PERF: add asv benchmarks for TimedeltaIndex

Author: qwhelan

asv_bench/benchmarks/timedelta.py

@@ -1,7 +1,8 @@
 import datetime
 
 import numpy as np
-from pandas import Series, timedelta_range, to_timedelta, Timestamp, Timedelta
+from pandas import Series, timedelta_range, to_timedelta, Timestamp, \
+    Timedelta, TimedeltaIndex, DataFrame
 
 
 class TimedeltaConstructor(object):
@@ -116,3 +117,36 @@ def time_timedelta_microseconds(self, series):
 
     def time_timedelta_nanoseconds(self, series):
         series.dt.nanoseconds
+
+
+class TimedeltaIndexing(object):
+
+    def setup(self):
+        self.index = TimedeltaIndex(start='1985', periods=1000, freq='D')
+        self.index2 = TimedeltaIndex(start='1986', periods=1000, freq='D')
+        self.series = Series(range(1000), index=self.index)
+        self.timedelta = self.index[500]
+
+    def time_get_loc(self):
+        self.index.get_loc(self.timedelta)
+
+    def time_shape(self):
+        self.index.shape
+
+    def time_shallow_copy(self):
+        self.index._shallow_copy()
+
+    def time_series_loc(self):
+        self.series.loc[self.timedelta]
+
+    def time_align(self):
+        DataFrame({'a': self.series, 'b': self.series[:500]})
+
+    def time_intersection(self):
+        self.index.intersection(self.index2)
+
+    def time_union(self):
+        self.index.union(self.index2)
+
+    def time_unique(self):
+        self.index.unique()