#!/bin/bash num_tile=2 gpu_id=$(( (MPI_LOCAL_RANKID % num_tile ) )) tile_id=$((MPI_LOCAL_RANKID / num_tile)) export ZE_AFFINITY_MASK=$gpu_id.$tile_id echo "local rank $MPI_LOCALRANKID ; ZE_AFFINITY_MASK=$ZE_AFFINITY_MASK" "$@"