N-Bit Precision (Expert)

:orphan:

.. _precision_expert:

######################## N-Bit Precision (Expert) ######################## Audience: Researchers looking to integrate their new precision techniques into Lightning.

Precision Plugins

You can also customize and pass your own Precision Plugin by subclassing the :class:~lightning.pytorch.plugins.precision.precision.Precision class.

• Perform pre and post backward/optimizer step operations such as scaling gradients.
• Provide context managers for forward, training_step, etc.

.. code-block:: python

class CustomPrecision(Precision):
    precision = "16-mixed"

    ...


trainer = Trainer(plugins=[CustomPrecision()])