Neutral Binding
MPI_ALLREDUCE( sendbuf, recvbuf, count, datatype, op, comm)
[ IN sendbuf] starting address of send buffer (choice)
[ OUT recvbuf] starting address of receive buffer (choice)
[ IN count] number of elements in send buffer (integer)
[ IN datatype] data type of elements of send buffer (handle)
[ IN op] operation (handle)
[ IN comm] communicator (handle)
C Binding
int MPI_Allreduce(void* sendbuf, void* recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
FORTRAN Binding
MPI_ALLREDUCE(SENDBUF, RECVBUF, COUNT, DATATYPE, OP, COMM, IERROR)
<type> SENDBUF(*), RECVBUF(*)
INTEGER COUNT, DATATYPE, OP, COMM, IERROR
C++ Binding
(in the MPI:: namespace)
void Intracomm::Allreduce(const void* sendbuf, void* recvbuf, int count, const Datatype& datatype, const Op& op) const
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