shmem_long_inc.3 - Online Linux Manual Page

SHMEM\_INC - Online Linux Manual PageSection : 3
Updated : Jan 21, 2016
Source : 1.10.2
Note : Open MPI

NAMEshmem_int4_inc(3), shmem_int8_inc(3), shmem_int_inc(3), shmem_long_inc(3), shmem_longlong_inc(3) − These routines perform an atomic increment operation on a remote data object.

SYNOPSISC or C++: #include <mpp/shmem.h> int shmem_int_inc(int *target, int pe); long shmem_long_inc(long *target, int pe); long long shmem_longlong_inc(long long *target, int pe); Fortran: INCLUDE "mpp/shmem.fh" INTEGER pe INTEGER(KIND=4) SHMEM_INT4_INC, target4 INTEGER(KIND=8) SHMEM_INT8_INC, target8 ires4 = SHMEM_INT4_INC(target4, pe) ires8 = SHMEM_INT8_INC(target8, pe)

DESCRIPTIONThe atomic increment routines replace the value of target with its value incremented by one. The operation must be completed without the possibility of another process updating target between the time of the fetch and the update. The arguments are as follows: target The remotely accessible integer data object to be updated on the remote PE. The type of target should match that implied in the SYNOPSIS section. pe An integer that indicates the PE number upon which target is to be updated. If you are using Fortran, it must be a default integer value.

NOTESThe term remotely accessible is defined in intro_shmem(3).

RETURN VALUESNone.

SEE ALSOintro_shmem(3) 0

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