




'''simple docstring'''



import inspect
import os
import unittest

import torch

import accelerate
from accelerate import debug_launcher
from accelerate.test_utils import (
    execute_subprocess_async,
    require_cpu,
    require_multi_gpu,
    require_single_gpu,
    test_sync,
)
from accelerate.utils import patch_environment







class 		lowercase_    ( unittest.TestCase   ):


   """simple docstring"""

   def 							lowerCAmelCase_			(    self					:	str    ):

      """simple docstring"""
      _SCREAMING_SNAKE_CASE       =      inspect.getfile(accelerate.test_utils    )
      _SCREAMING_SNAKE_CASE       =      os.path.sep.join(mod_file.split(os.path.sep    )[:-1] + ["scripts", "test_sync.py"]    )



   @require_cpu
   def 							lowerCAmelCase_			(    self					:	str    ):

      """simple docstring"""
      debug_launcher(test_sync.main  ,      num_processes=1    )



   @require_cpu
   def 							lowerCAmelCase_			(    self					:	Tuple    ):

      """simple docstring"""
      debug_launcher(test_sync.main    )



   @require_single_gpu
   def 							lowerCAmelCase_			(    self					:	Union[str, Any]    ):

      """simple docstring"""
      test_sync.main()



   @require_multi_gpu
   def 							lowerCAmelCase_			(    self					:	Optional[Any]    ):

      """simple docstring"""
      print(F"""Found {torch.cuda.device_count()} devices."""    )
      _SCREAMING_SNAKE_CASE       =      ["torchrun", F"""--nproc_per_node={torch.cuda.device_count()}""", self.test_file_path]
      with patch_environment(omp_num_threads=1    ):
         execute_subprocess_async(__UpperCamelCase  ,      env=os.environ.copy()    )







'''simple docstring'''







from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available, is_vision_available


_lowerCamelCase							:						Optional[Any]								=  {'configuration_bit': ['BIT_PRETRAINED_CONFIG_ARCHIVE_MAP', 'BitConfig', 'BitOnnxConfig']}

try:
						if not is_torch_available():
												raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
						pass
else:
						_lowerCamelCase							:						Dict								=  [
						    'BIT_PRETRAINED_MODEL_ARCHIVE_LIST',
						    'BitForImageClassification',
						    'BitModel',
						    'BitPreTrainedModel',
						    'BitBackbone',
						]


try:
						if not is_vision_available():
												raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
						pass
else:
						_lowerCamelCase							:						Union[str, Any]								=  ['BitImageProcessor']


if TYPE_CHECKING:
						from .configuration_bit import BIT_PRETRAINED_CONFIG_ARCHIVE_MAP, BitConfig, BitOnnxConfig

						try:
												if not is_torch_available():
																		raise OptionalDependencyNotAvailable()
						except OptionalDependencyNotAvailable:
												pass
						else:
												from .modeling_bit import (
												    BIT_PRETRAINED_MODEL_ARCHIVE_LIST,
												    BitBackbone,
												    BitForImageClassification,
												    BitModel,
												    BitPreTrainedModel,
												)

						try:
												if not is_vision_available():
																		raise OptionalDependencyNotAvailable()
						except OptionalDependencyNotAvailable:
												pass
						else:
												from .image_processing_bit import BitImageProcessor

else:
						import sys

						_lowerCamelCase							:						Optional[Any]								=  _LazyModule(__name__, globals()['__file__'], _import_structure)





