pytorch

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# mypy: allow-untyped-defs
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from typing import Any
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import torch
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# This module is defined in torch/csrc/distributed/autograd/init.cpp
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class DistAutogradContext:
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    def _context_id(self) -> int: ...
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    def _recv_functions(self) -> dict[int, Any]: ...
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    def _send_functions(self) -> dict[int, Any]: ...
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    def _known_worker_ids(self) -> set[int]: ...
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def _new_context() -> DistAutogradContext: ...
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def _release_context(context_id: int) -> None: ...
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def _get_max_id() -> int: ...
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def _is_valid_context(worker_id: int) -> bool: ...
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def _retrieve_context(context_id: int) -> DistAutogradContext: ...
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def _current_context() -> DistAutogradContext: ...
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def _init(worker_id: int) -> None: ...
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def _get_debug_info() -> dict[str, str]: ...
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def backward(
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    context_id: int,
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    roots: list[torch.Tensor],
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    retain_graph=False,
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) -> None: ...
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def get_gradients(context_id: int) -> dict[torch.Tensor, torch.Tensor]: ...
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