import unittest

import torch
from torch import nn

from accelerate.test_utils import require_cuda
from accelerate.utils.memory import find_executable_batch_size, release_memory




def       lowerCAmelCase_     (		)    ->				Any:







 '''simple docstring'''
 raise RuntimeError('''CUDA out of memory.'''		)




class  __magic_name__  (		nn.Module    ):





   """simple docstring"""




   def __init__(	self					:  Optional[int]							):



    """simple docstring"""



    super().__init__()
    _UpperCamelCase:     Any							= nn.Linear(3		,  4							)
    _UpperCamelCase:     Any							= nn.BatchNormad(4							)
    _UpperCamelCase:     List[str]							= nn.Linear(4		,  5							)



   def   lowerCAmelCase						(	self					:  List[str]		,  _lowercase					:  Union[str, Any]							):



    """simple docstring"""



    return self.lineara(self.batchnorm(self.lineara(_lowercase							)							)							)




class  __magic_name__  (		unittest.TestCase    ):





   """simple docstring"""




   def   lowerCAmelCase						(	self					:  Any							):



    """simple docstring"""



    _UpperCamelCase:     Any							= []

    @find_executable_batch_size(starting_batch_size=128							)
    def mock_training_loop_function(_lowercase					:  Any							):
     nonlocal batch_sizes
     batch_sizes.append(_lowercase							)
     if batch_size != 8:
      raise_fake_out_of_memory()

    mock_training_loop_function()
    self.assertListEqual(_lowercase		,  [128, 64, 32, 16, 8]							)



   def   lowerCAmelCase						(	self					:  Any							):



    """simple docstring"""



    _UpperCamelCase:     List[str]							= []

    @find_executable_batch_size(starting_batch_size=128							)
    def mock_training_loop_function(_lowercase					:  Union[str, Any]		,  _lowercase					:  int							):
     nonlocal batch_sizes
     batch_sizes.append(_lowercase							)
     if batch_size != 8:
      raise_fake_out_of_memory()
     return batch_size, arga

    _UpperCamelCase	,							_UpperCamelCase:     Any							= mock_training_loop_function('''hello'''							)
    self.assertListEqual(_lowercase		,  [128, 64, 32, 16, 8]							)
    self.assertListEqual([bs, arga]		,  [8, '''hello''']							)



   def   lowerCAmelCase						(	self					:  str							):



    """simple docstring"""



    @find_executable_batch_size(starting_batch_size=0							)
    def mock_training_loop_function(_lowercase					:  Optional[int]							):
     pass

    with self.assertRaises(_lowercase							) as cm:
     mock_training_loop_function()
     self.assertIn('''No executable batch size found, reached zero.'''		,  cm.exception.args[0]							)



   def   lowerCAmelCase						(	self					:  List[str]							):



    """simple docstring"""



    @find_executable_batch_size(starting_batch_size=16							)
    def mock_training_loop_function(_lowercase					:  Optional[Any]							):
     if batch_size > 0:
      raise_fake_out_of_memory()
     pass

    with self.assertRaises(_lowercase							) as cm:
     mock_training_loop_function()
     self.assertIn('''No executable batch size found, reached zero.'''		,  cm.exception.args[0]							)



   def   lowerCAmelCase						(	self					:  int							):



    """simple docstring"""



    @find_executable_batch_size(starting_batch_size=128							)
    def mock_training_loop_function(_lowercase					:  Optional[Any]		,  _lowercase					:  Union[str, Any]		,  _lowercase					:  Optional[Any]							):
     if batch_size != 8:
      raise raise_fake_out_of_memory()

    with self.assertRaises(_lowercase							) as cm:
     mock_training_loop_function(128		,  '''hello'''		,  '''world'''							)
     self.assertIn('''Batch size was passed into `f`'''		,  cm.exception.args[0]							)
     self.assertIn('''`f(arg1=\'hello\', arg2=\'world\')'''		,  cm.exception.args[0]							)



   def   lowerCAmelCase						(	self					:  Optional[Any]							):



    """simple docstring"""



    @find_executable_batch_size(starting_batch_size=16							)
    def mock_training_loop_function(_lowercase					:  Dict							):
     raise ValueError('''Oops, we had an error!'''							)

    with self.assertRaises(_lowercase							) as cm:
     mock_training_loop_function()
     self.assertIn('''Oops, we had an error!'''		,  cm.exception.args[0]							)



   @require_cuda
   def   lowerCAmelCase						(	self					:  int							):



    """simple docstring"""



    _UpperCamelCase:     List[Any]							= torch.cuda.memory_allocated()
    _UpperCamelCase:     int							= ModelForTest()
    model.cuda()
    self.assertGreater(torch.cuda.memory_allocated()		,  _lowercase							)
    _UpperCamelCase:     List[Any]							= release_memory(_lowercase							)
    self.assertEqual(torch.cuda.memory_allocated()		,  _lowercase							)
from __future__ import annotations




class  __magic_name__  :





   """simple docstring"""




   def __init__(	self					:  Any		,  _lowercase					:  Dict=None							):



    """simple docstring"""



    _UpperCamelCase:     Tuple							= data
    _UpperCamelCase:     int							= None



   def __repr__(	self					:  Dict							):



    """simple docstring"""



    _UpperCamelCase:     int							= []
    _UpperCamelCase:     str							= self
    while temp:
     string_rep.append(f"""{temp.data}"""							)
     _UpperCamelCase:     Optional[Any]							= temp.next
    return "->".join(_lowercase							)




def       lowerCAmelCase_     (		lowercase:							list		)    ->				Optional[int]:







 '''simple docstring'''
 if not elements_list:
  raise Exception('''The Elements List is empty'''		)

 _UpperCamelCase:     Optional[Any]							= Node(elements_list[0]		)
 for i in range(1  ,					len(lowercase		)		):
  _UpperCamelCase:     Union[str, Any]							= Node(elements_list[i]		)
  _UpperCamelCase:     Optional[int]							= current.next
 return head




def       lowerCAmelCase_     (		lowercase:							Node		)    ->				None:







 '''simple docstring'''
 if head_node is not None and isinstance(lowercase  ,					lowercase		):
  print_reverse(head_node.next		)
  print(head_node.data		)




def       lowerCAmelCase_     (		)    ->				Tuple:







 '''simple docstring'''
 from doctest import testmod

 testmod()

 _UpperCamelCase:     Any							= make_linked_list([14, 52, 14, 12, 43]		)
 print('''Linked List:'''		)
 print(lowercase		)
 print('''Elements in Reverse:'''		)
 print_reverse(lowercase		)


if __name__ == "__main__":
  main()