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MPI_Sendrecv_replace

In this measurement we use MPI_Sendrecv_replace for sending and receiving at the sender and the receiver. This can be compared with the standard ping-pong test and with the previous test of MPI_Sendrecv.
\epsfig{file=p2p_MPI_Sendrecv_replace.eps}
  message length
X axis scale logarithmic
Param. refinement automatic x wide adaption
Argument range 1 - 8388608 units (s. below)
Argument stepwidth 1.414214

next up previous contents
Next: MPI_Ssend-MPI_Recv Up: Point-to-point-pattern Previous: MPI_Sendrecv   Contents
Per Ekman 2002-01-29