


"""simple docstring"""
from collections import OrderedDict
from typing import Any, Mapping, Optional

from ... import PreTrainedTokenizer
from ...configuration_utils import PretrainedConfig
from ...onnx import OnnxConfig, OnnxConfigWithPast, OnnxSeqaSeqConfigWithPast
from ...onnx.utils import compute_effective_axis_dimension
from ...utils import TensorType, is_torch_available, logging


__SCREAMING_SNAKE_CASE				:     int		=     logging.get_logger(__name__)

__SCREAMING_SNAKE_CASE				:     str		=     {
    'google/bigbird-pegasus-large-arxiv': (
        'https://huggingface.co/google/bigbird-pegasus-large-arxiv/resolve/main/config.json'
    ),
    'google/bigbird-pegasus-large-pubmed': (
        'https://huggingface.co/google/bigbird-pegasus-large-pubmed/resolve/main/config.json'
    ),
    'google/bigbird-pegasus-large-bigpatent': (
        'https://huggingface.co/google/bigbird-pegasus-large-bigpatent/resolve/main/config.json'
    ),
    # See all BigBirdPegasus models at https://huggingface.co/models?filter=bigbird_pegasus
}





class   __A  (snake_case__):





							'''simple docstring'''

							__lowercase:		str				   =     """bigbird_pegasus"""
							__lowercase:		Any				   =     ["""past_key_values"""]
							__lowercase:		Optional[Any]				   =     {
							    """num_attention_heads""": """encoder_attention_heads""",
							    """hidden_size""": """d_model""",
							    """attention_probs_dropout_prob""": """attention_dropout""",
							}



							def __init__(					self				:   Optional[int]		,							UpperCAmelCase_				:   List[Any]=96_103		,							UpperCAmelCase_				:   List[str]=4_096		,							UpperCAmelCase_				:   Optional[Any]=16		,							UpperCAmelCase_				:   str=4_096		,							UpperCAmelCase_				:   Optional[int]=16		,							UpperCAmelCase_				:   List[Any]=16		,							UpperCAmelCase_				:   Optional[int]=4_096		,							UpperCAmelCase_				:   List[str]=16		,							UpperCAmelCase_				:   Tuple=0.0		,							UpperCAmelCase_				:   Union[str, Any]=0.0		,							UpperCAmelCase_				:   str=True		,							UpperCAmelCase_				:   Dict=True		,							UpperCAmelCase_				:   List[str]="gelu_new"		,							UpperCAmelCase_				:   Tuple=1_024		,							UpperCAmelCase_				:   int=0.1		,							UpperCAmelCase_				:   Union[str, Any]=0.0		,							UpperCAmelCase_				:   str=0.0		,							UpperCAmelCase_				:   str=0.02		,							UpperCAmelCase_				:   Tuple=2		,							UpperCAmelCase_				:   int=0.0		,							UpperCAmelCase_				:   str=True		,							UpperCAmelCase_				:   Any=0		,							UpperCAmelCase_				:   Dict=2		,							UpperCAmelCase_				:   List[str]=1		,							UpperCAmelCase_				:   Optional[int]="block_sparse"		,							UpperCAmelCase_				:   Tuple=64		,							UpperCAmelCase_				:   List[str]=3		,							UpperCAmelCase_				:   Optional[int]=False		,							**UpperCAmelCase_				:   str		,							)       ->List[str]:



														"""simple docstring"""



														snake_case_     							=		vocab_size
														snake_case_     							=		max_position_embeddings
														snake_case_     							=		d_model
														snake_case_     							=		encoder_ffn_dim
														snake_case_     							=		encoder_layers
														snake_case_     							=		encoder_attention_heads
														snake_case_     							=		decoder_ffn_dim
														snake_case_     							=		decoder_layers
														snake_case_     							=		decoder_attention_heads
														snake_case_     							=		dropout
														snake_case_     							=		attention_dropout
														snake_case_     							=		activation_dropout
														snake_case_     							=		activation_function
														snake_case_     							=		init_std
														snake_case_     							=		encoder_layerdrop
														snake_case_     							=		decoder_layerdrop
														snake_case_     							=		classifier_dropout
														snake_case_     							=		use_cache
														snake_case_     							=		encoder_layers
														snake_case_     							=		scale_embedding  # scale factor will be sqrt(d_model) if True

														# extra config
														snake_case_     							=		attention_type
														snake_case_     							=		block_size
														snake_case_     							=		num_random_blocks
														snake_case_     							=		use_bias

														super().__init__(
														    pad_token_id=UpperCAmelCase_		,							bos_token_id=UpperCAmelCase_		,							eos_token_id=UpperCAmelCase_		,							is_encoder_decoder=UpperCAmelCase_		,							decoder_start_token_id=UpperCAmelCase_		,							**UpperCAmelCase_		,							)





class   __A  (snake_case__):





							'''simple docstring'''

							@property
							def 		lowerCAmelCase							(					self				:   List[str]							)       ->Mapping[str, Mapping[int, str]]:



														"""simple docstring"""



														if self.task in ["default", "seq2seq-lm"]:
																					snake_case_     							=		OrderedDict(
																					    [
																					        ("""input_ids""", {0: """batch""", 1: """encoder_sequence"""}),
																					        ("""attention_mask""", {0: """batch""", 1: """encoder_sequence"""}),
																					    ]							)

																					if self.use_past:
																												snake_case_     							=		{0: """batch"""}
																												snake_case_     							=		{0: """batch""", 1: """past_decoder_sequence + sequence"""}
																					else:
																												snake_case_     							=		{0: """batch""", 1: """decoder_sequence"""}
																												snake_case_     							=		{0: """batch""", 1: """decoder_sequence"""}

																					if self.use_past:
																												self.fill_with_past_key_values_(UpperCAmelCase_		,							direction="""inputs"""							)
														elif self.task == "causal-lm":
																					# TODO: figure this case out.
																					snake_case_     							=		OrderedDict(
																					    [
																					        ("""input_ids""", {0: """batch""", 1: """encoder_sequence"""}),
																					        ("""attention_mask""", {0: """batch""", 1: """encoder_sequence"""}),
																					    ]							)
																					if self.use_past:
																												snake_case_							,    snake_case_     							=		self.num_layers
																												for i in range(UpperCAmelCase_							):
																																			snake_case_     							=		{0: """batch""", 2: """past_sequence + sequence"""}
																																			snake_case_     							=		{0: """batch""", 2: """past_sequence + sequence"""}
														else:
																					snake_case_     							=		OrderedDict(
																					    [
																					        ("""input_ids""", {0: """batch""", 1: """encoder_sequence"""}),
																					        ("""attention_mask""", {0: """batch""", 1: """encoder_sequence"""}),
																					        ("""decoder_input_ids""", {0: """batch""", 1: """decoder_sequence"""}),
																					        ("""decoder_attention_mask""", {0: """batch""", 1: """decoder_sequence"""}),
																					    ]							)

														return common_inputs



							@property
							def 		lowerCAmelCase							(					self				:   Dict							)       ->Mapping[str, Mapping[int, str]]:



														"""simple docstring"""



														if self.task in ["default", "seq2seq-lm"]:
																					snake_case_     							=		super().outputs
														else:
																					snake_case_     							=		super(UpperCAmelCase_		,							self							).outputs
																					if self.use_past:
																												snake_case_							,    snake_case_     							=		self.num_layers
																												for i in range(UpperCAmelCase_							):
																																			snake_case_     							=		{0: """batch""", 2: """past_sequence + sequence"""}
																																			snake_case_     							=		{0: """batch""", 2: """past_sequence + sequence"""}
														return common_outputs



							def 		lowerCAmelCase							(					self				:   int		,							UpperCAmelCase_				:   PreTrainedTokenizer		,							UpperCAmelCase_				:   int = -1		,							UpperCAmelCase_				:   int = -1		,							UpperCAmelCase_				:   bool = False		,							UpperCAmelCase_				:   Optional[TensorType] = None		,							)       ->Mapping[str, Any]:



														"""simple docstring"""



														snake_case_     							=		self._generate_dummy_inputs_for_sequence_classification_and_question_answering(
														    UpperCAmelCase_		,							UpperCAmelCase_		,							UpperCAmelCase_		,							UpperCAmelCase_		,							UpperCAmelCase_							)

														# Generate decoder inputs
														snake_case_     							=		seq_length if not self.use_past else 1
														snake_case_     							=		self._generate_dummy_inputs_for_sequence_classification_and_question_answering(
														    UpperCAmelCase_		,							UpperCAmelCase_		,							UpperCAmelCase_		,							UpperCAmelCase_		,							UpperCAmelCase_							)
														snake_case_     							=		{F"""decoder_{name}""": tensor for name, tensor in decoder_inputs.items()}
														snake_case_     							=		dict(**UpperCAmelCase_		,							**UpperCAmelCase_							)

														if self.use_past:
																					if not is_torch_available():
																												raise ValueError("""Cannot generate dummy past_keys inputs without PyTorch installed."""							)
																					else:
																												import torch
																					snake_case_							,    snake_case_     							=		common_inputs["""input_ids"""].shape
																					snake_case_     							=		common_inputs["""decoder_input_ids"""].shape[1]
																					snake_case_							,    snake_case_     							=		self.num_attention_heads
																					snake_case_     							=		(
																					    batch,
																					    num_encoder_attention_heads,
																					    encoder_seq_length,
																					    self._config.hidden_size // num_encoder_attention_heads,
																					)
																					snake_case_     							=		decoder_seq_length + 3
																					snake_case_     							=		(
																					    batch,
																					    num_decoder_attention_heads,
																					    decoder_past_length,
																					    self._config.hidden_size // num_decoder_attention_heads,
																					)

																					snake_case_     							=		torch.cat(
																					    [common_inputs["""decoder_attention_mask"""], torch.ones(UpperCAmelCase_		,							UpperCAmelCase_							)]		,							dim=1							)

																					snake_case_     							=		[]
																					# If the number of encoder and decoder layers are present in the model configuration, both are considered
																					snake_case_							,    snake_case_     							=		self.num_layers
																					snake_case_     							=		min(UpperCAmelCase_		,							UpperCAmelCase_							)
																					snake_case_     							=		max(UpperCAmelCase_		,							UpperCAmelCase_							) - min_num_layers
																					snake_case_     							=		"""encoder""" if num_encoder_layers > num_decoder_layers else """decoder"""

																					for _ in range(UpperCAmelCase_							):
																												common_inputs["past_key_values"].append(
																												    (
																												        torch.zeros(UpperCAmelCase_							),
																												        torch.zeros(UpperCAmelCase_							),
																												        torch.zeros(UpperCAmelCase_							),
																												        torch.zeros(UpperCAmelCase_							),
																												    )							)
																					# TODO: test this.
																					snake_case_     							=		encoder_shape if remaining_side_name == """encoder""" else decoder_shape
																					for _ in range(UpperCAmelCase_		,							UpperCAmelCase_							):
																												common_inputs["past_key_values"].append((torch.zeros(UpperCAmelCase_							), torch.zeros(UpperCAmelCase_							))							)
														return common_inputs



							def 		lowerCAmelCase							(					self				:   Union[str, Any]		,							UpperCAmelCase_				:   PreTrainedTokenizer		,							UpperCAmelCase_				:   int = -1		,							UpperCAmelCase_				:   int = -1		,							UpperCAmelCase_				:   bool = False		,							UpperCAmelCase_				:   Optional[TensorType] = None		,							)       ->Mapping[str, Any]:



														"""simple docstring"""



														snake_case_     							=		self._generate_dummy_inputs_for_sequence_classification_and_question_answering(
														    UpperCAmelCase_		,							UpperCAmelCase_		,							UpperCAmelCase_		,							UpperCAmelCase_		,							UpperCAmelCase_							)

														if self.use_past:
																					if not is_torch_available():
																												raise ValueError("""Cannot generate dummy past_keys inputs without PyTorch installed."""							)
																					else:
																												import torch
																					snake_case_							,    snake_case_     							=		common_inputs["""input_ids"""].shape
																					# Not using the same length for past_key_values
																					snake_case_     							=		seqlen + 2
																					snake_case_							,    snake_case_     							=		self.num_layers
																					snake_case_							,    snake_case_     							=		self.num_attention_heads
																					snake_case_     							=		(
																					    batch,
																					    num_encoder_attention_heads,
																					    past_key_values_length,
																					    self._config.hidden_size // num_encoder_attention_heads,
																					)

																					snake_case_     							=		common_inputs["""attention_mask"""].dtype
																					snake_case_     							=		torch.cat(
																					    [common_inputs["""attention_mask"""], torch.ones(UpperCAmelCase_		,							UpperCAmelCase_		,							dtype=UpperCAmelCase_							)]		,							dim=1							)
																					snake_case_     							=		[
																					    (torch.zeros(UpperCAmelCase_							), torch.zeros(UpperCAmelCase_							)) for _ in range(UpperCAmelCase_							)
																					]
														return common_inputs



							def 		lowerCAmelCase							(					self				:   Dict		,							UpperCAmelCase_				:   PreTrainedTokenizer		,							UpperCAmelCase_				:   int = -1		,							UpperCAmelCase_				:   int = -1		,							UpperCAmelCase_				:   bool = False		,							UpperCAmelCase_				:   Optional[TensorType] = None		,							)       ->Mapping[str, Any]:



														"""simple docstring"""



														snake_case_     							=		compute_effective_axis_dimension(
														    UpperCAmelCase_		,							fixed_dimension=OnnxConfig.default_fixed_batch		,							num_token_to_add=0							)

														# If dynamic axis (-1) we forward with a fixed dimension of 8 tokens to avoid optimizations made by ONNX
														snake_case_     							=		tokenizer.num_special_tokens_to_add(UpperCAmelCase_							)
														snake_case_     							=		compute_effective_axis_dimension(
														    UpperCAmelCase_		,							fixed_dimension=OnnxConfig.default_fixed_sequence		,							num_token_to_add=UpperCAmelCase_							)

														# Generate dummy inputs according to compute batch and sequence
														snake_case_     							=		[""" """.join([tokenizer.unk_token]							) * seq_length] * batch_size
														snake_case_     							=		dict(tokenizer(UpperCAmelCase_		,							return_tensors=UpperCAmelCase_							)							)
														return common_inputs



							def 		lowerCAmelCase							(					self				:   str		,							UpperCAmelCase_				:   PreTrainedTokenizer		,							UpperCAmelCase_				:   int = -1		,							UpperCAmelCase_				:   int = -1		,							UpperCAmelCase_				:   bool = False		,							UpperCAmelCase_				:   Optional[TensorType] = None		,							)       ->Mapping[str, Any]:



														"""simple docstring"""



														if self.task in ["default", "seq2seq-lm"]:
																					snake_case_     							=		self._generate_dummy_inputs_for_default_and_seqaseq_lm(
																					    UpperCAmelCase_		,							batch_size=UpperCAmelCase_		,							seq_length=UpperCAmelCase_		,							is_pair=UpperCAmelCase_		,							framework=UpperCAmelCase_							)

														elif self.task == "causal-lm":
																					snake_case_     							=		self._generate_dummy_inputs_for_causal_lm(
																					    UpperCAmelCase_		,							batch_size=UpperCAmelCase_		,							seq_length=UpperCAmelCase_		,							is_pair=UpperCAmelCase_		,							framework=UpperCAmelCase_							)
														else:
																					snake_case_     							=		self._generate_dummy_inputs_for_sequence_classification_and_question_answering(
																					    UpperCAmelCase_		,							batch_size=UpperCAmelCase_		,							seq_length=UpperCAmelCase_		,							is_pair=UpperCAmelCase_		,							framework=UpperCAmelCase_							)

														return common_inputs



							def 		lowerCAmelCase							(					self				:   Union[str, Any]		,							UpperCAmelCase_				:   Any		,							UpperCAmelCase_				:   Union[str, Any]		,							UpperCAmelCase_				:   Any		,							UpperCAmelCase_				:   Any							)       ->Tuple:



														"""simple docstring"""



														if self.task in ["default", "seq2seq-lm"]:
																					snake_case_     							=		super()._flatten_past_key_values_(UpperCAmelCase_		,							UpperCAmelCase_		,							UpperCAmelCase_		,							UpperCAmelCase_							)
														else:
																					snake_case_     							=		super(UpperCAmelCase_		,							self							)._flatten_past_key_values_(
																					    UpperCAmelCase_		,							UpperCAmelCase_		,							UpperCAmelCase_		,							UpperCAmelCase_							)







"""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

				__SCREAMING_SNAKE_CASE				:     List[Any]		=     True
except ImportError:
				__SCREAMING_SNAKE_CASE				:     Dict		=     False


# Cache this result has it's a C FFI call which can be pretty time-consuming
__SCREAMING_SNAKE_CASE				:     Optional[Any]		=     torch.distributed.is_available()







def     _a					(   _SCREAMING_SNAKE_CASE					)     ->					int:
							# Check we're not importing a "pkg_name" directory somewhere but the actual library by trying to grab the version
							snake_case_     							=		importlib.util.find_spec(_SCREAMING_SNAKE_CASE					) is not None
							if package_exists:
														try:
																					snake_case_     							=		importlib.metadata.metadata(_SCREAMING_SNAKE_CASE					)
																					return True
														except importlib.metadata.PackageNotFoundError:
																					return False







def     _a					(   )     ->					bool:
							return _torch_distributed_available







def     _a					(   )     ->					Union[str, Any]:
							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     _a					(   )     ->					Optional[Any]:
							return importlib.metadata.version("""oneccl_bind_pt"""					)







def     _a					(   )     ->					Optional[Any]:
							return _is_package_available("""transformer_engine"""					)







@lru_cache
def     _a					(   _SCREAMING_SNAKE_CASE=True					)     ->					int:
							# Due to bugs on the amp series GPUs, we disable torch-xla on them
							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     _a					(   )     ->					List[str]:
							return _is_package_available("""deepspeed"""					)







def     _a					(   _SCREAMING_SNAKE_CASE=False					)     ->					Optional[int]:
							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     _a					(   )     ->					Any:
							snake_case_     							=		_is_package_available("""bitsandbytes"""					)
							if package_exists:
														snake_case_     							=		version.parse(importlib.metadata.version("""bitsandbytes"""					)					)
														return compare_versions(_SCREAMING_SNAKE_CASE					,			""">="""					,			"""0.39.0"""					)
							return False







def     _a					(   )     ->					List[Any]:
							snake_case_     							=		_is_package_available("""bitsandbytes"""					)
							if package_exists:
														snake_case_     							=		version.parse(importlib.metadata.version("""bitsandbytes"""					)					)
														return compare_versions(_SCREAMING_SNAKE_CASE					,			""">="""					,			"""0.37.2"""					)
							return False







def     _a					(   )     ->					Union[str, Any]:
							return _is_package_available("""bitsandbytes"""					)







def     _a					(   )     ->					Optional[int]:
							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(_SCREAMING_SNAKE_CASE					,			""">="""					,			"""2.2.0"""					)
																					except Exception as e:
																												warnings.warn(f"""Parse Megatron version failed. Exception:{e}"""					)
																												return False







def     _a					(   )     ->					str:
							return _is_package_available("""safetensors"""					)







def     _a					(   )     ->					str:
							return _is_package_available("""transformers"""					)







def     _a					(   )     ->					Union[str, Any]:
							return _is_package_available("""datasets"""					)







def     _a					(   )     ->					List[str]:
							return _is_package_available("""aim"""					)







def     _a					(   )     ->					List[str]:
							return _is_package_available("""tensorboard"""					) or _is_package_available("""tensorboardX"""					)







def     _a					(   )     ->					int:
							return _is_package_available("""wandb"""					)







def     _a					(   )     ->					List[Any]:
							return _is_package_available("""comet_ml"""					)







def     _a					(   )     ->					Union[str, Any]:
							return _is_package_available("""boto3"""					)







def     _a					(   )     ->					Optional[Any]:
							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"""					,			_SCREAMING_SNAKE_CASE					)
														return parse_flag_from_env("""ACCELERATE_ENABLE_RICH"""					,			_SCREAMING_SNAKE_CASE					)
							return False







def     _a					(   )     ->					List[Any]:
							return _is_package_available("""sagemaker"""					)







def     _a					(   )     ->					int:
							return _is_package_available("""tqdm"""					)







def     _a					(   )     ->					List[Any]:
							return _is_package_available("""mlflow"""					)







def     _a					(   )     ->					int:
							return is_torch_version(""">="""					,			"""1.12"""					) and torch.backends.mps.is_available() and torch.backends.mps.is_built()







def     _a					(   )     ->					Any:
							def get_major_and_minor_from_version(_SCREAMING_SNAKE_CASE					):
														return str(version.parse(_SCREAMING_SNAKE_CASE					).major					) + "." + str(version.parse(_SCREAMING_SNAKE_CASE					).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     _a					(   _SCREAMING_SNAKE_CASE=False					)     ->					List[str]:
							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(_SCREAMING_SNAKE_CASE					,			"""npu"""					) and torch.npu.is_available()







@lru_cache
def     _a					(   _SCREAMING_SNAKE_CASE=False					)     ->					int:
							if not parse_flag_from_env("""ACCELERATE_USE_XPU"""					,			default=_SCREAMING_SNAKE_CASE					):
														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(_SCREAMING_SNAKE_CASE					,			"""xpu"""					) and torch.xpu.is_available()



