o recursive calls, so just a "-" is printed. Total wallclock time for
each region is printed next, followed by the max and min values for any
single invocation. In this simple example each region was called only once, so
"Wallclock", "max", and "min" are all the same. The next column lists the
percentage of wallclock time each region took compared to the first
region timed, and was produced due to the call to <b>GPTLsetoption (GPTLpercent,1)</b>. 
Turning this option on is generally useful only if there is 