PERF: performance regression in timeseries/timestamp comparison (ASV)
See https://pandas.pydata.org/speed/pandas/#arithmetic.Timeseries.time_series_timestamp_compare?python=3.8&Cython=0.29.21&p-tz=None&commits=ac7ca239-038aab96

This seems to be caused by https://github.com/pandas-dev/pandas/pull/37313 cc @jbrockmendel 