4py.MPI.Datatype object at 0xb77d5170>
  CART = 2
  CHAR = <mpi4py.MPI.Datatype object at 0xb77d51a0>
  CHARACTER = <mpi4py.MPI.Datatype object at 0xb77d53c0>
  COMBINER_CONTIGUOUS = 3
  COMBINER_DARRAY = 14
  COMBINER_DUP = 2
  COMBINER_F90_COMPLEX = 16
  COMBINER_F90_INTEGER = 17
  COMBINER_F90_REAL = 15
  COMBINER_HINDEXED = 9
  COMBINER_HINDEXED_INTEGER = 8
  COMBINER_HVECTOR = 6
  COMBINER_HVECTOR_INTEGER = 5
  COMBINER_INDEXED = 7
  COMBINER_INDEXED_BLOCK = 10
  COMBINER_NAMED = 1
  COMBINER_RESIZED = 18
  COMBINER_STRUCT = 12
  COMBINER_STRUCT_INTEGER = 11
  COMBINER_SUBARRAY = 13
  COMBINER_VECTOR = 4
  COMM_NULL = <mpi4py.MPI.Comm object at 0xb77d5570>
  COMM_SELF = <mpi4py.MPI.Intracomm object at 0xb77d5580>
  COMM_WORLD = <mpi4py.MPI.Intracomm object at 0xb77d5590>
  COMPLEX = <mpi4py.MPI.Datatype object at 0xb77d5410>
  COMPLEX16 = <mpi4py.MPI.Datatype object at 0xb77d5520>
  COMPLEX32 = <mpi4py.MPI.Datatype object at 0xb77d5530>
  COMPLEX4 = <mpi4py.MPI.Datatype object at 0xb77d5500>
  COMPLEX8 = <mpi4py.MPI.Datatype object at 0xb77d5510>
  CONGRUENT = 1
  C_BOOL = <mpi4py.MPI.Datatype object at 0xb77d5290>
  C_COMPLEX = <mpi4py.MPI.Datatype object at 0xb77d5320>
  C_DOUBLE_COMPLEX = <mpi4py.MPI.Datatype object at 0xb77d5340>
  C_FLOAT_COMPLEX = <mpi4py.MPI.Datatype object at 0xb77d5330>
  C_LONG_DOUBLE_COMPLEX = <mpi4py.MPI.Datatype object at 0xb77d5...
  DATATYPE_NULL = <mpi4py.MPI.Datatype object at 0xb77d5130>
  DISPLACEMENT_CURRENT = -54278278
  DISP_CUR = -54278278
  DISTRIBUTE_BLOCK = 121
  DISTRIBUTE_CYCLIC = 122
  DISTRIBUTE_DFLT_DARG = -49767
  DISTRIBUTE_NONE = 123
  DIST_GRAPH = 3
  DOUBLE = <mpi4py.MPI.Datatype object at 0xb77d5270>
  DOUBLE_COMPLEX = <mpi4py.MPI.Datatype object at 0xb77d5420>
  DOUBLE_INT = <mpi4py.MPI.Datatype object at 0xb77d53a0>
  DOUBLE_PRECISION = <mpi4py.MPI.Datatype object at 0xb77d5400>
  ERRHANDLER_NULL = <mpi4py.MPI.Errhandler object at 0xb77d5100>
  ERRORS_ARE_FATAL = <mpi4py.MPI.Errhandler object at 0xb77d5120>
  ERRORS_RETURN = <mpi4py.MPI.Errhandler object at 0xb77d5110>
  ERR_ACCESS = 20
  ERR_AMODE = 21
  ERR_ARG = 12
  ERR_ASSERT = 53
  ERR_BAD_FILE = 22
  ERR_BASE = 46
  ERR_BUFFER = 1
  ERR_COMM = 5
  ERR_CONVERSION = 23
  ERR_COUNT = 2
  ERR_DIMS = 11
  ERR_DISP = 52
  ERR_DUP_DATAREP = 24
  ERR_FILE = 27
  ERR_FILE_EXISTS = 25
  ERR_FILE_IN_USE = 26
  ERR_GROUP = 8
  ERR_INFO = 28
  ERR_INFO_KEY = 29
  ERR_INFO_NOKEY = 31
  ERR_INFO_VALUE = 30
  ERR_INTERN = 16
  ERR_IN_STATUS = 17
  ERR_IO = 32
  ERR_KEYVAL = 48
  ERR_LASTCODE = 1073741823
  ERR_LOCKTYPE = 47
  ERR_NAME = 33
  ERR_NOT_SAME = 35
  ERR_NO_MEM = 34
  ERR_NO_SPACE = 36
  ERR_NO_SUCH_FILE = 37
  ERR_OP = 9
  ERR_OTHER = 15
  ERR_PENDING = 18
  ERR_PORT = 38
  ERR_QUOTA = 39
  ERR_RANK = 6
  ERR_READ_ONLY = 40
  ERR_REQUEST = 19
  ERR_RMA_CONFLICT = 49
  ERR_RMA_SYNC = 50
  ERR_ROOT = 7
  ERR_SERVICE = 41
  ERR_SIZE = 51
  ERR_SPAWN = 42
  ERR_TAG = 4
  ERR_TOPOLOGY = 10
  ERR_TRUNCATE = 14
  ERR_TYPE = 3
  ERR_UNKNOWN = 13
  ERR_UNSUPPORTED_DATAREP = 43
  ERR_UNSUPPORTED_OPERATION = 44
  ERR_WIN = 45
  FILE_NULL = <mpi4py.MPI.File object at 0xb77d55c0>
  FLOAT = <mpi4py.MPI.Datatype object at 0xb77d5260>
  FLOAT_INT = <mpi4py.MPI.Datatype object at 0xb77d5390>
  F_BOOL = <mpi4py.MPI.Datatype object at 0xb77d53d0>
  F_COMPLEX = <mpi4py.MPI.Datatype object at 0xb77d5410>
  F_DOUBLE = <mpi4py.MPI.Datatype object at 0xb77d5400>
  F_DOUBLE_COMPLEX = <mpi4py.MPI.Datatype object at 0xb77d5420>
  F_FLOAT = <mpi4py.MPI.Datatype object at 0xb77d53f0>
  F_FLOAT_COMPLEX = <mpi4py.MPI.Datatype object at 0xb77d5410>
  F_INT = <mpi4py.MPI.Datatype object at 0xb77d53e0>
  GRAPH = 1
  GROUP_EMPTY = <mpi4py.MPI.Group object at 0xb77d5560>
  GROUP_NULL = <mpi4py.MPI.Group object at 0xb77d5550>
  HOST = 1681915907
  IDENT = 0
  INFO_NULL = <mpi4py.MPI.Info object at 0xb77d5540>
  INT = <mpi4py.MPI.Datatype object at 0xb77d51e0>
  INT16_T = <mpi4py.MPI.Datatype object at 0xb77d52b0>
  INT32_T = <mpi4py.MPI.Datatype object at 0xb77d52c0>
  INT64_T = <mpi4py.MPI.Datatype object at 0xb77d52d0>
  INT8_T = <mpi4py.MPI.Datatype object at 0xb77d52a0>
  INTEGER = <mpi4py.MPI.Datatype object at 0xb77d53e0>
  INTEGER1 = <mpi4py.MPI.Datatype object at 0xb77d5470>
  INTEGER16 = <mpi4py.MPI.Datatype object at 0xb77d54b0>
  INTEGER2 = <mpi4py.MPI.Datatype object at 0xb77d5480>
  INTEGER4 = <mpi4py.MPI.Datatype object at 0xb77d5490>
  INTEGER8 = <mpi4py.MPI.Datatype object at 0xb77d54a0>
  INT_INT = <mpi4py.MPI.Datatype object at 0xb77d5370>
  IN_PLACE = -1
  IO = 1681915909
  KEYVAL_INVALID = 603979776
  LAND = <mpi4py.MPI.Op object at 0xb77b3d70>
  LASTUSEDCODE = 1681915915
  LB = <mpi4py.MPI.Datatype object at 0xb77d5150>
  LOCK_EXCLUSIVE = 234
  LOCK_SHARED = 235
  LOGICAL = <mpi4py.MPI.Datatype object at 0xb77d53d0>
  LOGICAL1 = <mpi4py.MPI.Datatype object at 0xb77d5430>
  LOGICAL2 = <mpi4py.MPI.Datatype object at 0xb77d5440>
  LOGICAL4 = <mpi4py.MPI.Datatype object at 0xb77d5450>
  LOGICAL8 = <mpi4py.MPI.Datatype object at 0xb77d5460>
  LONG = <mpi4py.MPI.Datatype object at 0xb77d51f0>
  LONG_DOUBLE = <mpi4py.MPI.Datatype object at 0xb77d5280>
  LONG_DOUBLE_INT = <mpi4py.MPI.Datatype object at 0xb77d53b0>
  LONG_INT = <mpi4py.MPI.Datatype object at 0xb77d5380>
  LONG_LONG = <mpi4py.MPI.Datatype object at 0xb77d5200>
  LOR = <mpi4py.MPI.Op object at 0xb77b3b78>
  LXOR = <mpi4py.MPI.Op object at 0xb77b3bc0>
  MAX = <mpi4py.MPI.Op object at 0xb77b3a10>
  MAXLOC = <mpi4py.MPI.Op object at 0xb77b3f08>
  MAX_DATAREP_STRING = 128
  MAX_ERROR_STRING = 1024
  MAX_INFO_KEY = 255
  MAX_INFO_VAL = 1024
  MAX_OBJECT_NAME = 128
  MAX_PORT_NAME = 256
  MAX_PROCESSOR_NAME = 128
  MIN = <mpi4py.MPI.Op object at 0xb77b3e78>
  MINLOC = <mpi4py.MPI.Op object at 0xb77b3f20>
  MODE_APPEND = 128
  MODE_CREATE = 1
  MODE_DELETE_ON_CLOSE = 16
  MODE_EXCL = 64
  MODE_NOCHECK = 1024
  MODE_NOPRECEDE = 8192
  MODE_NOPUT = 4096
  MODE_NOSTORE = 2048
  MODE_NOSUCCEED = 16384
  MODE_RDONLY = 2
  MODE_RDWR = 8
  MODE_SEQUENTIAL = 256
  MODE_UNIQUE_OPEN = 32
  MODE_WRONLY = 4
  OFFSET = <mpi4py.MPI.Datatype object at 0xb77d5190>
  OP_NULL = <mpi4py.MPI.Op object at 0xb77b39c8>
  ORDER_C = 56
  ORDER_F = 57
  ORDER_FORTRAN = 57
  PACKED = <mpi4py.MPI.Datatype object at 0xb77d5160>
  PROC_NULL = -1
  PROD = <mpi4py.MPI.Op object at 0xb77b3aa0>
  REAL = <mpi4py.MPI.Datatype object at 0xb77d53f0>
  REAL16 = <mpi4py.MPI.Datatype object at 0xb77d54f0>
  REAL2 = <mpi4py.MPI.Datatype object at 0xb77d54c0>
  REAL4 = <mpi4py.MPI.Datatype object at 0xb77d54d0>
  REAL8 = <mpi4py.MPI.Datatype object at 0xb77d54e0>
  REPLACE = <mpi4py.MPI.Op object at 0xb77b3dd0>
  REQUEST_NULL = <mpi4py.MPI.Request object at 0xb77569ec>
  ROOT = -3
  SEEK_CUR = 602
  SEEK_END = 604
  SEEK_SET = 600
  SHORT = <mpi4py.MPI.Datatype object at 0xb77d51d0>
  SHORT_INT = <mpi4py.MPI.Datatype object at 0xb77d5360>
  SIGNED_CHAR = <mpi4py.MPI.Datatype object at 0xb77d51c0>
  SIGNED_INT = <mpi4py.MPI.Datatype object at 0xb77d51e0>
  SIGNED_LONG = <mpi4py.MPI.Datatype object at 0xb77d51f0>
  SIGNED_LONG_LONG = <mpi4py.MPI.Datatype object at 0xb77d5200>
  SIGNED_SHORT = <mpi4py.MPI.Datatype object at 0xb77d51d0>
  SIMILAR = 2
  SINT16_T = <mpi4py.MPI.Datatype object at 0xb77d52b0>
  SINT32_T = <mpi4py.MPI.Datatype object at 0xb77d52c0>
  SINT64_T = <mpi4py.MPI.Datatype object at 0xb77d52d0>
  SINT8_T = <mpi4py.MPI.Datatype object at 0xb77d52a0>
  SUBVERSION = 2
  SUCCESS = 0
  SUM = <mpi4py.MPI.Op object at 0xb77b3a58>
  TAG_UB = 1681915905
  THREAD_FUNNELED = 1
  THREAD_MULTIPLE = 3
  THREAD_SERIALIZED = 2
  THREAD_SINGLE = 0
  TWOINT = <mpi4py.MPI.Datatype object at 0xb77d5370>
  TYPECLASS_COMPLEX = 3
  TYPECLASS_INTEGER = 2
  TYPECLASS_REAL = 1
  UB = <mpi4py.MPI.Datatype object at 0xb77d5140>
  UINT16_T = <mpi4py.MPI.Datatype object at 0xb77d52f0>
  UINT32_T = <mpi4py.MPI.Datatype object at 0xb77d5300>
  UINT64_T = <mpi4py.MPI.Datatype object at 0xb77d5310>
  UINT8_T = <mpi4py.MPI.Datatype object at 0xb77d52e0>
  UNDEFINED = -32766
  UNEQUAL = 3
  UNIVERSE_SIZE = 1681915913
  UNSIGNED = <mpi4py.MPI.Datatype object at 0xb77d5230>
  UNSIGNED_CHAR = <mpi4py.MPI.Datatype object at 0xb77d5210>
  UNSIGNED_INT = <mpi4py.MPI.Datatype object at 0xb77d5230>
  UNSIGNED_LONG = <mpi4py.MPI.Datatype object at 0xb77d5240>
  UNSIGNED_LONG_LONG = <mpi4py.MPI.Datatype object at 0xb77d5250>
  UNSIGNED_SHORT = <mpi4py.MPI.Datatype object at 0xb77d5220>
  VERSION = 2
  WCHAR = <mpi4py.MPI.Datatype object at 0xb77d51b0>
  WIN_BASE = 1711276033
  WIN_DISP_UNIT = 1711276037
  WIN_NULL = <mpi4py.MPI.Win object at 0xb77d55b0>
  WIN_SIZE = 1711276035
  WTIME_IS_GLOBAL = 1681915911
  __CTypeDict__ = {'?': <mpi4py.MPI.Datatype object at 0xb77d529...
  __FTypeDict__ = {'?': <mpi4py.MPI.Datatype object at 0xb77d53d...
  __TypeDict__ = {'?': <mpi4py.MPI.Datatype object at 0xb77d5290...
  __package__ = 'mpi4py'
  __pyx_capi__ = {'PyMPIComm_Get': <PyCObject object at 0xb77b3c...
Function Details [hide private]

get_vendor()

 
Infomation about the underlying MPI implementation
Returns:
  • a string with the name of the MPI implementation
  • an integer 3-tuple version (major, minor, micro)

Variables Details [hide private]

C_LONG_DOUBLE_COMPLEX

Value:
<mpi4py.MPI.Datatype object at 0xb77d5350>

__CTypeDict__

Value:
{'?': <mpi4py.MPI.Datatype object at 0xb77d5290>,
 'B': <mpi4py.MPI.Datatype object at 0xb77d5210>,
 'D': <mpi4py.MPI.Datatype object at 0xb77d5340>,
 'F': <mpi4py.MPI.Datatype object at 0xb77d5330>,
 'G': <mpi4py.MPI.Datatype object at 0xb77d5350>,
 'H': <mpi4py.MPI.Datatype object at 0xb77d5220>,
 'I': <mpi4py.MPI.Datatype object at 0xb77d5230>,
 'L': <mpi4py.MPI.Datatype object at 0xb77d5240>,
...

__FTypeDict__

Value:
{'?': <mpi4py.MPI.Datatype object at 0xb77d53d0>,
 'D': <mpi4py.MPI.Datatype object at 0xb77d5420>,
 'F': <mpi4py.MPI.Datatype object at 0xb77d5410>,
 'c': <mpi4py.MPI.Datatype object at 0xb77d53c0>,
 'c16': <mpi4py.MPI.Datatype object at 0xb77d5520>,
 'c8': <mpi4py.MPI.Datatype object at 0xb77d5510>,
 'd': <mpi4py.MPI.Datatype object at 0xb77d5400>,
 'f': <mpi4py.MPI.Datatype object at 0xb77d53f0>,
...

__TypeDict__

Value:
{'?': <mpi4py.MPI.Datatype object at 0xb77d5290>,
 'B': <mpi4py.MPI.Datatype object at 0xb77d5210>,
 'D': <mpi4py.MPI.Datatype object at 0xb77d5340>,
 'F': <mpi4py.MPI.Datatype object at 0xb77d5330>,
 'G': <mpi4py.MPI.Datatype object at 0xb77d5350>,
 'H': <mpi4py.MPI.Datatype object at 0xb77d5220>,
 'I': <mpi4py.MPI.Datatype object at 0xb77d5230>,
 'L': <mpi4py.MPI.Datatype object at 0xb77d5240>,
...

__pyx_capi__

Value:
{'PyMPIComm_Get': <PyCObject object at 0xb77b3c80>,
 'PyMPIComm_New': <PyCObject object at 0xb77b3a88>,
 'PyMPIDatatype_Get': <PyCObject object at 0xb77b3998>,
 'PyMPIDatatype_New': <PyCObject object at 0xb77b3cc8>,
 'PyMPIErrhandler_Get': <PyCObject object at 0xb77b3b00>,
 'PyMPIErrhandler_New': <PyCObject object at 0xb77b37e8>,
 'PyMPIFile_Get': <PyCObject object at 0xb77b3da0>,
 'PyMPIFile_New': <PyCObject object at 0xb77b3ad0>,
...