

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

@require_huggingface_suite
class 						__magic_name__   (							unittest.TestCase ):







 def 						_A(       self   ):
   lowercase									=inspect.getfile(accelerate.test_utils   )
   lowercase									=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

   lowercase									=test_metrics







 @require_cpu
 def 						_A(       self   ):
   debug_launcher(self.test_metrics.main  , num_processes=1   )







 @require_cpu
 def 						_A(       self   ):
   debug_launcher(self.test_metrics.main   )







 @require_single_gpu
 def 						_A(       self   ):
   self.test_metrics.main()







 @require_multi_gpu
 def 						_A(       self   ):
   print(f'Found {torch.cuda.device_count()} devices.'   )
   lowercase									=['''torchrun''', f'--nproc_per_node={torch.cuda.device_count()}', self.test_file_path]
   with patch_environment(omp_num_threads=1   ):
     execute_subprocess_async(snake_case_  , env=os.environ.copy()   )







"""simple docstring"""


from bisect import bisect
from itertools import accumulate

def      UpperCamelCase							(SCREAMING_SNAKE_CASE							,     SCREAMING_SNAKE_CASE							,     SCREAMING_SNAKE_CASE							,     SCREAMING_SNAKE_CASE     ):
						UpperCamelCase				:		Dict				   =			sorted(zip(SCREAMING_SNAKE_CASE							,     SCREAMING_SNAKE_CASE     )							,     key=lambda SCREAMING_SNAKE_CASE     : x[0] / x[1]							,     reverse=SCREAMING_SNAKE_CASE     )
						UpperCamelCase   ,						UpperCamelCase				:		int				   =			[i[0] for i in r], [i[1] for i in r]
						UpperCamelCase				:		Optional[Any]				   =			list(accumulate(SCREAMING_SNAKE_CASE     )     )
						UpperCamelCase				:		Optional[Any]				   =			bisect(SCREAMING_SNAKE_CASE							,     SCREAMING_SNAKE_CASE     )
						return (
						    0
						    if k == 0
						    else sum(vl[:k]     ) + (w - acc[k - 1]) * (vl[k]) / (wt[k])
						    if k != n
						    else sum(vl[:k]     )
						)


if __name__ == "__main__":
		import doctest

		doctest.testmod()



