Reading flow direction raster <fdr.tif>...
Input time for flow direction: 1135000 microsec
Accumulating flows...
Computation time for flow accumulation: 2574000 microsec
Writing flow accumulation raster <dnfmtf64/mef64ac.tif>...
Output time for flow accumulation: 9568000 microsec

real	0m14.164s
user	0m0.000s
sys	0m0.000s
