Reading flow direction raster <fdr.tif>...
Input time for flow direction: 1111651 microsec
Accumulating flows...
Computation time for flow accumulation: 1676754 microsec
Writing flow accumulation raster <rnfmt/meac.tif>...
Output time for flow accumulation: 12585435 microsec

real	0m15.837s
user	0m0.000s
sys	0m0.000s
