code: 
  
  
  
  
  '''simple docstring'''
  
  
  
  
  
  
  
  from collections import OrderedDict
  from typing import Mapping
  
  from packaging import version
  
  from ...configuration_utils import PretrainedConfig
  from ...onnx import OnnxConfig
  from ...utils import logging
  from ...utils.backbone_utils import BackboneConfigMixin, get_aligned_output_features_output_indices
  
  
  _lowerCamelCase							:		Optional[int]										=						logging.get_logger(__name__)
  
  _lowerCamelCase							:		Tuple										=						{
      'facebook/convnext-tiny-224': 'https://huggingface.co/facebook/convnext-tiny-224/resolve/main/config.json',
      # See all ConvNeXT models at https://huggingface.co/models?filter=convnext
  }
  
  
  
  
  
  class   lowerCamelCase_							( UpperCAmelCase_, UpperCAmelCase_							):
  
  
  
  
  					'''simple docstring'''
  
  
  
  
  
  
  					lowercase__					=				"""convnext"""
  
  
  
  
  
  
  					def __init__(					self,						__UpperCamelCase=3,						__UpperCamelCase=4,						__UpperCamelCase=4,						__UpperCamelCase=None,						__UpperCamelCase=None,						__UpperCamelCase="gelu",						__UpperCamelCase=0.02,						__UpperCamelCase=1E-12,						__UpperCamelCase=1E-6,						__UpperCamelCase=0.0,						__UpperCamelCase=224,						__UpperCamelCase=None,						__UpperCamelCase=None,						**__UpperCamelCase,						):
  							super().__init__(**__UpperCamelCase				)
  
  							_snake_case			 = num_channels
  							_snake_case			 = patch_size
  							_snake_case			 = num_stages
  							_snake_case			 = [96, 192, 384, 768] if hidden_sizes is None else hidden_sizes
  							_snake_case			 = [3, 3, 9, 3] if depths is None else depths
  							_snake_case			 = hidden_act
  							_snake_case			 = initializer_range
  							_snake_case			 = layer_norm_eps
  							_snake_case			 = layer_scale_init_value
  							_snake_case			 = drop_path_rate
  							_snake_case			 = image_size
  							_snake_case			 = ["stem"] + [f'''stage{idx}''' for idx in range(1,						len(self.depths				) + 1				)]
  							_snake_case ,					_snake_case			 = get_aligned_output_features_output_indices(
  							    out_features=__UpperCamelCase,						out_indices=__UpperCamelCase,						stage_names=self.stage_names				)
  
  
  
  
  
  class   lowerCamelCase_							( UpperCAmelCase_							):
  
  
  
  
  					'''simple docstring'''
  
  
  
  
  
  
  					lowercase__					=				version.parse("""1.11"""							)
  
  
  
  
  
  
  					@property
  					def        __SCREAMING_SNAKE_CASE			(					self				):
  							return OrderedDict(
  							    [
  							        ("pixel_values", {0: "batch", 1: "num_channels", 2: "height", 3: "width"}),
  							    ]				)
  
  
  
  
  
  
  					@property
  					def        __SCREAMING_SNAKE_CASE			(					self				):
  							return 1E-5
  
  
  
  
  
  
style_context: 
  
  
  
  
  '''simple docstring'''
  
  
  
  
  
  
  
  import importlib
  import importlib.metadata
  import os
  import warnings
  from distutils.util import strtobool
  from functools import lru_cache
  
  import torch
  from packaging import version
  from packaging.version import parse
  
  from .environment import parse_flag_from_env
  from .versions import compare_versions, is_torch_version
  
  
  try:
  						import torch_xla.core.xla_model as xm  # noqa: F401
  
  						_lowerCamelCase							:		int										=						True
  except ImportError:
  						_lowerCamelCase							:		List[str]										=						False
  
  
  # Cache this result has it's a C FFI call which can be pretty time-consuming
  _lowerCamelCase							:		List[Any]										=						torch.distributed.is_available()
  
  
  
  
  
  
  def 	_lowercase	(			lowercase_						):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		_snake_case			 = importlib.util.find_spec(lowercase_						) is not None
  		if package_exists:
  				try:
  						_snake_case			 = importlib.metadata.metadata(lowercase_						)
  						return True
  				except importlib.metadata.PackageNotFoundError:
  						return False
  
  
  
  
  
  
  def 	_lowercase	(			):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		return _torch_distributed_available
  
  
  
  
  
  
  def 	_lowercase	(			):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		try:
  				pass
  		except ImportError:
  				print(
  				    "Intel(R) oneCCL Bindings for PyTorch* is required to run DDP on Intel(R) GPUs, but it is not"
  				    " detected. If you see \"ValueError: Invalid backend: 'ccl'\" error, please install Intel(R) oneCCL"
  				    " Bindings for PyTorch*."						)
  		return (
  		    importlib.util.find_spec("torch_ccl"						) is not None
  		    or importlib.util.find_spec("oneccl_bindings_for_pytorch"						) is not None
  		)
  
  
  
  
  
  
  def 	_lowercase	(			):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		return importlib.metadata.version("oneccl_bind_pt"						)
  
  
  
  
  
  
  def 	_lowercase	(			):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		return _is_package_available("transformer_engine"						)
  
  
  
  
  
  
  @lru_cache
  def 	_lowercase	(			lowercase_=True						):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		if torch.cuda.is_available():
  				return False
  		if _tpu_available and check_device:
  				try:
  						# Will raise a RuntimeError if no XLA configuration is found
  						_snake_case			 = xm.xla_device()
  						return True
  				except RuntimeError:
  						return False
  		return _tpu_available
  
  
  
  
  
  
  def 	_lowercase	(			):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		return _is_package_available("deepspeed"						)
  
  
  
  
  
  
  def 	_lowercase	(			lowercase_=False						):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		if is_tpu_available():
  				return not ignore_tpu
  		if torch.cuda.is_available():
  				return torch.cuda.is_bfaa_supported()
  		if is_npu_available():
  				return False
  		return True
  
  
  
  
  
  
  def 	_lowercase	(			):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		_snake_case			 = _is_package_available("bitsandbytes"						)
  		if package_exists:
  				_snake_case			 = version.parse(importlib.metadata.version("bitsandbytes"						)						)
  				return compare_versions(lowercase_		,							">="		,							"0.39.0"						)
  		return False
  
  
  
  
  
  
  def 	_lowercase	(			):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		_snake_case			 = _is_package_available("bitsandbytes"						)
  		if package_exists:
  				_snake_case			 = version.parse(importlib.metadata.version("bitsandbytes"						)						)
  				return compare_versions(lowercase_		,							">="		,							"0.37.2"						)
  		return False
  
  
  
  
  
  
  def 	_lowercase	(			):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		return _is_package_available("bitsandbytes"						)
  
  
  
  
  
  
  def 	_lowercase	(			):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		if strtobool(os.environ.get("ACCELERATE_USE_MEGATRON_LM"		,							"False"						)						) == 1:
  				_snake_case			 = importlib.util.find_spec("megatron"						) is not None
  				if package_exists:
  						try:
  								_snake_case			 = parse(importlib.metadata.version("megatron-lm"						)						)
  								return compare_versions(lowercase_		,							">="		,							"2.2.0"						)
  						except Exception as e:
  								warnings.warn(f'''Parse Megatron version failed. Exception:{e}'''						)
  								return False
  
  
  
  
  
  
  def 	_lowercase	(			):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		return _is_package_available("safetensors"						)
  
  
  
  
  
  
  def 	_lowercase	(			):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		return _is_package_available("transformers"						)
  
  
  
  
  
  
  def 	_lowercase	(			):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		return _is_package_available("datasets"						)
  
  
  
  
  
  
  def 	_lowercase	(			):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		return _is_package_available("aim"						)
  
  
  
  
  
  
  def 	_lowercase	(			):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		return _is_package_available("tensorboard"						) or _is_package_available("tensorboardX"						)
  
  
  
  
  
  
  def 	_lowercase	(			):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		return _is_package_available("wandb"						)
  
  
  
  
  
  
  def 	_lowercase	(			):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		return _is_package_available("comet_ml"						)
  
  
  
  
  
  
  def 	_lowercase	(			):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		return _is_package_available("boto3"						)
  
  
  
  
  
  
  def 	_lowercase	(			):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		if _is_package_available("rich"						):
  				if "ACCELERATE_DISABLE_RICH" in os.environ:
  						warnings.warn(
  						    "`ACCELERATE_DISABLE_RICH` is deprecated and will be removed in v0.22.0 and deactivated by default. Please use `ACCELERATE_ENABLE_RICH` if you wish to use `rich`."						)
  						return not parse_flag_from_env("ACCELERATE_DISABLE_RICH"		,							lowercase_						)
  				return parse_flag_from_env("ACCELERATE_ENABLE_RICH"		,							lowercase_						)
  		return False
  
  
  
  
  
  
  def 	_lowercase	(			):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		return _is_package_available("sagemaker"						)
  
  
  
  
  
  
  def 	_lowercase	(			):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		return _is_package_available("tqdm"						)
  
  
  
  
  
  
  def 	_lowercase	(			):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		return _is_package_available("mlflow"						)
  
  
  
  
  
  
  def 	_lowercase	(			):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		return is_torch_version(">="		,							"1.12"						) and torch.backends.mps.is_available() and torch.backends.mps.is_built()
  
  
  
  
  
  
  def 	_lowercase	(			):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		def get_major_and_minor_from_version(lowercase_						):
  				return str(version.parse(lowercase_						).major						) + "." + str(version.parse(lowercase_						).minor						)
  
  		_snake_case			 = importlib.metadata.version("torch"						)
  		if importlib.util.find_spec("intel_extension_for_pytorch"						) is None:
  				return False
  		_snake_case			 = "N/A"
  		try:
  				_snake_case			 = importlib.metadata.version("intel_extension_for_pytorch"						)
  		except importlib.metadata.PackageNotFoundError:
  				return False
  		_snake_case			 = get_major_and_minor_from_version(_torch_version						)
  		_snake_case			 = get_major_and_minor_from_version(_ipex_version						)
  		if torch_major_and_minor != ipex_major_and_minor:
  				warnings.warn(
  				    f'''Intel Extension for PyTorch {ipex_major_and_minor} needs to work with PyTorch {ipex_major_and_minor}.*,'''
  				    f''' but PyTorch {_torch_version} is found. Please switch to the matching version and run again.'''						)
  				return False
  		return True
  
  
  
  
  
  
  @lru_cache
  def 	_lowercase	(			lowercase_=False						):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		if importlib.util.find_spec("torch"						) is None or importlib.util.find_spec("torch_npu"						) is None:
  				return False
  
  		import torch
  		import torch_npu  # noqa: F401
  
  		if check_device:
  				try:
  						# Will raise a RuntimeError if no NPU is found
  						_snake_case			 = torch.npu.device_count()
  						return torch.npu.is_available()
  				except RuntimeError:
  						return False
  		return hasattr(lowercase_		,							"npu"						) and torch.npu.is_available()
  
  
  
  
  
  
  @lru_cache
  def 	_lowercase	(			lowercase_=False						):
  
  
  
  		'''simple docstring'''
  
  
  
  
  
  
  
  		if not parse_flag_from_env("ACCELERATE_USE_XPU"		,							default=lowercase_						):
  				return False
  		if is_ipex_available():
  				import torch
  
  				if is_torch_version("<="		,							"1.12"						):
  						return False
  		else:
  				return False
  
  		import intel_extension_for_pytorch  # noqa: F401
  
  		if check_device:
  				try:
  						# Will raise a RuntimeError if no XPU  is found
  						_snake_case			 = torch.xpu.device_count()
  						return torch.xpu.is_available()
  				except RuntimeError:
  						return False
  		return hasattr(lowercase_		,							"xpu"						) and torch.xpu.is_available()
  
  
  
  
  
  