

import os
import pickle
import unittest
from collections import UserDict, namedtuple

import torch

from accelerate.test_utils.testing import require_cuda, require_torch_min_version
from accelerate.test_utils.training import RegressionModel
from accelerate.utils import (
    convert_outputs_to_fpaa,
    extract_model_from_parallel,
    find_device,
    listify,
    patch_environment,
    recursively_apply,
    send_to_device,
)


_UpperCamelCase			       =			namedtuple('''ExampleNamedTuple''', '''a b c''')



class     lowercase						(       unittest.TestCase					):



 '''simple docstring'''


 def   UpperCamelCase__							(self ) ->					Tuple:






  """simple docstring"""





  UpperCAmelCase__							=				torch.randn(5       ,       2 )
  UpperCAmelCase__							=				torch.device('cuda' ) if torch.cuda.is_available() else torch.device('cpu' )

  UpperCAmelCase__							=				send_to_device(__a       ,       __a )
  self.assertTrue(torch.equal(resulta.cpu()       ,       __a ) )

  UpperCAmelCase__							=				send_to_device((tensor, [tensor, tensor], 1)       ,       __a )
  self.assertIsInstance(__a       ,       __a )
  self.assertTrue(torch.equal(resulta[0].cpu()       ,       __a ) )
  self.assertIsInstance(resulta[1]       ,       __a )
  self.assertTrue(torch.equal(resulta[1][0].cpu()       ,       __a ) )
  self.assertTrue(torch.equal(resulta[1][1].cpu()       ,       __a ) )
  self.assertEqual(resulta[2]       ,       1 )

  UpperCAmelCase__							=				send_to_device({'a': tensor, 'b': [tensor, tensor], 'c': 1}       ,       __a )
  self.assertIsInstance(__a       ,       __a )
  self.assertTrue(torch.equal(resulta['a'].cpu()       ,       __a ) )
  self.assertIsInstance(resulta['b']       ,       __a )
  self.assertTrue(torch.equal(resulta['b'][0].cpu()       ,       __a ) )
  self.assertTrue(torch.equal(resulta['b'][1].cpu()       ,       __a ) )
  self.assertEqual(resulta['c']       ,       1 )

  UpperCAmelCase__							=				send_to_device(ExampleNamedTuple(a=__a       ,       b=[tensor, tensor]       ,       c=1 )       ,       __a )
  self.assertIsInstance(__a       ,       __a )
  self.assertTrue(torch.equal(resulta.a.cpu()       ,       __a ) )
  self.assertIsInstance(resulta.b       ,       __a )
  self.assertTrue(torch.equal(resulta.b[0].cpu()       ,       __a ) )
  self.assertTrue(torch.equal(resulta.b[1].cpu()       ,       __a ) )
  self.assertEqual(resulta.c       ,       1 )

  UpperCAmelCase__							=				send_to_device(UserDict({'a': tensor, 'b': [tensor, tensor], 'c': 1} )       ,       __a )
  self.assertIsInstance(__a       ,       __a )
  self.assertTrue(torch.equal(resulta['a'].cpu()       ,       __a ) )
  self.assertIsInstance(resulta['b']       ,       __a )
  self.assertTrue(torch.equal(resulta['b'][0].cpu()       ,       __a ) )
  self.assertTrue(torch.equal(resulta['b'][1].cpu()       ,       __a ) )
  self.assertEqual(resulta['c']       ,       1 )




 def   UpperCamelCase__							(self ) ->					List[str]:






  """simple docstring"""





  with self.assertRaises(__a ) as cm:
   UpperCAmelCase__							=				recursively_apply(torch.tensor       ,       (torch.tensor(1 ), 1)       ,       error_on_other_type=__a )
  self.assertEqual(
      str(cm.exception )       ,       'Unsupported types (<class \'int\'>) passed to `tensor`. Only nested list/tuple/dicts of objects that are valid for `is_torch_tensor` should be passed.'       ,       )




 def   UpperCamelCase__							(self ) ->					List[str]:






  """simple docstring"""





  UpperCAmelCase__							=				torch.tensor([1, 2, 3, 4, 5] )
  self.assertEqual(listify(__a )       ,       [1, 2, 3, 4, 5] )

  UpperCAmelCase__							=				torch.tensor([[1, 2, 3, 4, 5], [6, 7, 8, 9, 10]] )
  self.assertEqual(listify(__a )       ,       [[1, 2, 3, 4, 5], [6, 7, 8, 9, 10]] )

  UpperCAmelCase__							=				torch.tensor([[[1, 2, 3, 4, 5], [6, 7, 8, 9, 10]], [[11, 12, 13, 14, 15], [16, 17, 18, 19, 20]]] )
  self.assertEqual(
      listify(__a )       ,       [[[1, 2, 3, 4, 5], [6, 7, 8, 9, 10]], [[11, 12, 13, 14, 15], [16, 17, 18, 19, 20]]] )




 def   UpperCamelCase__							(self ) ->					int:






  """simple docstring"""





  with patch_environment(aa=1       ,       BB=2 ):
   self.assertEqual(os.environ.get('AA' )       ,       '1' )
   self.assertEqual(os.environ.get('BB' )       ,       '2' )

  self.assertNotIn('AA'       ,       os.environ )
  self.assertNotIn('BB'       ,       os.environ )




 def   UpperCamelCase__							(self ) ->					Dict:






  """simple docstring"""





  UpperCAmelCase__							=				RegressionModel()
  UpperCAmelCase__							=				model.forward
  UpperCAmelCase__							=				convert_outputs_to_fpaa(model.forward )
  UpperCAmelCase__							=				extract_model_from_parallel(__a       ,       keep_fpaa_wrapper=__a )
  UpperCAmelCase__							=				pickle.dumps(__a )




 @require_cuda
 def   UpperCamelCase__							(self ) ->					Tuple:






  """simple docstring"""





  UpperCAmelCase__							=				RegressionModel()
  UpperCAmelCase__							=				model.forward
  UpperCAmelCase__							=				torch.cuda.amp.autocast(dtype=torch.floataa )(model.forward )
  UpperCAmelCase__							=				convert_outputs_to_fpaa(model.forward )
  UpperCAmelCase__							=				extract_model_from_parallel(__a       ,       keep_fpaa_wrapper=__a )
  UpperCAmelCase__							=				pickle.dumps(__a )




 @require_cuda
 @require_torch_min_version(version='2.0' )
 def   UpperCamelCase__							(self ) ->					List[str]:






  """simple docstring"""





  UpperCAmelCase__							=				RegressionModel()
  UpperCAmelCase__							=				model.forward
  UpperCAmelCase__							=				torch.cuda.amp.autocast(dtype=torch.floataa )(model.forward )
  UpperCAmelCase__							=				convert_outputs_to_fpaa(model.forward )
  UpperCAmelCase__							=				torch.compile(model.forward       ,       backend='inductor' )
  UpperCAmelCase__							=				torch.randn(4       ,       10 ).cuda()
  UpperCAmelCase__							=				model(__a )




 def   UpperCamelCase__							(self ) ->					Optional[Any]:






  """simple docstring"""





  UpperCAmelCase__							=				RegressionModel()
  # could also do a test with DistributedDataParallel, but difficult to run on CPU or single GPU
  UpperCAmelCase__							=				torch.nn.parallel.DataParallel(__a )
  UpperCAmelCase__							=				extract_model_from_parallel(__a )

  self.assertEqual(__a       ,       __a )




 @require_torch_min_version(version='2.0' )
 def   UpperCamelCase__							(self ) ->					Optional[Any]:






  """simple docstring"""





  UpperCAmelCase__							=				RegressionModel()
  UpperCAmelCase__							=				torch.compile(__a )

  # could also do a test with DistributedDataParallel, but difficult to run on CPU or single GPU
  UpperCAmelCase__							=				torch.nn.parallel.DataParallel(__a )
  UpperCAmelCase__							=				torch.compile(__a )
  UpperCAmelCase__							=				extract_model_from_parallel(__a )

  self.assertEqual(compiled_model._orig_mod       ,       compiled_model_unwrapped._orig_mod )




 def   UpperCamelCase__							(self ) ->					str:






  """simple docstring"""





  self.assertEqual(find_device([1, 'a', torch.tensor([1, 2, 3] )] )       ,       torch.device('cpu' ) )
  self.assertEqual(find_device({'a': 1, 'b': torch.tensor([1, 2, 3] )} )       ,       torch.device('cpu' ) )
  self.assertIsNone(find_device([1, 'a'] ) )











import math
from collections import OrderedDict

import torch
from packaging import version
from torch import Tensor, nn

from .utils import logging


lowerCamelCase_						     =  logging.get_logger(__name__)




class 							a_ (						nn.Module		):


							'''simple docstring'''






							def __init__(		self   )					->					Any:
														'''simple docstring'''

														super().__init__()
														if version.parse(torch.__version__   ) < version.parse('1.12.0'   ):
																					raise ImportError(
																					    f'''You are using torch=={torch.__version__}, but torch>=1.12.0 is required to use '''
																					    'PytorchGELUTanh. Please upgrade torch.'   )






							def      _lowercase       (		self			,			lowercase_   )					->					Tensor:
														'''simple docstring'''

														return nn.functional.gelu(lowercase_			,			approximate='tanh'   )




class 							a_ (						nn.Module		):


							'''simple docstring'''






							def      _lowercase       (		self			,			lowercase_   )					->					Tensor:
														'''simple docstring'''

														return 0.5 * input * (1.0 + torch.tanh(math.sqrt(2.0 / math.pi   ) * (input + 0.04_47_15 * torch.pow(lowercase_			,			3.0   ))   ))




class 							a_ (						nn.Module		):


							'''simple docstring'''






							def __init__(		self			,			lowercase_ = False   )					->					Optional[Any]:
														'''simple docstring'''

														super().__init__()
														if use_gelu_python:
																					lowerCAmelCase_										=     self._gelu_python
														else:
																					lowerCAmelCase_										=     nn.functional.gelu

							def      _lowercase       (		self			,			lowercase_   )					->					Tensor:
														'''simple docstring'''

														return input * 0.5 * (1.0 + torch.erf(input / math.sqrt(2.0   )   ))






							def      _lowercase       (		self			,			lowercase_   )					->					Tensor:
														'''simple docstring'''

														return self.act(lowercase_   )




class 							a_ (						nn.Module		):


							'''simple docstring'''






							def      _lowercase       (		self			,			lowercase_   )					->					Tensor:
														'''simple docstring'''

														return 0.5 * input * (1.0 + torch.tanh(input * 0.79_78_84_56_08 * (1.0 + 0.04_47_15 * input * input)   ))




class 							a_ (						nn.Module		):


							'''simple docstring'''






							def      _lowercase       (		self			,			lowercase_   )					->					Tensor:
														'''simple docstring'''

														return input * torch.sigmoid(1.7_02 * input   )




class 							a_ (						nn.Module		):


							'''simple docstring'''






							def __init__(		self			,			lowercase_			,			lowercase_   )					->					Optional[int]:
														'''simple docstring'''

														if min > max:
																					raise ValueError(f'''min should be < max (got min: {min}, max: {max})'''   )

														super().__init__()
														lowerCAmelCase_										=     min
														lowerCAmelCase_										=     max






							def      _lowercase       (		self			,			lowercase_   )					->					Tensor:
														'''simple docstring'''

														return torch.clip(gelu(lowercase_   )			,			self.min			,			self.max   )




class 							a_ (						nn.Module		):


							'''simple docstring'''






							def __init__(		self   )					->					Union[str, Any]:
														'''simple docstring'''

														super().__init__()
														lowerCAmelCase_										=     math.sqrt(2 / math.pi   )






							def      _lowercase       (		self			,			lowercase_   )					->					Tensor:
														'''simple docstring'''

														return 0.5 * input * (1 + torch.tanh(self.precomputed_constant * (input + 0.04_47_15 * torch.pow(lowercase_			,			3   ))   ))




class 							a_ (						nn.Module		):


							'''simple docstring'''






							def      _lowercase       (		self			,			lowercase_   )					->					Tensor:
														'''simple docstring'''

														return nn.functional.silu(lowercase_   )




class 							a_ (						nn.Module		):


							'''simple docstring'''






							def __init__(		self   )					->					List[Any]:
														'''simple docstring'''

														super().__init__()
														if version.parse(torch.__version__   ) < version.parse('1.9.0'   ):
																					lowerCAmelCase_										=     self._mish_python
														else:
																					lowerCAmelCase_										=     nn.functional.mish

							def      _lowercase       (		self			,			lowercase_   )					->					Tensor:
														'''simple docstring'''

														return input * torch.tanh(nn.functional.softplus(lowercase_   )   )






							def      _lowercase       (		self			,			lowercase_   )					->					Tensor:
														'''simple docstring'''

														return self.act(lowercase_   )




class 							a_ (						nn.Module		):


							'''simple docstring'''






							def      _lowercase       (		self			,			lowercase_   )					->					Tensor:
														'''simple docstring'''

														return input




class 							a_ (						nn.Module		):


							'''simple docstring'''






							def      _lowercase       (		self			,			lowercase_			,			lowercase_=0.70_71_07			,			lowercase_=0.28_20_95   )					->					Optional[Any]:
														'''simple docstring'''

														lowerCAmelCase_										=     (input - mu).div(sigma * math.sqrt(2.0   )   )
														return 0.5 * (1.0 + torch.erf(lowercase_   ))




class 							a_ (						nn.Module		):


							'''simple docstring'''






							def      _lowercase       (		self			,			lowercase_   )					->					Any:
														'''simple docstring'''

														lowerCAmelCase_										=     nn.functional.relu(lowercase_   )
														lowerCAmelCase_										=     torch.square(lowercase_   )
														return squared




class 							a_ (						a_		):


							'''simple docstring'''






							def __getitem__(		self			,			lowercase_   )					->					Any:
														'''simple docstring'''

														lowerCAmelCase_										=     super().__getitem__(lowercase_   )
														lowerCAmelCase_						,   lowerCAmelCase_										=     content if isinstance(lowercase_			,			lowercase_   ) else (content, {})
														return cls(**lowercase_   )


lowerCamelCase_						     =  {
    """gelu""": GELUActivation,
    """gelu_10""": (ClippedGELUActivation, {"""min""": -1_0, """max""": 1_0}),
    """gelu_fast""": FastGELUActivation,
    """gelu_new""": NewGELUActivation,
    """gelu_python""": (GELUActivation, {"""use_gelu_python""": True}),
    """gelu_pytorch_tanh""": PytorchGELUTanh,
    """gelu_accurate""": AccurateGELUActivation,
    """laplace""": LaplaceActivation,
    """linear""": LinearActivation,
    """mish""": MishActivation,
    """quick_gelu""": QuickGELUActivation,
    """relu""": nn.ReLU,
    """relu2""": ReLUSquaredActivation,
    """relu6""": nn.ReLUa,
    """sigmoid""": nn.Sigmoid,
    """silu""": SiLUActivation,
    """swish""": SiLUActivation,
    """tanh""": nn.Tanh,
}
lowerCamelCase_						     =  ClassInstantier(ACTaCLS)
def      lowerCamelCase					(						a_	)	->			str:
							if activation_string in ACTaFN:
														return ACTaFN[activation_string]
							else:
														raise KeyError(F'''function {activation_string} not found in ACT2FN mapping {list(ACTaFN.keys()	)}'''	)


# For backwards compatibility with: from activations import gelu_python
lowerCamelCase_						     =  get_activation("""gelu_python""")
lowerCamelCase_						     =  get_activation("""gelu_new""")
lowerCamelCase_						     =  get_activation("""gelu""")
lowerCamelCase_						     =  get_activation("""gelu_fast""")
lowerCamelCase_						     =  get_activation("""quick_gelu""")
lowerCamelCase_						     =  get_activation("""silu""")
lowerCamelCase_						     =  get_activation("""mish""")



lowerCamelCase_						     =  get_activation("""linear""")



