
'''simple docstring'''

import baseaa
import io
import json
import os
from copy import deepcopy

from ..optimizer import AcceleratedOptimizer
from ..scheduler import AcceleratedScheduler




class    lowerCAmelCase       :


 def __init__(    self  : Tuple			,							a__  : str    ):
  '''simple docstring'''

  if isinstance(lowerCAmelCase_			,							lowerCAmelCase_    ):
   # Don't modify user's data should they want to reuse it (e.g. in tests), because once we
   # modified it, it will not be accepted here again, since `auto` values would have been overridden
   lowerCAmelCase__     :   Optional[Any]     		=	deepcopy(lowerCAmelCase_    )
  elif os.path.exists(lowerCAmelCase_    ):
   with io.open(lowerCAmelCase_			,							"r"			,							encoding="utf-8"    ) as f:
    lowerCAmelCase__     :   int     		=	json.load(lowerCAmelCase_    )
  else:
   try:
    lowerCAmelCase__     :   Tuple     		=	baseaa.urlsafe_baadecode(lowerCAmelCase_    ).decode("utf-8"    )
    lowerCAmelCase__     :   Optional[Any]     		=	json.loads(lowerCAmelCase_    )
   except (UnicodeDecodeError, AttributeError, ValueError):
    raise ValueError(
        F'''Expected a string path to an existing deepspeed config, or a dictionary, or a base64 encoded string. Received: {config_file_or_dict}'''    )

  lowerCAmelCase__     :   List[Any]     		=	config

  self.set_stage_and_offload()


 def    _A	(    self  : int    ):
  '''simple docstring'''

  lowerCAmelCase__     :   List[Any]     		=	self.get_value("zero_optimization.stage"			,							-1    )

  # offload
  lowerCAmelCase__     :   Union[str, Any]     		=	False
  if self.is_zeroa() or self.is_zeroa():
   lowerCAmelCase__     :   str     		=	set(["cpu", "nvme"]    )
   lowerCAmelCase__     :   Tuple     		=	set(
       [
           self.get_value("zero_optimization.offload_optimizer.device"    ),
           self.get_value("zero_optimization.offload_param.device"    ),
       ]    )
   if len(offload_devices & offload_devices_valid    ) > 0:
    lowerCAmelCase__     :   int     		=	True


 def    _A	(    self  : Tuple			,							a__  : Any    ):
  '''simple docstring'''

  lowerCAmelCase__     :   List[Any]     		=	self.config

  # find the config node of interest if it exists
  lowerCAmelCase__     :   Any     		=	ds_key_long.split("."    )
  lowerCAmelCase__     :   List[Any]     		=	nodes.pop()
  for node in nodes:
   lowerCAmelCase__     :   str     		=	config.get(lowerCAmelCase_    )
   if config is None:
    return None, ds_key

  return config, ds_key


 def    _A	(    self  : int			,							a__  : List[Any]			,							a__  : Optional[Any]=None    ):
  '''simple docstring'''

  lowerCAmelCase__		,     lowerCAmelCase__     :   List[Any]     		=	self.find_config_node(lowerCAmelCase_    )
  if config is None:
   return default
  return config.get(lowerCAmelCase_			,							lowerCAmelCase_    )


 def    _A	(    self  : str			,							a__  : str			,							a__  : str=False    ):
  '''simple docstring'''

  lowerCAmelCase__     :   Optional[Any]     		=	self.config

  # find the config node of interest if it exists
  lowerCAmelCase__     :   Tuple     		=	ds_key_long.split("."    )
  for node in nodes:
   lowerCAmelCase__     :   List[Any]     		=	config
   lowerCAmelCase__     :   Optional[int]     		=	config.get(lowerCAmelCase_    )
   if config is None:
    if must_exist:
     raise ValueError(F'''Can\'t find {ds_key_long} entry in the config: {self.config}'''    )
    else:
     return

        # if found remove it
  if parent_config is not None:
   parent_config.pop(lowerCAmelCase_    )


 def    _A	(    self  : Optional[Any]			,							a__  : List[str]    ):
  '''simple docstring'''

  lowerCAmelCase__     :   Any     		=	self.get_value(lowerCAmelCase_    )
  return False if value is None else bool(lowerCAmelCase_    )


 def    _A	(    self  : List[str]			,							a__  : Tuple    ):
  '''simple docstring'''

  lowerCAmelCase__     :   Dict     		=	self.get_value(lowerCAmelCase_    )
  return False if value is None else not bool(lowerCAmelCase_    )


 def    _A	(    self  : Optional[int]    ):
  '''simple docstring'''

  return self._stage == 2


 def    _A	(    self  : Any    ):
  '''simple docstring'''

  return self._stage == 3


 def    _A	(    self  : List[Any]    ):
  '''simple docstring'''

  return self._offload




class    lowerCAmelCase       :


 def __init__(    self  : int			,							a__  : Any    ):
  '''simple docstring'''

  lowerCAmelCase__     :   str     		=	engine


 def    _A	(    self  : str			,							a__  : List[Any]			,							**a__  : str    ):
  '''simple docstring'''

  self.engine.backward(lowerCAmelCase_			,							**lowerCAmelCase_    )

  # Deepspeed's `engine.step` performs the following operations:
  # - gradient accumulation check
  # - gradient clipping
  # - optimizer step
  # - zero grad
  # - checking overflow
  # - lr_scheduler step (only if engine.lr_scheduler is not None)
  self.engine.step()
  # and this plugin overrides the above calls with no-ops when Accelerate runs under
  # Deepspeed, but allows normal functionality for non-Deepspeed cases thus enabling a simple
  # training loop that works transparently under many training regimes.




class    lowerCAmelCase       (     _a  ):


 def __init__(    self  : Optional[int]			,							a__  : Any    ):
  '''simple docstring'''

  super().__init__(lowerCAmelCase_			,							device_placement=lowerCAmelCase_			,							scaler=lowerCAmelCase_    )
  lowerCAmelCase__     :   List[str]     		=	hasattr(self.optimizer			,							"overflow"    )


 def    _A	(    self  : int			,							a__  : Any=None    ):
  '''simple docstring'''

  pass  # `accelerator.backward(loss)` is doing that automatically. Therefore, its implementation is not needed


 def    _A	(    self  : Dict    ):
  '''simple docstring'''

  pass  # `accelerator.backward(loss)` is doing that automatically. Therefore, its implementation is not needed


 @property
 def    _A	(    self  : List[Any]    ):
  '''simple docstring'''

  if self.__has_overflow__:
   return self.optimizer.overflow
  return False




class    lowerCAmelCase       (     _a  ):


 def __init__(    self  : Dict			,							a__  : str			,							a__  : Tuple    ):
  '''simple docstring'''

  super().__init__(lowerCAmelCase_			,							lowerCAmelCase_    )


 def    _A	(    self  : Tuple    ):
  '''simple docstring'''

  pass  # `accelerator.backward(loss)` is doing that automatically. Therefore, its implementation is not needed




class    lowerCAmelCase       :


 def __init__(    self  : Optional[Any]			,							a__  : Tuple			,							a__  : Union[str, Any]=0.001			,							a__  : Optional[int]=0			,							**a__  : Any    ):
  '''simple docstring'''

  lowerCAmelCase__     :   List[str]     		=	params
  lowerCAmelCase__     :   int     		=	lr
  lowerCAmelCase__     :   Union[str, Any]     		=	weight_decay
  lowerCAmelCase__     :   str     		=	kwargs




class    lowerCAmelCase       :


 def __init__(    self  : Any			,							a__  : Union[str, Any]			,							a__  : List[str]=None			,							a__  : int=0			,							**a__  : Any    ):
  '''simple docstring'''

  lowerCAmelCase__     :   Dict     		=	optimizer
  lowerCAmelCase__     :   Any     		=	total_num_steps
  lowerCAmelCase__     :   str     		=	warmup_num_steps
  lowerCAmelCase__     :   str     		=	kwargs











'''simple docstring'''


from collections.abc import Generator
from math import sin
def 						snake_case_       (UpperCamelCase			:    bytes ):





							'''simple docstring'''


							if len(UpperCamelCase ) != 32:
														raise ValueError('''Input must be of length 32''' )

							_a      	=							B''''''
							for i in [3, 2, 1, 0]:
														little_endian += string_aa[8 * i : 8 * i + 8]
							return little_endian
def 						snake_case_       (UpperCamelCase			:    int ):





							'''simple docstring'''


							if i < 0:
														raise ValueError('''Input must be non-negative''' )

							_a      	=							format(UpperCamelCase					,		'''08x''' )[-8:]
							_a      	=							B''''''
							for i in [3, 2, 1, 0]:
														little_endian_hex += hex_rep[2 * i : 2 * i + 2].encode('''utf-8''' )
							return little_endian_hex
def 						snake_case_       (UpperCamelCase			:    bytes ):





							'''simple docstring'''


							_a      	=							B''''''
							for char in message:
														bit_string += format(UpperCamelCase					,		'''08b''' ).encode('''utf-8''' )
							_a      	=							format(len(UpperCamelCase )					,		'''064b''' ).encode('''utf-8''' )

							# Pad bit_string to a multiple of 512 chars
							bit_string += b"1"
							while len(UpperCamelCase ) % 512 != 448:
														bit_string += b"0"
							bit_string += to_little_endian(start_len[32:] ) + to_little_endian(start_len[:32] )

							return bit_string
def 						snake_case_       (UpperCamelCase			:    bytes ):





							'''simple docstring'''


							if len(UpperCamelCase ) % 512 != 0:
														raise ValueError('''Input must have length that\'s a multiple of 512''' )

							for pos in range(0					,		len(UpperCamelCase )					,		512 ):
														_a      	=							bit_string[pos : pos + 512]
														_a      	=							[]
														for i in range(0					,		512					,		32 ):
																					block_words.append(int(to_little_endian(block[i : i + 32] )					,		2 ) )
														yield block_words
def 						snake_case_       (UpperCamelCase			:    int ):





							'''simple docstring'''


							if i < 0:
														raise ValueError('''Input must be non-negative''' )

							_a      	=							format(UpperCamelCase					,		'''032b''' )
							_a      	=							''''''
							for c in i_str:
														new_str += "1" if c == "0" else "0"
							return int(UpperCamelCase					,		2 )
def 						snake_case_       (UpperCamelCase			:    int					,		UpperCamelCase			:    int ):





							'''simple docstring'''


							return (a + b) % 2**32
def 						snake_case_       (UpperCamelCase			:    int					,		UpperCamelCase			:    int ):





							'''simple docstring'''


							if i < 0:
														raise ValueError('''Input must be non-negative''' )
							if shift < 0:
														raise ValueError('''Shift must be non-negative''' )
							return ((i << shift) ^ (i >> (32 - shift))) % 2**32
def 						snake_case_       (UpperCamelCase			:    bytes ):





							'''simple docstring'''


							_a      	=							preprocess(UpperCamelCase )

							_a      	=							[int(2**32 * abs(sin(i + 1 ) ) ) for i in range(64 )]

							# Starting states
							_a      	=							0X67452301
							_a      	=							0Xefcdab89
							_a      	=							0X98badcfe
							_a      	=							0X10325476

							_a      	=							[
							    7,
							    12,
							    17,
							    22,
							    7,
							    12,
							    17,
							    22,
							    7,
							    12,
							    17,
							    22,
							    7,
							    12,
							    17,
							    22,
							    5,
							    9,
							    14,
							    20,
							    5,
							    9,
							    14,
							    20,
							    5,
							    9,
							    14,
							    20,
							    5,
							    9,
							    14,
							    20,
							    4,
							    11,
							    16,
							    23,
							    4,
							    11,
							    16,
							    23,
							    4,
							    11,
							    16,
							    23,
							    4,
							    11,
							    16,
							    23,
							    6,
							    10,
							    15,
							    21,
							    6,
							    10,
							    15,
							    21,
							    6,
							    10,
							    15,
							    21,
							    6,
							    10,
							    15,
							    21,
							]

							# Process bit string in chunks, each with 16 32-char words
							for block_words in get_block_words(UpperCamelCase ):
														_a      	=							aa
														_a      	=							ba
														_a      	=							ca
														_a      	=							da

														# Hash current chunk
														for i in range(64 ):
																					if i <= 15:
																												# f = (b & c) | (not_32(b) & d)     # Alternate definition for f
																												_a      	=							d ^ (b & (c ^ d))
																												_a      	=							i
																					elif i <= 31:
																												# f = (d & b) | (not_32(d) & c)     # Alternate definition for f
																												_a      	=							c ^ (d & (b ^ c))
																												_a      	=							(5 * i + 1) % 16
																					elif i <= 47:
																												_a      	=							b ^ c ^ d
																												_a      	=							(3 * i + 5) % 16
																					else:
																												_a      	=							c ^ (b | not_aa(UpperCamelCase ))
																												_a      	=							(7 * i) % 16
																					_a      	=							(f + a + added_consts[i] + block_words[g]) % 2**32
																					_a      	=							d
																					_a      	=							c
																					_a      	=							b
																					_a      	=							sum_aa(UpperCamelCase					,		left_rotate_aa(UpperCamelCase					,		shift_amounts[i] ) )

														# Add hashed chunk to running total
														_a      	=							sum_aa(UpperCamelCase					,		UpperCamelCase )
														_a      	=							sum_aa(UpperCamelCase					,		UpperCamelCase )
														_a      	=							sum_aa(UpperCamelCase					,		UpperCamelCase )
														_a      	=							sum_aa(UpperCamelCase					,		UpperCamelCase )

							_a      	=							reformat_hex(UpperCamelCase ) + reformat_hex(UpperCamelCase ) + reformat_hex(UpperCamelCase ) + reformat_hex(UpperCamelCase )
							return digest


if __name__ == "__main__":
				import doctest

				doctest.testmod()

