249. Get

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MPI_GET(origin_addr, origin_count, origin_datatype, target_rank, target_disp, target_count,
target_datatype, win)
OUT origin_addrinitial address of origin buffer (choice)
IN origin_countnumber of entries in origin buffer (non-negative integer)
IN origin_datatypedatatype of each entry in origin buffer (handle)
IN target_rankrank of target (non-negative integer)
IN target_dispdisplacement from window start to the beginning of the target buffer (non-negative integer)
IN target_countnumber of entries in target buffer (non-negative integer)
IN target_datatypedatatype of each entry in target buffer (handle)
IN winwindow object used for communication (handle)

int MPI_Get(void *origin_addr, int origin_count, MPI_Datatype origin_datatype, int target_rank, MPI_Aint target_disp, int target_count, MPI_Datatype target_datatype, MPI_Win win)

MPI_Get(origin_addr, origin_count, origin_datatype, target_rank, target_disp, target_count, target_datatype, win, ierror)
TYPE(*), DIMENSION(..), ASYNCHRONOUS :: origin_addr
INTEGER, INTENT(IN) :: origin_count, target_rank, target_count
TYPE(MPI_Datatype), INTENT(IN) :: origin_datatype, target_datatype
INTEGER(KIND=MPI_ADDRESS_KIND), INTENT(IN) :: target_disp
TYPE(MPI_Win), INTENT(IN) :: win
INTEGER, OPTIONAL, INTENT(OUT) :: ierror
MPI_GET(ORIGIN_ADDR, ORIGIN_COUNT, ORIGIN_DATATYPE, TARGET_RANK, TARGET_DISP, TARGET_COUNT, TARGET_DATATYPE, WIN, IERROR)
<type> ORIGIN_ADDR(*)
INTEGER(KIND=MPI_ADDRESS_KIND) TARGET_DISP
INTEGER ORIGIN_COUNT, ORIGIN_DATATYPE, TARGET_RANK, TARGET_COUNT, TARGET_DATATYPE, WIN, IERROR

Similar to MPI_PUT, except that the direction of data transfer is reversed. Data are copied from the target memory to the origin. The origin_datatype may not specify overlapping entries in the origin buffer. The target buffer must be contained within the target window or within attached memory in a dynamic window, and the copied data must fit, without truncation, in the origin buffer.


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