adding more test cases (freakish performance with old hashes)

Author: realead

asv_bench/benchmarks/hash_functions.py

@@ -124,3 +124,20 @@ def time_factorize(self, exponent):
 
     def time_unique(self, exponent):
         pd.unique(self.a2)
+
+
+class NumericSeriesIndexing:
+
+    params = [
+        (pd.Int64Index, pd.UInt64Index, pd.Float64Index),
+        (10 ** 4, 10 ** 5, 5 * 10 ** 5, 10 ** 6, 5 * 10 ** 6),
+    ]
+    param_names = ["index_dtype", "N"]
+
+    def setup(self, index, N):
+        indices = index(list(range(55)) + [54] + list(range(55, N - 1)))
+        self.data = pd.Series(np.arange(N), index=indices)
+
+    def time_loc_slice(self, index, N):
+        # trigger building of mapping
+        self.data.loc[:800]