Reading flow direction raster <fdr.tif>...
Input time for flow direction: 1162000 microsec
Accumulating flows...
Computation time for flow accumulation: 3609000 microsec
Writing flow accumulation raster <dnfmtf64/mef64ac.tif>...
Output time for flow accumulation: 9716000 microsec

real	0m15.336s
user	0m0.000s
sys	0m0.000s
