#!/bin/bash

NODES=(tn01 tn02 tn03 tn04 tn05 tn06)
OSU=/home/test/osu-micro-benchmarks-7.5.1/build/c/mpi/pt2pt/standard/osu_bw

for ((i=0; i<${#NODES[@]}; i++)); do
  for ((j=i+1; j<${#NODES[@]}; j++)); do
    A=${NODES[$i]}
    B=${NODES[$j]}
    echo "▶ Testing $A <-> $B"
    mpirun --bind-to none \
           --mca pml ucx \
           --mca osc ucx \
           --mca btl ^tcp,sm,vader \
           --mca ucx_net_devices mlx4_0:1 \
           -np 2 -H $A,$B \
           $OSU
    echo ""
  done
done