

import unittest

from transformers import MobileBertConfig, is_torch_available
from transformers.models.auto import get_values
from transformers.testing_utils import require_sentencepiece, require_tokenizers, require_torch, slow, torch_device

from ...test_configuration_common import ConfigTester
from ...test_modeling_common import ModelTesterMixin, ids_tensor, random_attention_mask
from ...test_pipeline_mixin import PipelineTesterMixin


if is_torch_available():
   import torch

   from transformers import (
       MODEL_FOR_PRETRAINING_MAPPING,
       MobileBertForMaskedLM,
       MobileBertForMultipleChoice,
       MobileBertForNextSentencePrediction,
       MobileBertForPreTraining,
       MobileBertForQuestionAnswering,
       MobileBertForSequenceClassification,
       MobileBertForTokenClassification,
       MobileBertModel,
   )



class SCREAMING_SNAKE_CASE     :
  """simple docstring"""






  def __init__(      self			:   Union[str, Any]	,							lowerCAmelCase			:   Dict	,							lowerCAmelCase			:   Dict=13	,							lowerCAmelCase			:   int=7	,							lowerCAmelCase			:   Any=True	,							lowerCAmelCase			:   str=True	,							lowerCAmelCase			:   Optional[Any]=True	,							lowerCAmelCase			:   str=True	,							lowerCAmelCase			:   Tuple=99	,							lowerCAmelCase			:   int=64	,							lowerCAmelCase			:   Any=32	,							lowerCAmelCase			:   str=5	,							lowerCAmelCase			:   List[str]=4	,							lowerCAmelCase			:   str=37	,							lowerCAmelCase			:   Union[str, Any]="gelu"	,							lowerCAmelCase			:   Dict=0.1	,							lowerCAmelCase			:   Dict=0.1	,							lowerCAmelCase			:   Optional[int]=5_12	,							lowerCAmelCase			:   List[str]=16	,							lowerCAmelCase			:   str=2	,							lowerCAmelCase			:   Union[str, Any]=0.02	,							lowerCAmelCase			:   Dict=3	,							lowerCAmelCase			:   int=4	,							lowerCAmelCase			:   Union[str, Any]=None	,							)							->     Optional[int]:






     """simple docstring"""







     __lowerCAmelCase  :      List[Any]         =						parent
     __lowerCAmelCase  :      Tuple         =						batch_size
     __lowerCAmelCase  :      Dict         =						seq_length
     __lowerCAmelCase  :      List[str]         =						is_training
     __lowerCAmelCase  :      Dict         =						use_input_mask
     __lowerCAmelCase  :      Optional[int]         =						use_token_type_ids
     __lowerCAmelCase  :      List[str]         =						use_labels
     __lowerCAmelCase  :      Dict         =						vocab_size
     __lowerCAmelCase  :      List[str]         =						hidden_size
     __lowerCAmelCase  :      Optional[int]         =						embedding_size
     __lowerCAmelCase  :      Optional[int]         =						num_hidden_layers
     __lowerCAmelCase  :      Optional[Any]         =						num_attention_heads
     __lowerCAmelCase  :      Optional[Any]         =						intermediate_size
     __lowerCAmelCase  :      Optional[int]         =						hidden_act
     __lowerCAmelCase  :      Any         =						hidden_dropout_prob
     __lowerCAmelCase  :      Optional[int]         =						attention_probs_dropout_prob
     __lowerCAmelCase  :      List[str]         =						max_position_embeddings
     __lowerCAmelCase  :      Optional[Any]         =						type_vocab_size
     __lowerCAmelCase  :      Optional[Any]         =						type_sequence_label_size
     __lowerCAmelCase  :      Optional[Any]         =						initializer_range
     __lowerCAmelCase  :      Optional[Any]         =						num_labels
     __lowerCAmelCase  :      Union[str, Any]         =						num_choices
     __lowerCAmelCase  :      Union[str, Any]         =						scope







  def 	SCREAMING_SNAKE_CASE   (      self			:   Dict   )							->     List[str]:






     """simple docstring"""







     __lowerCAmelCase  :      Union[str, Any]         =						ids_tensor([self.batch_size, self.seq_length]	,							self.vocab_size   )

     __lowerCAmelCase  :      Dict         =						None
     if self.use_input_mask:
        __lowerCAmelCase  :      Union[str, Any]         =						random_attention_mask([self.batch_size, self.seq_length]   )

     __lowerCAmelCase  :      List[str]         =						None
     if self.use_token_type_ids:
        __lowerCAmelCase  :      Tuple         =						ids_tensor([self.batch_size, self.seq_length]	,							self.type_vocab_size   )

     __lowerCAmelCase  :      List[Any]         =						None
     __lowerCAmelCase  :      Tuple         =						None
     __lowerCAmelCase  :      int         =						None
     if self.use_labels:
        __lowerCAmelCase  :      Tuple         =						ids_tensor([self.batch_size]	,							self.type_sequence_label_size   )
        __lowerCAmelCase  :      List[str]         =						ids_tensor([self.batch_size, self.seq_length]	,							self.num_labels   )
        __lowerCAmelCase  :      str         =						ids_tensor([self.batch_size]	,							self.num_choices   )

     __lowerCAmelCase  :      Optional[int]         =						self.get_config()

     return config, input_ids, token_type_ids, input_mask, sequence_labels, token_labels, choice_labels







  def 	SCREAMING_SNAKE_CASE   (      self			:   List[Any]   )							->     Union[str, Any]:






     """simple docstring"""







     return MobileBertConfig(
         vocab_size=self.vocab_size	,							hidden_size=self.hidden_size	,							num_hidden_layers=self.num_hidden_layers	,							num_attention_heads=self.num_attention_heads	,							intermediate_size=self.intermediate_size	,							embedding_size=self.embedding_size	,							hidden_act=self.hidden_act	,							hidden_dropout_prob=self.hidden_dropout_prob	,							attention_probs_dropout_prob=self.attention_probs_dropout_prob	,							max_position_embeddings=self.max_position_embeddings	,							type_vocab_size=self.type_vocab_size	,							is_decoder=lowerCAmelCase	,							initializer_range=self.initializer_range	,							)







  def 	SCREAMING_SNAKE_CASE   (      self			:   Optional[Any]	,							lowerCAmelCase			:   Dict	,							lowerCAmelCase			:   Optional[Any]	,							lowerCAmelCase			:   Optional[int]	,							lowerCAmelCase			:   int	,							lowerCAmelCase			:   Any	,							lowerCAmelCase			:   Tuple	,							lowerCAmelCase			:   List[Any]   )							->     Tuple:






     """simple docstring"""







     __lowerCAmelCase  :      Any         =						MobileBertModel(config=lowerCAmelCase   )
     model.to(lowerCAmelCase   )
     model.eval()
     __lowerCAmelCase  :      Union[str, Any]         =						model(lowerCAmelCase	,							attention_mask=lowerCAmelCase	,							token_type_ids=lowerCAmelCase   )
     __lowerCAmelCase  :      List[Any]         =						model(lowerCAmelCase	,							token_type_ids=lowerCAmelCase   )
     __lowerCAmelCase  :      Tuple         =						model(lowerCAmelCase   )

     self.parent.assertEqual(result.last_hidden_state.shape	,							(self.batch_size, self.seq_length, self.hidden_size)   )
     self.parent.assertEqual(result.pooler_output.shape	,							(self.batch_size, self.hidden_size)   )







  def 	SCREAMING_SNAKE_CASE   (      self			:   Optional[int]	,							lowerCAmelCase			:   Union[str, Any]	,							lowerCAmelCase			:   Any	,							lowerCAmelCase			:   str	,							lowerCAmelCase			:   List[Any]	,							lowerCAmelCase			:   Dict	,							lowerCAmelCase			:   Union[str, Any]	,							lowerCAmelCase			:   Optional[int]   )							->     Optional[Any]:






     """simple docstring"""







     __lowerCAmelCase  :      Any         =						MobileBertForMaskedLM(config=lowerCAmelCase   )
     model.to(lowerCAmelCase   )
     model.eval()
     __lowerCAmelCase  :      List[Any]         =						model(lowerCAmelCase	,							attention_mask=lowerCAmelCase	,							token_type_ids=lowerCAmelCase	,							labels=lowerCAmelCase   )
     self.parent.assertEqual(result.logits.shape	,							(self.batch_size, self.seq_length, self.vocab_size)   )







  def 	SCREAMING_SNAKE_CASE   (      self			:   Dict	,							lowerCAmelCase			:   List[str]	,							lowerCAmelCase			:   Union[str, Any]	,							lowerCAmelCase			:   Union[str, Any]	,							lowerCAmelCase			:   str	,							lowerCAmelCase			:   Optional[Any]	,							lowerCAmelCase			:   Dict	,							lowerCAmelCase			:   Optional[int]   )							->     List[str]:






     """simple docstring"""







     __lowerCAmelCase  :      Tuple         =						MobileBertForNextSentencePrediction(config=lowerCAmelCase   )
     model.to(lowerCAmelCase   )
     model.eval()
     __lowerCAmelCase  :      List[Any]         =						model(
         lowerCAmelCase	,							attention_mask=lowerCAmelCase	,							token_type_ids=lowerCAmelCase	,							labels=lowerCAmelCase	,							)
     self.parent.assertEqual(result.logits.shape	,							(self.batch_size, 2)   )







  def 	SCREAMING_SNAKE_CASE   (      self			:   Tuple	,							lowerCAmelCase			:   Any	,							lowerCAmelCase			:   Any	,							lowerCAmelCase			:   Optional[int]	,							lowerCAmelCase			:   Union[str, Any]	,							lowerCAmelCase			:   Tuple	,							lowerCAmelCase			:   List[Any]	,							lowerCAmelCase			:   List[Any]   )							->     Optional[Any]:






     """simple docstring"""







     __lowerCAmelCase  :      Any         =						MobileBertForPreTraining(config=lowerCAmelCase   )
     model.to(lowerCAmelCase   )
     model.eval()
     __lowerCAmelCase  :      Optional[int]         =						model(
         lowerCAmelCase	,							attention_mask=lowerCAmelCase	,							token_type_ids=lowerCAmelCase	,							labels=lowerCAmelCase	,							next_sentence_label=lowerCAmelCase	,							)
     self.parent.assertEqual(result.prediction_logits.shape	,							(self.batch_size, self.seq_length, self.vocab_size)   )
     self.parent.assertEqual(result.seq_relationship_logits.shape	,							(self.batch_size, 2)   )







  def 	SCREAMING_SNAKE_CASE   (      self			:   Dict	,							lowerCAmelCase			:   Tuple	,							lowerCAmelCase			:   int	,							lowerCAmelCase			:   Dict	,							lowerCAmelCase			:   Optional[int]	,							lowerCAmelCase			:   int	,							lowerCAmelCase			:   Union[str, Any]	,							lowerCAmelCase			:   Any   )							->     Any:






     """simple docstring"""







     __lowerCAmelCase  :      Optional[int]         =						MobileBertForQuestionAnswering(config=lowerCAmelCase   )
     model.to(lowerCAmelCase   )
     model.eval()
     __lowerCAmelCase  :      int         =						model(
         lowerCAmelCase	,							attention_mask=lowerCAmelCase	,							token_type_ids=lowerCAmelCase	,							start_positions=lowerCAmelCase	,							end_positions=lowerCAmelCase	,							)
     self.parent.assertEqual(result.start_logits.shape	,							(self.batch_size, self.seq_length)   )
     self.parent.assertEqual(result.end_logits.shape	,							(self.batch_size, self.seq_length)   )







  def 	SCREAMING_SNAKE_CASE   (      self			:   Dict	,							lowerCAmelCase			:   List[Any]	,							lowerCAmelCase			:   str	,							lowerCAmelCase			:   str	,							lowerCAmelCase			:   List[str]	,							lowerCAmelCase			:   int	,							lowerCAmelCase			:   Union[str, Any]	,							lowerCAmelCase			:   Union[str, Any]   )							->     Tuple:






     """simple docstring"""







     __lowerCAmelCase  :      List[str]         =						self.num_labels
     __lowerCAmelCase  :      int         =						MobileBertForSequenceClassification(lowerCAmelCase   )
     model.to(lowerCAmelCase   )
     model.eval()
     __lowerCAmelCase  :      Optional[int]         =						model(lowerCAmelCase	,							attention_mask=lowerCAmelCase	,							token_type_ids=lowerCAmelCase	,							labels=lowerCAmelCase   )
     self.parent.assertEqual(result.logits.shape	,							(self.batch_size, self.num_labels)   )







  def 	SCREAMING_SNAKE_CASE   (      self			:   Union[str, Any]	,							lowerCAmelCase			:   Optional[Any]	,							lowerCAmelCase			:   Union[str, Any]	,							lowerCAmelCase			:   Tuple	,							lowerCAmelCase			:   int	,							lowerCAmelCase			:   int	,							lowerCAmelCase			:   Any	,							lowerCAmelCase			:   Optional[int]   )							->     Optional[Any]:






     """simple docstring"""







     __lowerCAmelCase  :      List[Any]         =						self.num_labels
     __lowerCAmelCase  :      Dict         =						MobileBertForTokenClassification(config=lowerCAmelCase   )
     model.to(lowerCAmelCase   )
     model.eval()
     __lowerCAmelCase  :      Tuple         =						model(lowerCAmelCase	,							attention_mask=lowerCAmelCase	,							token_type_ids=lowerCAmelCase	,							labels=lowerCAmelCase   )
     self.parent.assertEqual(result.logits.shape	,							(self.batch_size, self.seq_length, self.num_labels)   )







  def 	SCREAMING_SNAKE_CASE   (      self			:   List[str]	,							lowerCAmelCase			:   List[Any]	,							lowerCAmelCase			:   Dict	,							lowerCAmelCase			:   Union[str, Any]	,							lowerCAmelCase			:   Optional[Any]	,							lowerCAmelCase			:   Union[str, Any]	,							lowerCAmelCase			:   Any	,							lowerCAmelCase			:   List[Any]   )							->     Optional[Any]:






     """simple docstring"""







     __lowerCAmelCase  :      Any         =						self.num_choices
     __lowerCAmelCase  :      List[Any]         =						MobileBertForMultipleChoice(config=lowerCAmelCase   )
     model.to(lowerCAmelCase   )
     model.eval()
     __lowerCAmelCase  :      Dict         =						input_ids.unsqueeze(1   ).expand(-1	,							self.num_choices	,							-1   ).contiguous()
     __lowerCAmelCase  :      Union[str, Any]         =						token_type_ids.unsqueeze(1   ).expand(-1	,							self.num_choices	,							-1   ).contiguous()
     __lowerCAmelCase  :      Optional[int]         =						input_mask.unsqueeze(1   ).expand(-1	,							self.num_choices	,							-1   ).contiguous()
     __lowerCAmelCase  :      Optional[int]         =						model(
         lowerCAmelCase	,							attention_mask=lowerCAmelCase	,							token_type_ids=lowerCAmelCase	,							labels=lowerCAmelCase	,							)
     self.parent.assertEqual(result.logits.shape	,							(self.batch_size, self.num_choices)   )







  def 	SCREAMING_SNAKE_CASE   (      self			:   str   )							->     List[str]:






     """simple docstring"""







     __lowerCAmelCase  :      Tuple         =						self.prepare_config_and_inputs()
     (
         __lowerCAmelCase
     )  :      List[Any]         =						config_and_inputs
     __lowerCAmelCase  :      List[str]         =						{"""input_ids""": input_ids, """token_type_ids""": token_type_ids, """attention_mask""": input_mask}
     return config, inputs_dict






@require_torch
class SCREAMING_SNAKE_CASE     (  a_       ,							a_       ,							unittest.TestCase			):
  """simple docstring"""






  lowerCamelCase   :      str										=(
      (
          MobileBertModel,
          MobileBertForMaskedLM,
          MobileBertForMultipleChoice,
          MobileBertForNextSentencePrediction,
          MobileBertForPreTraining,
          MobileBertForQuestionAnswering,
          MobileBertForSequenceClassification,
          MobileBertForTokenClassification,
      )
      if is_torch_available()
      else ()
  )
  lowerCamelCase   :      Optional[int]										=(
      {
          "feature-extraction": MobileBertModel,
          "fill-mask": MobileBertForMaskedLM,
          "question-answering": MobileBertForQuestionAnswering,
          "text-classification": MobileBertForSequenceClassification,
          "token-classification": MobileBertForTokenClassification,
          "zero-shot": MobileBertForSequenceClassification,
      }
      if is_torch_available()
      else {}
  )
  lowerCamelCase   :      Union[str, Any]										=True







  def 	SCREAMING_SNAKE_CASE   (      self			:   List[Any]	,							lowerCAmelCase			:   str	,							lowerCAmelCase			:   List[str]	,							lowerCAmelCase			:   List[Any]=False   )							->     List[str]:






     """simple docstring"""







     __lowerCAmelCase  :      Union[str, Any]         =						super()._prepare_for_class(lowerCAmelCase	,							lowerCAmelCase	,							return_labels=lowerCAmelCase   )

     if return_labels:
        if model_class in get_values(lowerCAmelCase   ):
           __lowerCAmelCase  :      Tuple         =						torch.zeros(
               (self.model_tester.batch_size, self.model_tester.seq_length)	,							dtype=torch.long	,							device=lowerCAmelCase   )
           __lowerCAmelCase  :      Union[str, Any]         =						torch.zeros(
               self.model_tester.batch_size	,							dtype=torch.long	,							device=lowerCAmelCase   )
     return inputs_dict







  def 	SCREAMING_SNAKE_CASE   (      self			:   int   )							->     Optional[Any]:






     """simple docstring"""







     __lowerCAmelCase  :      int         =						MobileBertModelTester(self   )
     __lowerCAmelCase  :      Optional[Any]         =						ConfigTester(self	,							config_class=lowerCAmelCase	,							hidden_size=37   )







  def 	SCREAMING_SNAKE_CASE   (      self			:   str   )							->     Optional[Any]:






     """simple docstring"""







     self.config_tester.run_common_tests()







  def 	SCREAMING_SNAKE_CASE   (      self			:   int   )							->     Optional[Any]:






     """simple docstring"""







     __lowerCAmelCase  :      List[str]         =						self.model_tester.prepare_config_and_inputs()
     self.model_tester.create_and_check_mobilebert_model(*lowerCAmelCase   )







  def 	SCREAMING_SNAKE_CASE   (      self			:   Dict   )							->     Tuple:






     """simple docstring"""







     __lowerCAmelCase  :      str         =						self.model_tester.prepare_config_and_inputs()
     self.model_tester.create_and_check_mobilebert_for_masked_lm(*lowerCAmelCase   )







  def 	SCREAMING_SNAKE_CASE   (      self			:   Optional[int]   )							->     Dict:






     """simple docstring"""







     __lowerCAmelCase  :      str         =						self.model_tester.prepare_config_and_inputs()
     self.model_tester.create_and_check_mobilebert_for_multiple_choice(*lowerCAmelCase   )







  def 	SCREAMING_SNAKE_CASE   (      self			:   Union[str, Any]   )							->     Dict:






     """simple docstring"""







     __lowerCAmelCase  :      Dict         =						self.model_tester.prepare_config_and_inputs()
     self.model_tester.create_and_check_mobilebert_for_next_sequence_prediction(*lowerCAmelCase   )







  def 	SCREAMING_SNAKE_CASE   (      self			:   Dict   )							->     Optional[int]:






     """simple docstring"""







     __lowerCAmelCase  :      Tuple         =						self.model_tester.prepare_config_and_inputs()
     self.model_tester.create_and_check_mobilebert_for_pretraining(*lowerCAmelCase   )







  def 	SCREAMING_SNAKE_CASE   (      self			:   Union[str, Any]   )							->     str:






     """simple docstring"""







     __lowerCAmelCase  :      Dict         =						self.model_tester.prepare_config_and_inputs()
     self.model_tester.create_and_check_mobilebert_for_question_answering(*lowerCAmelCase   )







  def 	SCREAMING_SNAKE_CASE   (      self			:   List[str]   )							->     Tuple:






     """simple docstring"""







     __lowerCAmelCase  :      Dict         =						self.model_tester.prepare_config_and_inputs()
     self.model_tester.create_and_check_mobilebert_for_sequence_classification(*lowerCAmelCase   )







  def 	SCREAMING_SNAKE_CASE   (      self			:   Optional[int]   )							->     Tuple:






     """simple docstring"""







     __lowerCAmelCase  :      List[str]         =						self.model_tester.prepare_config_and_inputs()
     self.model_tester.create_and_check_mobilebert_for_token_classification(*lowerCAmelCase   )






def      snake_case_				(__A					:						Any					)      ->     Optional[Any]:
   return torch.tensor(
       __A ,       dtype=torch.long ,       device=__A ,       )


__UpperCAmelCase								=			1e-3



@require_torch
@require_sentencepiece
@require_tokenizers
class SCREAMING_SNAKE_CASE     (  unittest.TestCase			):
  """simple docstring"""






  @slow
  def 	SCREAMING_SNAKE_CASE   (      self			:   Dict   )							->     Union[str, Any]:






     """simple docstring"""







     __lowerCAmelCase  :      Optional[Any]         =						MobileBertModel.from_pretrained("""google/mobilebert-uncased"""   ).to(lowerCAmelCase   )
     __lowerCAmelCase  :      int         =						_long_tensor([[1_01, 71_10, 10_05, 10_56, 20_23, 1_13_33, 1_74_13, 10_29, 1_02]]   )
     with torch.no_grad():
        __lowerCAmelCase  :      List[str]         =						model(lowerCAmelCase   )[0]
     __lowerCAmelCase  :      List[Any]         =						torch.Size((1, 9, 5_12)   )
     self.assertEqual(output.shape	,							lowerCAmelCase   )
     __lowerCAmelCase  :      int         =						torch.tensor(
         [
             [
                 [-2.473_6526e07, 8.269_1656e04, 1.652_1838e05],
                 [-5.754_1704e-01, 3.905_6022e00, 4.401_1507e00],
                 [2.604_7359e00, 1.567_7652e00, -1.732_4188e-01],
             ]
         ]	,							device=lowerCAmelCase	,							)

     # MobileBERT results range from 10e0 to 10e8. Even a 0.0000001% difference with a value of 10e8 results in a
     # ~1 difference, it's therefore not a good idea to measure using addition.
     # Here, we instead divide the expected result with the result in order to obtain ~1. We then check that the
     # result is held between bounds: 1 - TOLERANCE < expected_result / result < 1 + TOLERANCE
     __lowerCAmelCase  :      Union[str, Any]         =						torch.all((expected_slice / output[..., :3, :3]) >= 1 - TOLERANCE   )
     __lowerCAmelCase  :      Union[str, Any]         =						torch.all((expected_slice / output[..., :3, :3]) <= 1 + TOLERANCE   )

     self.assertTrue(lower_bound and upper_bound   )





import importlib.util
import json
import os
import warnings
from dataclasses import dataclass, field

import torch

from ..training_args import TrainingArguments
from ..utils import cached_property, is_sagemaker_dp_enabled, logging


__UpperCAmelCase								=			logging.get_logger(__name__)





def      snake_case_				()      ->     str:
   # Get the sagemaker specific mp parameters from smp_options variable.
   __lowerCAmelCase  :      List[Any]    =						os.getenv("""SM_HP_MP_PARAMETERS""" ,       """{}"""					)
   try:
      # Parse it and check the field "partitions" is included, it is required for model parallel.
      __lowerCAmelCase  :      Any    =						json.loads(__A					)
      if "partitions" not in smp_options:
         return False
   except json.JSONDecodeError:
      return False

   # Get the sagemaker specific framework parameters from mpi_options variable.
   __lowerCAmelCase  :      Any    =						os.getenv("""SM_FRAMEWORK_PARAMS""" ,       """{}"""					)
   try:
      # Parse it and check the field "sagemaker_distributed_dataparallel_enabled".
      __lowerCAmelCase  :      Union[str, Any]    =						json.loads(__A					)
      if not mpi_options.get("""sagemaker_mpi_enabled""" ,       __A					):
         return False
   except json.JSONDecodeError:
      return False
   # Lastly, check if the `smdistributed` module is present.
   return importlib.util.find_spec("""smdistributed"""					) is not None


if is_sagemaker_model_parallel_available():
   import smdistributed.modelparallel.torch as smp

   smp.init()



@dataclass
class SCREAMING_SNAKE_CASE     (  a_			):
  """simple docstring"""






  lowerCamelCase   :      str										=field(
      default=""       ,							metadata={"help": "Used by the SageMaker launcher to send mp-specific args. Ignored in SageMakerTrainer"}       ,							)







  def 	SCREAMING_SNAKE_CASE   (      self			:   List[Any]   )							->     Optional[int]:






     """simple docstring"""







     super().__post_init__()
     warnings.warn(
         """`SageMakerTrainingArguments` is deprecated and will be removed in v5 of Transformers. You can use """
         """`TrainingArguments` instead."""	,							lowerCAmelCase	,							)







  @cached_property
  def 	SCREAMING_SNAKE_CASE   (      self			:   Any   )							->     "torch.device":






     """simple docstring"""







     logger.info("""PyTorch: setting up devices"""   )
     if torch.distributed.is_available() and torch.distributed.is_initialized() and self.local_rank == -1:
        logger.warning(
            """torch.distributed process group is initialized, but local_rank == -1. """
            """In order to use Torch DDP, launch your script with `python -m torch.distributed.launch"""   )
     if self.no_cuda:
        __lowerCAmelCase  :      Optional[Any]    =						torch.device("""cpu"""   )
        __lowerCAmelCase  :      Union[str, Any]    =						0
     elif is_sagemaker_model_parallel_available():
        __lowerCAmelCase  :      int    =						smp.local_rank()
        __lowerCAmelCase  :      str    =						torch.device("""cuda"""	,							lowerCAmelCase   )
        __lowerCAmelCase  :      Tuple    =						1
     elif is_sagemaker_dp_enabled():
        import smdistributed.dataparallel.torch.torch_smddp  # noqa: F401

        torch.distributed.init_process_group(backend="""smddp"""	,							timeout=self.ddp_timeout_delta   )
        __lowerCAmelCase  :      List[str]    =						int(os.getenv("""SMDATAPARALLEL_LOCAL_RANK"""   )   )
        __lowerCAmelCase  :      Tuple    =						torch.device("""cuda"""	,							self.local_rank   )
        __lowerCAmelCase  :      Optional[int]    =						1
     elif self.local_rank == -1:
        # if n_gpu is > 1 we'll use nn.DataParallel.
        # If you only want to use a specific subset of GPUs use `CUDA_VISIBLE_DEVICES=0`
        # Explicitly set CUDA to the first (index 0) CUDA device, otherwise `set_device` will
        # trigger an error that a device index is missing. Index 0 takes into account the
        # GPUs available in the environment, so `CUDA_VISIBLE_DEVICES=1,2` with `cuda:0`
        # will use the first GPU in that env, i.e. GPU#1
        __lowerCAmelCase  :      List[Any]    =						torch.device("""cuda:0""" if torch.cuda.is_available() else """cpu"""   )
        # Sometimes the line in the postinit has not been run before we end up here, so just checking we're not at
        # the default value.
        __lowerCAmelCase  :      Optional[int]    =						torch.cuda.device_count()
     else:
        # Here, we'll use torch.distributed.
        # Initializes the distributed backend which will take care of synchronizing nodes/GPUs
        if not torch.distributed.is_initialized():
           torch.distributed.init_process_group(backend="""nccl"""	,							timeout=self.ddp_timeout_delta   )
        __lowerCAmelCase  :      List[str]    =						torch.device("""cuda"""	,							self.local_rank   )
        __lowerCAmelCase  :      int    =						1

     if device.type == "cuda":
        torch.cuda.set_device(lowerCAmelCase   )

     return device







  @property
  def 	SCREAMING_SNAKE_CASE   (      self			:   int   )							->     Any:






     """simple docstring"""







     if is_sagemaker_model_parallel_available():
        return smp.dp_size()

     return super().world_size







  @property
  def 	SCREAMING_SNAKE_CASE   (      self			:   Optional[int]   )							->     Tuple:






     """simple docstring"""







     return not is_sagemaker_model_parallel_available()







  @property
  def 	SCREAMING_SNAKE_CASE   (      self			:   int   )							->     Tuple:






     """simple docstring"""







     return False


