I am using mpirun --map-by ppr:4:node -n 16
and this loads the processes in round robin fashion. This seems to be twice as slow for my code as loading them node by node, 4 processes per node. How can I not load them round robin, but node by node? Thanks! Ron --- Ron Cohen recoh...@gmail.com skypename: ronaldcohen twitter: @recohen3 --- Ronald Cohen Geophysical Laboratory Carnegie Institution 5251 Broad Branch Rd., N.W. Washington, D.C. 20015
