Move Jacobi from disks to ctl1 
move Jacobi from ctl1 to ctl2 
move Jacobi from ctl2 to mem 
move Jacobi from mem to ctl2 
move Jacobi from ctl2 to network 
move Jacobi from network to ctl2 
move Jacobi from ctl2 to mem 
move Jacobi from mem to cpu 
compute Jacobi on cpu 
synchronize 
move Jacobi from mem to ctl2 
move Jacobi from ctl2  to ctl1 
move Jacobi from ctl1 to disks 
synchronize