Accelerator

class lightning.fabric.accelerators.Accelerator[source]

Bases: ABC

The Accelerator base class.

An Accelerator is meant to deal with one type of hardware.

Warning

Writing your own accelerator is an experimental feature.

abstract static auto_device_count()[source]

Get the device count when set to auto.

Return type:

int

abstract static get_parallel_devices(devices)[source]

Gets parallel devices for the Accelerator.

Return type:

Any

abstract static is_available()[source]

Detect if the hardware is available.

Return type:

bool

abstract static parse_devices(devices)[source]

Accelerator device parsing logic.

Return type:

Any

abstract setup_device(device)[source]

Create and prepare the device for the current process.

Return type:

None

abstract teardown()[source]

Clean up any state created by the accelerator.

Return type:

None