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        UpperCAmelCase_					(				unittest.TestCase     ):




    def     __lowerCamelCase			(       self	: Any )						->			Tuple:
      a__  		=  inspect.getfile(accelerate.test_utils )
      a__  		=  os.path.sep.join(mod_file.split(os.path.sep )[:-1] + ["scripts", "test_sync.py"] )




    @require_cpu
    def     __lowerCamelCase			(       self	: Tuple )						->			List[Any]:
      debug_launcher(test_sync.main   ,   num_processes=1 )




    @require_cpu
    def     __lowerCamelCase			(       self	: List[str] )						->			Tuple:
      debug_launcher(test_sync.main )




    @require_single_gpu
    def     __lowerCamelCase			(       self	: List[Any] )						->			str:
      test_sync.main()




    @require_multi_gpu
    def     __lowerCamelCase			(       self	: Optional[Any] )						->			Any:
      print(f"Found {torch.cuda.device_count()} devices." )
      a__  		=  ["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() )


import math
def 					__lowercase						(    lowerCamelCase__       )					->bool:

  '''simple docstring'''




  if 1 < number < 4:
    # 2 and 3 are primes
    return True
  elif number < 2 or number % 2 == 0 or number % 3 == 0:
    # Negatives, 0, 1, all even numbers, all multiples of 3 are not primes
    return False

  # All primes number are in format of 6k +/- 1
  for i in range(5			,					int(math.sqrt(lowerCamelCase__       ) + 1       )			,					6       ):
    if number % i == 0 or number % (i + 2) == 0:
      return False
  return True
def 					__lowercase						(    lowerCamelCase__ = 2_00_00_00       )					->int:

  '''simple docstring'''




  return sum(num for num in range(3			,					lowerCamelCase__			,					2       ) if is_prime(lowerCamelCase__       )       ) + 2 if n > 2 else 0


if __name__ == "__main__":
     print(F"""{solution() = }""")

