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# Copyright The Lightning AI team.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import sys
from typing import Any
import lightning_fabric as fabric
from lightning_fabric.accelerators import XLAAccelerator
from lightning_fabric.plugins.precision import XLAPrecision
from lightning_fabric.strategies import _StrategyRegistry
from lightning_fabric.strategies.single_xla import SingleDeviceXLAStrategy
from lightning_fabric.utilities.rank_zero import rank_zero_deprecation
def _patch_sys_modules() -> None:
self = sys.modules[__name__]
sys.modules["lightning_fabric.strategies.single_tpu"] = self
sys.modules["lightning_fabric.accelerators.tpu"] = self
sys.modules["lightning_fabric.plugins.precision.tpu"] = self
sys.modules["lightning_fabric.plugins.precision.tpu_bf16"] = self
sys.modules["lightning_fabric.plugins.precision.xlabf16"] = self
class SingleTPUStrategy(SingleDeviceXLAStrategy):
"""Legacy class.
Use :class:`~lightning_fabric.strategies.single_xla.SingleDeviceXLAStrategy` instead.
"""
def __init__(self, *args: Any, **kwargs: Any) -> None:
rank_zero_deprecation("The 'single_tpu' strategy is deprecated. Use 'single_xla' instead.")
super().__init__(*args, **kwargs)
@classmethod
def register_strategies(cls, strategy_registry: _StrategyRegistry) -> None:
if "single_tpu" not in strategy_registry:
strategy_registry.register("single_tpu", cls, description="Legacy class. Use `single_xla` instead.")
class TPUAccelerator(XLAAccelerator):
"""Legacy class.
Use :class:`~lightning_fabric.accelerators.xla.XLAAccelerator` instead.
"""
def __init__(self, *args: Any, **kwargs: Any) -> None:
rank_zero_deprecation(
"The `TPUAccelerator` class is deprecated. Use `lightning_fabric.accelerators.XLAAccelerator` instead."
)
super().__init__(*args, **kwargs)
class TPUPrecision(XLAPrecision):
"""Legacy class.
Use :class:`~lightning_fabric.plugins.precision.xla.XLAPrecision` instead.
"""
def __init__(self, *args: Any, **kwargs: Any) -> None:
rank_zero_deprecation(
"The `TPUPrecision` class is deprecated. Use `lightning_fabric.plugins.precision.XLAPrecision` instead."
)
super().__init__(precision="32-true")
class XLABf16Precision(XLAPrecision):
"""Legacy class.
Use :class:`~lightning_fabric.plugins.precision.xla.XLAPrecision` instead.
"""
def __init__(self, *args: Any, **kwargs: Any) -> None:
rank_zero_deprecation(
"The `XLABf16Precision` class is deprecated. Use `lightning_fabric.plugins.precision.XLAPrecision` instead."
)
super().__init__(precision="bf16-true")
class TPUBf16Precision(XLABf16Precision):
"""Legacy class.
Use :class:`~lightning_fabric.plugins.precision.xla.XLAPrecision` instead.
"""
def __init__(self, *args: Any, **kwargs: Any) -> None:
rank_zero_deprecation(
"The `TPUBf16Precision` class is deprecated. Use `lightning_fabric.plugins.precision.XLAPrecision` instead."
)
super().__init__(*args, **kwargs)
def _patch_classes() -> None:
setattr(fabric.strategies, "SingleTPUStrategy", SingleTPUStrategy)
setattr(fabric.accelerators, "TPUAccelerator", TPUAccelerator)
setattr(fabric.plugins, "TPUPrecision", TPUPrecision)
setattr(fabric.plugins.precision, "TPUPrecision", TPUPrecision)
setattr(fabric.plugins, "TPUBf16Precision", TPUBf16Precision)
setattr(fabric.plugins.precision, "TPUBf16Precision", TPUBf16Precision)
setattr(fabric.plugins, "XLABf16Precision", XLABf16Precision)
setattr(fabric.plugins.precision, "XLABf16Precision", XLABf16Precision)
_patch_sys_modules()
_patch_classes()
SingleTPUStrategy.register_strategies(fabric.strategies.STRATEGY_REGISTRY)
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