.. _interface-batch-size:

""""
size
""""


Limit the number of evaluations in a batch



**Topics**


concurrency_and_parallelism


.. toctree::
   :hidden:
   :maxdepth: 1



**Specification**

- *Alias:* None

- *Arguments:* INTEGER

- *Default:* local: unlimited batch size, hybrid: zero batch size


**Description**


When ``batch`` execution is enabled, the default behavior is to
add all available evaluations to the current batch. The ``size``
keyword limits the number of evaluations in a batch.