Send-receive

Status Comm.Sendrecv(Object sendbuf, int sendoffset,
                     int sendcount, Datatype sendtype,
                     int dest, int sendtag,
                     Object recvbuf, int recvoffset,
                     int recvcount, Datatype recvtype,
                     int source, int recvtag)

sendbuf	send buffer array
sendoffset	initial offset in send buffer
sendcount	number of items to send
sendtype	datatype of each item in send buffer
dest	rank of destination
sendtag	send tag
recvbuf	receive buffer array
recvoffset	initial offset in receive buffer
recvcount	number of items in receive buffer
recvtype	datatype of each item in receive buffer
source	rank of source
recvtag	receive tag
returns:	status object

Execute a blocking send and receive operation. Java binding of the MPI operation MPI_SENDRECV. Further comments as for Send and Recv.

Status Comm.Sendrecv_replace(Object buf, int offset,
                             int count, Datatype datatype,
                             int dest, int sendtag,
                             int source, int recvtag)

buf	buffer array
offset	initial offset in buffer
count	number of items to send
datatype	datatype of each item in buffer
dest	rank of destination
sendtag	send tag
source	rank of source
recvtag	receive tag
returns:	status object

Execute a blocking send and receive operation, receiving message into send buffer. Java binding of the MPI operation MPI_SENDRECV_REPLACE. Further comments as for send and recv.