code: 
  
  # as due to their complexity multi-gpu tests could impact other tests, and to aid debug we have those in a separate module.
  
  import os
  import sys
  
  from transformers.testing_utils import TestCasePlus, execute_subprocess_async, get_gpu_count, require_torch_gpu, slow
  
  from .utils import load_json
  
  
  
  
  
  
  
  class 		__magic_name__    (							lowerCamelCase__							):
  
  
  
     @classmethod
     def 				_UpperCAmelCase				(       cls )							->					str:
  
  
  
  
  
  
       """simple docstring"""
  
  
  
  
  
  
       return cls
  
  
  
     @slow
     @require_torch_gpu
     def 				_UpperCAmelCase				(       self )							->					List[Any]:
  
  
  
  
  
  
       """simple docstring"""
  
  
  
  
  
  
       a__						=self.get_auto_remove_tmp_dir()
       a__						=F"""
              --model_name Helsinki-NLP/opus-mt-en-ro
              --save_dir {output_dir}
              --data_dir {self.test_file_dir_str}/test_data/wmt_en_ro
              --num_beams 2
              --task translation
          """.split()
  
       # we want this test to run even if there is only one GPU, but if there are more we use them all
       a__						=get_gpu_count()
       a__						=F"""
              -m torch.distributed.launch
              --nproc_per_node={n_gpu}
              {self.test_file_dir}/run_distributed_eval.py
          """.split()
       a__						=[sys.executable] + distributed_args + args
       execute_subprocess_async(lowercase_,					env=self.get_env() )
  
       a__						=os.path.join(lowercase_,					'''test_bleu.json''' )
       a__						=load_json(lowercase_ )
       # print(metrics)
       self.assertGreaterEqual(metrics['''bleu'''],					25 )
  
style_context: 
  
  import math
  from decimal import Decimal, getcontext
  
  
  
  
  def     UpperCAmelCase__       (    _A   :				int = 4_00_00_00							):
  
  
  
  
  
    '''simple docstring'''
  
  
  
  
  
  
  
    try:
      a__						=int(_A							)
    except (TypeError, ValueError):
      raise TypeError('''Parameter n must be int or castable to int.'''							)
    if n <= 0:
      raise ValueError('''Parameter n must be greater than or equal to one.'''							)
    a__						=1_00
    a__						=(Decimal(5							) ** Decimal(0.5							) + 1) / Decimal(2							)
  
    a__						=(math.floor(math.log(n * (phi + 2)			,   _A							) - 1							) // 3) * 3 + 2
    a__						=Decimal(round(phi ** Decimal(index + 1							)							)							) / (phi + 2)
    a__						=num // 2
    return int(_A							)
  
  
  if __name__ == "__main__":
         print(f"""{solution() = }""")
  