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 PrecisionPlugin class.

• Perform pre and post backward/optimizer step operations such as scaling gradients.

• Provide context managers for forward, training_step, etc.

class CustomPrecisionPlugin(PrecisionPlugin):
    precision = "16-mixed"

    ...


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