#procs  runtime gettime   getrusage     comm as reported by Pugh(gettime)
1	13.83896900       11.64453100 	0.000
2	14.25690300       11.86230500   0.176
4	14.70838500       12.15722600   0.288 
8	15.17385300       12.63281200   0.915 
16	15.20549400       12.76953200   1.050
32	15.54277500       13.05175800   1.246
64	15.96310200       13.49707000   1.676
128     16.72618700       14.20703200   2.083
256     16.34677700       13.77929700   1.633