Reading flow direction raster <fdr.tif>...
Input time for flow direction: 1128000 microsec
Accumulating flows...
Computation time for flow accumulation: 3232000 microsec
Writing flow accumulation raster <dnfmtf64/mef64ac.tif>...
Output time for flow accumulation: 9649000 microsec

real	0m14.868s
user	0m0.000s
sys	0m0.000s
