Reading flow direction raster <fdr.tif>...
Input time for flow direction: 1144575 microsec
Accumulating flows...
Computation time for flow accumulation: 1788335 microsec
Writing flow accumulation raster <rnfmt/meac.tif>...
Output time for flow accumulation: 9207605 microsec

real	0m12.656s
user	0m0.000s
sys	0m0.000s
