i=0 N1=16000 N2=120000 step=13600 sleepT=8 for (( i=N1; i<=N2; i+=step )); do echo i: $i echo "lab1-seq:" ./lab1-seq $i sleep $sleepT echo "lab1-par-1:" ./lab1-par-1 $i sleep $sleepT echo "lab1-par-4:" ./lab1-par-4 $i sleep $sleepT echo "lab1-par-8:" ./lab1-par-8 $i sleep $sleepT echo "lab1-par-32:" ./lab1-par-32 $i sleep $sleepT done