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https://github.com/hpcaitech/ColossalAI.git
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[npu] change device to accelerator api (#5239)
* update accelerator * fix timer * fix amp * update * fix * update bug * add error raise * fix autocast * fix set device * remove doc accelerator * update doc * update doc * update doc * use nullcontext * update cpu * update null context * change time limit for example * udpate * update * update * update * [npu] polish accelerator code --------- Co-authored-by: Xuanlei Zhao <xuanlei.zhao@gmail.com> Co-authored-by: zxl <43881818+oahzxl@users.noreply.github.com>
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@@ -5,7 +5,7 @@ from typing import Optional
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import torch
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from colossalai.utils.device import get_current_device
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from colossalai.accelerator import get_accelerator
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from .base_grad_scaler import BaseGradScaler
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@@ -37,14 +37,20 @@ class DynamicGradScaler(BaseGradScaler):
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hysteresis: int = 2,
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verbose: bool = False,
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):
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a = get_accelerator()
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a.device_count()
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super().__init__(initial_scale, verbose)
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if min_scale:
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self._min_scale = torch.tensor([min_scale], device=get_current_device(), dtype=torch.float)
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self._min_scale = torch.tensor(
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[min_scale], device=get_accelerator().get_current_device(), dtype=torch.float
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)
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else:
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self._min_scale = None
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if max_scale:
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self._max_scale = torch.tensor([max_scale], device=get_current_device(), dtype=torch.float)
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self._max_scale = torch.tensor(
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[max_scale], device=get_accelerator().get_current_device(), dtype=torch.float
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)
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else:
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self._max_scale = None
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@@ -117,7 +123,7 @@ class DynamicGradScaler(BaseGradScaler):
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return state_dict
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def load_state_dict(self, state_dict):
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self._scale = state_dict["scale"].to(get_current_device())
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self._scale = state_dict["scale"].to(get_accelerator().get_current_device())
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self._growth_factor = state_dict["growth_factor"]
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self._backoff_factor = state_dict["backoff_factor"]
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self._hysteresis = state_dict["hysteresis"]
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