Reading flow direction raster <fdr.tif>...
Input time for flow direction: 1136000 microsec
Accumulating flows...
Computation time for flow accumulation: 6202000 microsec
Writing flow accumulation raster <dnfmtf64/mef64ac.tif>...
Output time for flow accumulation: 9814000 microsec

real	0m18.019s
user	0m0.000s
sys	0m0.015s
