**Benchmark setup**

.. code-block:: python

    from pandas_vb_common import *
    
    df = DataFrame(np.random.randn(10000, 4), columns=['A', 'B', 'C', 'D'])
    indexer = df['B'] > 0
    obj_indexer = indexer.astype('O')
    

**Benchmark statement**

.. code-block:: python

    df[obj_indexer]

**Performance graph**

.. image:: vbench/figures/indexing_dataframe_boolean_rows_object.png
   :width: 6in