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 0xb7821180>
  ANY_SOURCE = -2
  ANY_TAG = -1
  APPNUM = 1681915917
  BAND = <mpi4py.MPI.Op object at 0xb77ffc80>
  BOOL = <mpi4py.MPI.Datatype object at 0xb7821290>
  BOR = <mpi4py.MPI.Op object at 0xb77ff830>
  BOTTOM = 0
  BSEND_OVERHEAD = 56
  BXOR = <mpi4py.MPI.Op object at 0xb77ffcb0>
  BYTE = <mpi4py.MPI.Datatype object at 0xb7821170>
  CART = 2
  CHAR = <mpi4py.MPI.Datatype object at 0xb78211a0>
  CHARACTER = <mpi4py.MPI.Datatype object at 0xb78213c0>
  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 0xb7821570>
  COMM_SELF = <mpi4py.MPI.Intracomm object at 0xb7821580>
  COMM_WORLD = <mpi4py.MPI.Intracomm object at 0xb7821590>
  COMPLEX = <mpi4py.MPI.Datatype object at 0xb7821410>
  COMPLEX16 = <mpi4py.MPI.Datatype object at 0xb7821520>
  COMPLEX32 = <mpi4py.MPI.Datatype object at 0xb7821530>
  COMPLEX4 = <mpi4py.MPI.Datatype object at 0xb7821500>
  COMPLEX8 = <mpi4py.MPI.Datatype object at 0xb7821510>
  CONGRUENT = 1
  C_BOOL = <mpi4py.MPI.Datatype object at 0xb7821290>
  C_COMPLEX = <mpi4py.MPI.Datatype object at 0xb7821320>
  C_DOUBLE_COMPLEX = <mpi4py.MPI.Datatype object at 0xb7821340>
  C_FLOAT_COMPLEX = <mpi4py.MPI.Datatype object at 0xb7821330>
  C_LONG_DOUBLE_COMPLEX = <mpi4py.MPI.Datatype object at 0xb7821...
  DATATYPE_NULL = <mpi4py.MPI.Datatype object at 0xb7821130>
  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 0xb7821270>
  DOUBLE_COMPLEX = <mpi4py.MPI.Datatype object at 0xb7821420>
  DOUBLE_INT = <mpi4py.MPI.Datatype object at 0xb78213a0>
  DOUBLE_PRECISION = <mpi4py.MPI.Datatype object at 0xb7821400>
  ERRHANDLER_NULL = <mpi4py.MPI.Errhandler object at 0xb7821100>
  ERRORS_ARE_FATAL = <mpi4py.MPI.Errhandler object at 0xb7821120>
  ERRORS_RETURN = <mpi4py.MPI.Errhandler object at 0xb7821110>
  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 0xb78215c0>
  FLOAT = <mpi4py.MPI.Datatype object at 0xb7821260>
  FLOAT_INT = <mpi4py.MPI.Datatype object at 0xb7821390>
  F_BOOL = <mpi4py.MPI.Datatype object at 0xb78213d0>
  F_COMPLEX = <mpi4py.MPI.Datatype object at 0xb7821410>
  F_DOUBLE = <mpi4py.MPI.Datatype object at 0xb7821400>
  F_DOUBLE_COMPLEX = <mpi4py.MPI.Datatype object at 0xb7821420>
  F_FLOAT = <mpi4py.MPI.Datatype object at 0xb78213f0>
  F_FLOAT_COMPLEX = <mpi4py.MPI.Datatype object at 0xb7821410>
  F_INT = <mpi4py.MPI.Datatype object at 0xb78213e0>
  GRAPH = 1
  GROUP_EMPTY = <mpi4py.MPI.Group object at 0xb7821560>
  GROUP_NULL = <mpi4py.MPI.Group object at 0xb7821550>
  HOST = 1681915907
  IDENT = 0
  INFO_NULL = <mpi4py.MPI.Info object at 0xb7821540>
  INT = <mpi4py.MPI.Datatype object at 0xb78211e0>
  INT16_T = <mpi4py.MPI.Datatype object at 0xb78212b0>
  INT32_T = <mpi4py.MPI.Datatype object at 0xb78212c0>
  INT64_T = <mpi4py.MPI.Datatype object at 0xb78212d0>
  INT8_T = <mpi4py.MPI.Datatype object at 0xb78212a0>
  INTEGER = <mpi4py.MPI.Datatype object at 0xb78213e0>
  INTEGER1 = <mpi4py.MPI.Datatype object at 0xb7821470>
  INTEGER16 = <mpi4py.MPI.Datatype object at 0xb78214b0>
  INTEGER2 = <mpi4py.MPI.Datatype object at 0xb7821480>
  INTEGER4 = <mpi4py.MPI.Datatype object at 0xb7821490>
  INTEGER8 = <mpi4py.MPI.Datatype object at 0xb78214a0>
  INT_INT = <mpi4py.MPI.Datatype object at 0xb7821370>
  IN_PLACE = -1
  IO = 1681915909
  KEYVAL_INVALID = 603979776
  LAND = <mpi4py.MPI.Op object at 0xb77ffc68>
  LASTUSEDCODE = 1681915915
  LB = <mpi4py.MPI.Datatype object at 0xb7821150>
  LOCK_EXCLUSIVE = 234
  LOCK_SHARED = 235
  LOGICAL = <mpi4py.MPI.Datatype object at 0xb78213d0>
  LOGICAL1 = <mpi4py.MPI.Datatype object at 0xb7821430>
  LOGICAL2 = <mpi4py.MPI.Datatype object at 0xb7821440>
  LOGICAL4 = <mpi4py.MPI.Datatype object at 0xb7821450>
  LOGICAL8 = <mpi4py.MPI.Datatype object at 0xb7821460>
  LONG = <mpi4py.MPI.Datatype object at 0xb78211f0>
  LONG_DOUBLE = <mpi4py.MPI.Datatype object at 0xb7821280>
  LONG_DOUBLE_INT = <mpi4py.MPI.Datatype object at 0xb78213b0>
  LONG_INT = <mpi4py.MPI.Datatype object at 0xb7821380>
  LONG_LONG = <mpi4py.MPI.Datatype object at 0xb7821200>
  LOR = <mpi4py.MPI.Op object at 0xb77ffb18>
  LXOR = <mpi4py.MPI.Op object at 0xb77ffc98>
  MAX = <mpi4py.MPI.Op object at 0xb77ffba8>
  MAXLOC = <mpi4py.MPI.Op object at 0xb77ff878>
  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 0xb77ffbc0>
  MINLOC = <mpi4py.MPI.Op object at 0xb77ffcc8>
  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 0xb7821190>
  OP_NULL = <mpi4py.MPI.Op object at 0xb77ffb90>
  ORDER_C = 56
  ORDER_F = 57
  ORDER_FORTRAN = 57
  PACKED = <mpi4py.MPI.Datatype object at 0xb7821160>
  PROC_NULL = -1
  PROD = <mpi4py.MPI.Op object at 0xb77ffc20>
  REAL = <mpi4py.MPI.Datatype object at 0xb78213f0>
  REAL16 = <mpi4py.MPI.Datatype object at 0xb78214f0>
  REAL2 = <mpi4py.MPI.Datatype object at 0xb78214c0>
  REAL4 = <mpi4py.MPI.Datatype object at 0xb78214d0>
  REAL8 = <mpi4py.MPI.Datatype object at 0xb78214e0>
  REPLACE = <mpi4py.MPI.Op object at 0xb77ffce0>
  REQUEST_NULL = <mpi4py.MPI.Request object at 0xb779bc2c>
  ROOT = -3
  SEEK_CUR = 602
  SEEK_END = 604
  SEEK_SET = 600
  SHORT = <mpi4py.MPI.Datatype object at 0xb78211d0>
  SHORT_INT = <mpi4py.MPI.Datatype object at 0xb7821360>
  SIGNED_CHAR = <mpi4py.MPI.Datatype object at 0xb78211c0>
  SIGNED_INT = <mpi4py.MPI.Datatype object at 0xb78211e0>
  SIGNED_LONG = <mpi4py.MPI.Datatype object at 0xb78211f0>
  SIGNED_LONG_LONG = <mpi4py.MPI.Datatype object at 0xb7821200>
  SIGNED_SHORT = <mpi4py.MPI.Datatype object at 0xb78211d0>
  SIMILAR = 2
  SINT16_T = <mpi4py.MPI.Datatype object at 0xb78212b0>
  SINT32_T = <mpi4py.MPI.Datatype object at 0xb78212c0>
  SINT64_T = <mpi4py.MPI.Datatype object at 0xb78212d0>
  SINT8_T = <mpi4py.MPI.Datatype object at 0xb78212a0>
  SUBVERSION = 2
  SUCCESS = 0
  SUM = <mpi4py.MPI.Op object at 0xb77ffbf0>
  TAG_UB = 1681915905
  THREAD_FUNNELED = 1
  THREAD_MULTIPLE = 3
  THREAD_SERIALIZED = 2
  THREAD_SINGLE = 0
  TWOINT = <mpi4py.MPI.Datatype object at 0xb7821370>
  TYPECLASS_COMPLEX = 3
  TYPECLASS_INTEGER = 2
  TYPECLASS_REAL = 1
  UB = <mpi4py.MPI.Datatype object at 0xb7821140>
  UINT16_T = <mpi4py.MPI.Datatype object at 0xb78212f0>
  UINT32_T = <mpi4py.MPI.Datatype object at 0xb7821300>
  UINT64_T = <mpi4py.MPI.Datatype object at 0xb7821310>
  UINT8_T = <mpi4py.MPI.Datatype object at 0xb78212e0>
  UNDEFINED = -32766
  UNEQUAL = 3
  UNIVERSE_SIZE = 1681915913
  UNSIGNED = <mpi4py.MPI.Datatype object at 0xb7821230>
  UNSIGNED_CHAR = <mpi4py.MPI.Datatype object at 0xb7821210>
  UNSIGNED_INT = <mpi4py.MPI.Datatype object at 0xb7821230>
  UNSIGNED_LONG = <mpi4py.MPI.Datatype object at 0xb7821240>
  UNSIGNED_LONG_LONG = <mpi4py.MPI.Datatype object at 0xb7821250>
  UNSIGNED_SHORT = <mpi4py.MPI.Datatype object at 0xb7821220>
  VERSION = 2
  WCHAR = <mpi4py.MPI.Datatype object at 0xb78211b0>
  WIN_BASE = 1711276033
  WIN_DISP_UNIT = 1711276037
  WIN_NULL = <mpi4py.MPI.Win object at 0xb78215b0>
  WIN_SIZE = 1711276035
  WTIME_IS_GLOBAL = 1681915911
  __CTypeDict__ = {'?': <mpi4py.MPI.Datatype object at 0xb782129...
  __FTypeDict__ = {'?': <mpi4py.MPI.Datatype object at 0xb78213d...
  __TypeDict__ = {'?': <mpi4py.MPI.Datatype object at 0xb7821290...
  __package__ = 'mpi4py'
  __pyx_capi__ = {'PyMPIComm_Get': <PyCObject object at 0xb77ff9...
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 0xb7821350>

__CTypeDict__

Value:
{'?': <mpi4py.MPI.Datatype object at 0xb7821290>,
 'B': <mpi4py.MPI.Datatype object at 0xb7821210>,
 'D': <mpi4py.MPI.Datatype object at 0xb7821340>,
 'F': <mpi4py.MPI.Datatype object at 0xb7821330>,
 'G': <mpi4py.MPI.Datatype object at 0xb7821350>,
 'H': <mpi4py.MPI.Datatype object at 0xb7821220>,
 'I': <mpi4py.MPI.Datatype object at 0xb7821230>,
 'L': <mpi4py.MPI.Datatype object at 0xb7821240>,
...

__FTypeDict__

Value:
{'?': <mpi4py.MPI.Datatype object at 0xb78213d0>,
 'D': <mpi4py.MPI.Datatype object at 0xb7821420>,
 'F': <mpi4py.MPI.Datatype object at 0xb7821410>,
 'c': <mpi4py.MPI.Datatype object at 0xb78213c0>,
 'c16': <mpi4py.MPI.Datatype object at 0xb7821520>,
 'c8': <mpi4py.MPI.Datatype object at 0xb7821510>,
 'd': <mpi4py.MPI.Datatype object at 0xb7821400>,
 'f': <mpi4py.MPI.Datatype object at 0xb78213f0>,
...

__TypeDict__

Value:
{'?': <mpi4py.MPI.Datatype object at 0xb7821290>,
 'B': <mpi4py.MPI.Datatype object at 0xb7821210>,
 'D': <mpi4py.MPI.Datatype object at 0xb7821340>,
 'F': <mpi4py.MPI.Datatype object at 0xb7821330>,
 'G': <mpi4py.MPI.Datatype object at 0xb7821350>,
 'H': <mpi4py.MPI.Datatype object at 0xb7821220>,
 'I': <mpi4py.MPI.Datatype object at 0xb7821230>,
 'L': <mpi4py.MPI.Datatype object at 0xb7821240>,
...

__pyx_capi__

Value:
{'PyMPIComm_Get': <PyCObject object at 0xb77ff998>,
 'PyMPIComm_New': <PyCObject object at 0xb77ff8f0>,
 'PyMPIDatatype_Get': <PyCObject object at 0xb77ff890>,
 'PyMPIDatatype_New': <PyCObject object at 0xb77ff860>,
 'PyMPIErrhandler_Get': <PyCObject object at 0xb77ffa28>,
 'PyMPIErrhandler_New': <PyCObject object at 0xb77ffa40>,
 'PyMPIFile_Get': <PyCObject object at 0xb77ffa10>,
 'PyMPIFile_New': <PyCObject object at 0xb77ff9e0>,
...