Reading flow direction raster <fdr.tif>...
Input time for flow direction: 1131000 microsec
Accumulating flows...
Computation time for flow accumulation: 3696000 microsec
Writing flow accumulation raster <dnfmtf64/mef64ac.tif>...
Output time for flow accumulation: 9476000 microsec

real	0m15.162s
user	0m0.000s
sys	0m0.000s
