





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_huggingface_suite,
    require_multi_gpu,
    require_single_gpu,
)
from accelerate.utils import patch_environment







@require_huggingface_suite
class 				__lowerCAmelCase       (    unittest.TestCase):







      def    _lowercase  (    self							)   ->						Any:



        '''simple docstring'''




        a__	:					Optional[int]										=inspect.getfile(accelerate.test_utils							)
        a__	:					List[Any]										=os.path.sep.join(
            mod_file.split(os.path.sep							)[:-1] + ["scripts", "external_deps", "test_metrics.py"]							)

        from accelerate.test_utils.scripts.external_deps import test_metrics  # noqa: F401

        a__	:					List[str]										=test_metrics







      @require_cpu
      def    _lowercase  (    self							)   ->						Optional[int]:



        '''simple docstring'''




        debug_launcher(self.test_metrics.main		,      num_processes=1							)







      @require_cpu
      def    _lowercase  (    self							)   ->						Dict:



        '''simple docstring'''




        debug_launcher(self.test_metrics.main							)







      @require_single_gpu
      def    _lowercase  (    self							)   ->						List[str]:



        '''simple docstring'''




        self.test_metrics.main()







      @require_multi_gpu
      def    _lowercase  (    self							)   ->						str:



        '''simple docstring'''




        print(F'''Found {torch.cuda.device_count()} devices.'''							)
        a__	:					List[str]										=["torchrun", F'''--nproc_per_node={torch.cuda.device_count()}''', self.test_file_path]
        with patch_environment(omp_num_threads=1							):
          execute_subprocess_async(lowerCAmelCase__		,      env=os.environ.copy()							)













def      _A       (		SCREAMING_SNAKE_CASE     :   list						):





  """simple docstring"""



  if not isinstance(SCREAMING_SNAKE_CASE       ,       SCREAMING_SNAKE_CASE						):
    raise ValueError("Input series is not valid, valid series - [2, 4, 6]"						)
  if len(SCREAMING_SNAKE_CASE						) == 0:
    raise ValueError("Input list must be a non empty list"						)
  if len(SCREAMING_SNAKE_CASE						) == 1:
    return True
  a__	:					Union[str, Any]										=series[1] - series[0]
  for index in range(len(SCREAMING_SNAKE_CASE						) - 1						):
    if series[index + 1] - series[index] != common_diff:
      return False
  return True
def      _A       (		SCREAMING_SNAKE_CASE     :   list						):





  """simple docstring"""



  if not isinstance(SCREAMING_SNAKE_CASE       ,       SCREAMING_SNAKE_CASE						):
    raise ValueError("Input series is not valid, valid series - [2, 4, 6]"						)
  if len(SCREAMING_SNAKE_CASE						) == 0:
    raise ValueError("Input list must be a non empty list"						)
  a__	:					Any										=0
  for val in series:
    answer += val
  return answer / len(SCREAMING_SNAKE_CASE						)


if __name__ == "__main__":
     import doctest

     doctest.testmod()






