fast_flow_accumulation
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Fast flow accumulation
This project will improve the speed of flow accumulation.
Preliminary results
- Systems
- Linux 4.14.39 with SSD and 16GB RAM on Yoga 370
- ArcGIS on UNG Windows with SSD and 32GB RAM
- Data: Texas drain raster from Efficient longest flow path algorithm
- Benchmark algorithms from https://github.com/zhouguiyun-uestc/FastFlow
Program | Algorithm only (sec) | Total (sec) |
---|---|---|
FastFlow Zhou fdr.tif fac.tif | 61 | 87 |
FastFlow Wang fdr.tif fac.tif | 174 | 277 |
FastFlow Recursive fdr.tif fac.tif | 178 | 204 |
FastFlow Jiang fdr.tif fac.tif | 304 | 333 |
FastFlow BTI fdr.tif fac.tif | 118 | 144 |
TauDEM aread8 -p taud8.tif -ad8 tauad8.tif | ||
ArcGIS Flow Accumulation | ||
Arc Hydro Flow Accumulation | 681 | |
Coming soon | 48 | 107 |
References
fast_flow_accumulation.1593928280.txt.gz · Last modified: 2020-07-04 11:51 pm by hcho