Add benchmark for _does_string_look_like_datetime

Author: vnlitvinov

asv_bench/benchmarks/io/parsers.py

@@ -0,0 +1,20 @@
+from pandas._libs.tslibs.parsing import _does_string_look_like_datetime
+
+
+class DoesStringLookLikeDatetime(object):
+
+    params = (['2Q2005', '0.0', '10000'],)
+    param_names = ['value']
+
+    def setup(self, value):
+        self.objects = [value] * 1000000
+
+    def time_check_datetimes(self, value):
+        for obj in self.objects:
+            try:
+                _does_string_look_like_datetime(obj)
+            except ValueError:
+                pass
+
+
+from ..pandas_vb_common import setup  # noqa: F401