$//$ Setting to allow fine$-$tuning the granularity of the readings

Let NUM$\_$READINGS $=60$ Let INSERTS$\_$PER$\_$READING $=1000$

$//$ Start with an array containing $1$ element

$//$ Take NUM$\_$READINGS readings

Loop NUM$\_$READINGS times

$//$ Each reading will be taken after INSERTS$\_$PER$\_$READING inserts

$//$ Output reading in tabular format

Output array length and seconds per insert