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./xmlchange MAX_TASKS_PER_NODE=42./xmlchange MAX_MPITASKS_PER_NODE=42 # i.e. NTHRDS is 1./xmlchange NTASKS=42*100 # all comps stacked on 100 nodes./xmlchange PSTRID_ATM=7 # i.e. ATM procs stride 7 (=$NCPU/$NGPU = 42/6) with 6 ATM procs per node./xmlchange NTASKS_ATM=6*100 # ATM is now at 6 procs per node
Process striding helps to
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Exclusive process stride – EXCL_STRIDE
In addition to steps 1--4 5 above,
./xmlchange EXCL_STRIDE_ATM=7 # i.e. only ATM runs on stride-7 procs, other components on the remaining procs
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