Add hillshade benchmarking, for numpy, cupy and rtxpy (#625)

Author: ianthomas23

benchmarks/benchmarks/hillshade.py

@@ -0,0 +1,18 @@
+from xrspatial import hillshade
+from .common import get_xr_dataarray
+
+
+class Hillshade:
+ # Note that rtxpy hillshade includes shadow calculations so timings are
+ # not comparable with numpy and cupy hillshade.
+ params = ([100, 300, 1000, 3000], ["numpy", "cupy", "rtxpy"])
+ param_names = ("nx", "type")
+
+ def setup(self, nx, type):
+ ny = nx // 2
+ self.xr = get_xr_dataarray(
+ (ny, nx), type, different_each_call=(type == "rtxpy"))
+
+ def time_hillshade(self, nx, type):
+ shadows = (type == "rtxpy")
+ hillshade(self.xr, shadows=shadows)