ASV: Add benchmark for DataFrame.Update

asv_bench/benchmarks/frame_methods.py

@@ -862,4 +862,26 @@ def time_last_valid_index(self, dtype):
  self.df.last_valid_index()
 
 
+class Update:
+ def setup(self):
+ rng = np.random.default_rng()
+ self.df = DataFrame(rng.uniform(size=(1000, 10)))
+
+ idx = rng.choice(range(1000), size=1000, replace=False)
+ self.df_random = DataFrame(self.df, index=idx)
+
+ idx = rng.choice(range(1000), size=100, replace=False)
+ cols = rng.choice(range(10), size=2, replace=False)
+ self.df_sample = DataFrame(rng.uniform(size=(100, 2)), index=idx, columns=cols)
+
+ def time_to_update_big_frame_small_arg(self):
+ self.df.update(self.df_sample)
+
+ def time_to_update_random_indices(self):
+ self.df_random.update(self.df_sample)
+
+ def time_to_update_small_frame_big_arg(self):
+ self.df_sample.update(self.df)
+
+
 from .pandas_vb_common import setup # noqa: F401 isort:skip