Concepts
========

Use Concepts to understand the execution and scheduling models before you tune
placement, workers, or communication.

Choose a Concept Area
---------------------

.. grid:: 1 2 2 2
   :gutter: 2

   .. grid-item-card:: Execution Model
      :link: execution-model/index
      :link-type: doc

      Understand job flow, workers, clusters, channels, and collectives.

   .. grid-item-card:: Scheduling Model
      :link: scheduling-model/index
      :link-type: doc

      Understand placement strategies, execution modes, and replay buffers.

.. toctree::
   :hidden:

   Execution Model <execution-model/index>
   Scheduling Model <scheduling-model/index>
