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kronos-venv/lib/python3.12/site-packages/torch/cuda/amp/__init__.py

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+# pyrefly: ignore [deprecated]
+from .autocast_mode import autocast, custom_bwd, custom_fwd
+from .common import amp_definitely_not_available
+from .grad_scaler import GradScaler
+
+
+__all__ = [
+    "amp_definitely_not_available",
+    "autocast",
+    "custom_bwd",
+    "custom_fwd",
+    "GradScaler",
+]

kronos-venv/lib/python3.12/site-packages/torch/cuda/amp/autocast_mode.py

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+# mypy: allow-untyped-defs
+import functools
+import sys
+from typing import Any
+from typing_extensions import deprecated
+
+import torch
+
+
+__all__ = ["autocast", "custom_fwd", "custom_bwd"]
+
+
+@deprecated(
+    "`torch.cuda.amp.autocast(args...)` is deprecated. "
+    "Please use `torch.amp.autocast('cuda', args...)` instead.",
+    category=FutureWarning,
+)
+class autocast(torch.amp.autocast_mode.autocast):
+    r"""See :class:`torch.autocast`.
+
+    ``torch.cuda.amp.autocast(args...)`` is deprecated. Please use ``torch.amp.autocast("cuda", args...)`` instead.
+    """
+
+    # TODO: remove this conditional once we stop supporting Python < 3.13
+    # Prior to Python 3.13, inspect.signature could not retrieve the correct
+    # signature information for classes decorated with @deprecated (unless
+    # the __new__ static method was explicitly defined);
+    #
+    # However, this issue has been fixed in Python 3.13 and later versions.
+    if sys.version_info < (3, 13):
+
+        def __new__(
+            cls,
+            enabled: bool = True,
+            dtype: torch.dtype = torch.float16,
+            cache_enabled: bool = True,
+        ):
+            return super().__new__(cls)
+
+        def __init_subclass__(cls):
+            pass
+
+    def __init__(
+        self,
+        enabled: bool = True,
+        dtype: torch.dtype = torch.float16,
+        cache_enabled: bool = True,
+    ):
+        if torch._jit_internal.is_scripting():
+            self._enabled = enabled
+            self.device = "cuda"
+            self.fast_dtype = dtype
+            return
+        super().__init__(
+            "cuda", enabled=enabled, dtype=dtype, cache_enabled=cache_enabled
+        )
+
+    def __enter__(self):
+        if torch._jit_internal.is_scripting():
+            return self
+        return super().__enter__()
+
+    # TODO: discuss a unified TorchScript-friendly API for autocast
+    def __exit__(self, exc_type: Any, exc_val: Any, exc_tb: Any):  # type: ignore[override]
+        if torch._jit_internal.is_scripting():
+            return
+        return super().__exit__(exc_type, exc_val, exc_tb)
+
+    def __call__(self, func):
+        if torch._jit_internal.is_scripting():
+            return func
+        return super().__call__(func)
+
+
+# Preserved only for BC reasons
+@deprecated(
+    "`torch.cuda.amp.autocast_mode._cast(value, dtype)` is deprecated. "
+    "Please use `torch.amp.autocast_mode._cast(value, 'cuda', dtype)` instead.",
+    category=FutureWarning,
+)
+def _cast(value, dtype):
+    return torch.amp.autocast_mode._cast(value, "cuda", dtype)
+
+
+@deprecated(
+    "`torch.cuda.amp.custom_fwd(args...)` is deprecated. "
+    "Please use `torch.amp.custom_fwd(args..., device_type='cuda')` instead.",
+    category=FutureWarning,
+)
+def custom_fwd(fwd=None, *, cast_inputs=None):
+    """
+    ``torch.cuda.amp.custom_fwd(args...)`` is deprecated. Please use
+    ``torch.amp.custom_fwd(args..., device_type='cuda')`` instead.
+    """
+    return functools.partial(torch.amp.custom_fwd, device_type="cuda")(
+        fwd=fwd, cast_inputs=cast_inputs
+    )
+
+
+@deprecated(
+    "`torch.cuda.amp.custom_bwd(args...)` is deprecated. "
+    "Please use `torch.amp.custom_bwd(args..., device_type='cuda')` instead.",
+    category=FutureWarning,
+)
+def custom_bwd(bwd):
+    """
+    ``torch.cuda.amp.custom_bwd(args...)`` is deprecated. Please use
+    ``torch.amp.custom_bwd(args..., device_type='cuda')`` instead.
+    """
+    return functools.partial(torch.amp.custom_bwd, device_type="cuda")(bwd)

kronos-venv/lib/python3.12/site-packages/torch/cuda/amp/common.py

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+# mypy: allow-untyped-defs
+from importlib.util import find_spec
+
+import torch
+
+
+__all__ = ["amp_definitely_not_available"]
+
+
+def amp_definitely_not_available():
+    return not (torch.cuda.is_available() or find_spec("torch_xla"))

kronos-venv/lib/python3.12/site-packages/torch/cuda/amp/grad_scaler.py

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+from typing_extensions import deprecated
+
+import torch
+
+# We need to keep this unused import for BC reasons
+from torch.amp.grad_scaler import OptState  # noqa: F401
+
+
+__all__ = ["GradScaler"]
+
+
+class GradScaler(torch.amp.GradScaler):
+    r"""
+    See :class:`torch.amp.GradScaler`.
+    ``torch.cuda.amp.GradScaler(args...)`` is deprecated. Please use ``torch.amp.GradScaler("cuda", args...)`` instead.
+    """
+
+    @deprecated(
+        "`torch.cuda.amp.GradScaler(args...)` is deprecated. "
+        "Please use `torch.amp.GradScaler('cuda', args...)` instead.",
+        category=FutureWarning,
+    )
+    def __init__(
+        self,
+        init_scale: float = 2.0**16,
+        growth_factor: float = 2.0,
+        backoff_factor: float = 0.5,
+        growth_interval: int = 2000,
+        enabled: bool = True,
+    ) -> None:
+        super().__init__(
+            "cuda",
+            init_scale=init_scale,
+            growth_factor=growth_factor,
+            backoff_factor=backoff_factor,
+            growth_interval=growth_interval,
+            enabled=enabled,
+        )