Initial import: grid-bot — grid trading bot for BTC-USDT on Cifra Markets
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from __future__ import annotations
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from typing import Any, TYPE_CHECKING
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import torch
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if TYPE_CHECKING:
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from types import TracebackType
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def is_available() -> bool:
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return hasattr(torch._C, "_dist_autograd_init")
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if is_available() and not torch._C._dist_autograd_init():
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raise RuntimeError("Failed to initialize torch.distributed.autograd")
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if is_available():
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from torch._C._distributed_autograd import (
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_current_context,
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_get_debug_info,
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_get_max_id,
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_init,
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_is_valid_context,
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_new_context,
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_release_context,
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_retrieve_context,
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backward,
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DistAutogradContext,
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get_gradients,
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)
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__all__ = ["context", "is_available"]
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class context:
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"""
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Context object to wrap forward and backward passes when using
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distributed autograd. The ``context_id`` generated in the ``with``
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statement is required to uniquely identify a distributed backward pass
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on all workers. Each worker stores metadata associated with this
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``context_id``, which is required to correctly execute a distributed
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autograd pass.
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Example::
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>>> # xdoctest: +SKIP
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>>> import torch.distributed.autograd as dist_autograd
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>>> with dist_autograd.context() as context_id:
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>>> t1 = torch.rand((3, 3), requires_grad=True)
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>>> t2 = torch.rand((3, 3), requires_grad=True)
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>>> loss = rpc.rpc_sync("worker1", torch.add, args=(t1, t2)).sum()
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>>> dist_autograd.backward(context_id, [loss])
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"""
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def __enter__(self) -> int:
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self.autograd_context = _new_context()
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return self.autograd_context._context_id()
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def __exit__(
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self,
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exc_type: type[BaseException] | None,
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exc_value: BaseException | None,
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traceback: TracebackType | None,
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) -> None:
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_release_context(self.autograd_context._context_id())
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