[Beowulf] MPI synchronization problem
m.dierks at skynet.be
Fri Nov 10 16:27:13 PST 2006
I'm developing an application to calculate the Mandelbrot fractal.
My problem is:
from the master I will send to each free node for computation a message
containing the values of one screen line.
After a time the nodes will send back the results.
I have see that I can use MPI_Isend and MPI_Irecv for non-blocking
communication. This give me no problem if we are talking about of one
send and one receive. But how can I handle the sending from each node to
the master without data corruption.
Must I implement a send and a receive buffer for each node (16 nodes
means 16 buffer in and 16 out) ?
Can someone help me? Please
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