


"""simple docstring"""







from __future__ import annotations

from random import random
from typing import Generic, TypeVar

__lowercase    =				TypeVar("""KT""")
__lowercase    =				TypeVar("""VT""")






class 						_A  (  Generic[KT, VT]  ):







    """simple docstring"""




    def __init__( self    :   Union[str, Any]    ,			__UpperCAmelCase    :   KT | str = "root"    ,			__UpperCAmelCase    :   VT | None = None):
      a						:		List[Any]											=      key
      a						:		int											=      value
      a						:		list[Node[KT, VT]]											=      []






    def __repr__( self    :   Union[str, Any]):
      return f'''Node({self.key}: {self.value})'''






    @property
    def      __snake_case							( self    :   str):
      return len(self.forward)






class 						_A  (  Generic[KT, VT]  ):







    """simple docstring"""




    def __init__( self    :   str    ,			__UpperCAmelCase    :   float = 0.5    ,			__UpperCAmelCase    :   int = 16):
      a						:		Node[KT, VT]											=      Node[KT, VT]()
      a						:		Union[str, Any]											=      0
      a						:		Optional[int]											=      p
      a						:		List[Any]											=      max_level






    def __str__( self    :   Optional[Any]):
      a						:		str											=      list(self)

      if len(__A) == 0:
        return f'''SkipList(level={self.level})'''

      a						:		List[str]											=      max((len(str(__A)) for item in items)    ,			default=4)
      a						:		Any											=      max(__A    ,			4) + 4

      a						:		Tuple											=      self.head
      a						:		Dict											=      []

      a						:		Optional[int]											=      node.forward.copy()
      lines.append(f'''[{node.key}]'''.ljust(__A    ,			"-") + "* " * len(__A))
      lines.append(" " * label_size + "| " * len(__A))

      while len(node.forward) != 0:
        a						:		Dict											=      node.forward[0]

        lines.append(
            f'''[{node.key}]'''.ljust(__A    ,			"-")
            + " ".join(str(n.key) if n.key == node.key else "|" for n in forwards))
        lines.append(" " * label_size + "| " * len(__A))
        a						:		List[Any]											=      node.forward

      lines.append("None".ljust(__A) + "* " * len(__A))
      return f'''SkipList(level={self.level})\n''' + "\n".join(__A)






    def __iter__( self    :   Dict):
      a						:		Dict											=      self.head

      while len(node.forward) != 0:
        yield node.forward[0].key
        a						:		Union[str, Any]											=      node.forward[0]






    def      __snake_case							( self    :   str):
      a						:		str											=      1
      while random() < self.p and level < self.max_level:
        level += 1

      return level






    def      __snake_case							( self    :   Union[str, Any]    ,			__UpperCAmelCase    :   List[str]):
      a						:		Union[str, Any]											=      []

      a						:		Optional[Any]											=      self.head

      for i in reversed(range(self.level)):
        # i < node.level - When node level is lesser than `i` decrement `i`.
        # node.forward[i].key < key - Jumping to node with key value higher
        #                             or equal to searched key would result
        #                             in skipping searched key.
        while i < node.level and node.forward[i].key < key:
          a						:		int											=      node.forward[i]
        # Each leftmost node (relative to searched node) will potentially have to
        # be updated.
        update_vector.append(__A)

      update_vector.reverse()  # Note that we were inserting values in reverse order.

      # len(node.forward) != 0 - If current node doesn't contain any further
      #                          references then searched key is not present.
      # node.forward[0].key == key - Next node key should be equal to search key
      #                              if key is present.
      if len(node.forward) != 0 and node.forward[0].key == key:
        return node.forward[0], update_vector
      else:
        return None, update_vector






    def      __snake_case							( self    :   Tuple    ,			__UpperCAmelCase    :   KT):
      a						:		Union[str, Any]											=      self._locate_node(__A)

      if node is not None:
        for i, update_node in enumerate(__A):
          # Remove or replace all references to removed node.
          if update_node.level > i and update_node.forward[i].key == key:
            if node.level > i:
              a						:		List[str]											=      node.forward[i]
            else:
              a						:		List[Any]											=      update_node.forward[:i]






    def      __snake_case							( self    :   int    ,			__UpperCAmelCase    :   KT    ,			__UpperCAmelCase    :   VT):
      a						:		List[str]											=      self._locate_node(__A)
      if node is not None:
        a						:		Union[str, Any]											=      value
      else:
        a						:		List[Any]											=      self.random_level()

        if level > self.level:
          # After level increase we have to add additional nodes to head.
          for _ in range(self.level - 1    ,			__A):
            update_vector.append(self.head)
          a						:		List[Any]											=      level

        a						:		List[Any]											=      Node(__A    ,			__A)

        for i, update_node in enumerate(update_vector[:level]):
          # Change references to pass through new node.
          if update_node.level > i:
            new_node.forward.append(update_node.forward[i])

          if update_node.level < i + 1:
            update_node.forward.append(__A)
          else:
            a						:		List[Any]											=      new_node






    def      __snake_case							( self    :   Tuple    ,			__UpperCAmelCase    :   VT):
      a						:		str											=      self._locate_node(__A)

      if node is not None:
        return node.value

      return None






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







  a						:		List[Any]											=      SkipList()
  skip_list.insert("Key1"  ,       3	)
  skip_list.insert("Key2"  ,       12	)
  skip_list.insert("Key3"  ,       41	)
  skip_list.insert("Key4"  ,       -19	)

  a						:		Optional[Any]											=      skip_list.head
  a						:		Tuple											=      {}
  while node.level != 0:
    a						:		Any											=      node.forward[0]
    a						:		Tuple											=      node.value

  assert len(A_	) == 4
  assert all_values["Key1"] == 3
  assert all_values["Key2"] == 12
  assert all_values["Key3"] == 41
  assert all_values["Key4"] == -19


def 					lowercase      (    )->				Dict:
  '''simple docstring'''







  a						:		List[str]											=      SkipList()
  skip_list.insert("Key1"  ,       10	)
  skip_list.insert("Key1"  ,       12	)

  skip_list.insert("Key5"  ,       7	)
  skip_list.insert("Key7"  ,       10	)
  skip_list.insert("Key10"  ,       5	)

  skip_list.insert("Key7"  ,       7	)
  skip_list.insert("Key5"  ,       5	)
  skip_list.insert("Key10"  ,       10	)

  a						:		Optional[Any]											=      skip_list.head
  a						:		List[str]											=      {}
  while node.level != 0:
    a						:		Union[str, Any]											=      node.forward[0]
    a						:		int											=      node.value

  if len(A_	) != 4:
    print()
  assert len(A_	) == 4
  assert all_values["Key1"] == 12
  assert all_values["Key7"] == 7
  assert all_values["Key5"] == 5
  assert all_values["Key10"] == 10


def 					lowercase      (    )->				Any:
  '''simple docstring'''







  a						:		int											=      SkipList()
  assert skip_list.find("Some key"	) is None


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







  a						:		Dict											=      SkipList()

  skip_list.insert("Key2"  ,       20	)
  assert skip_list.find("Key2"	) == 20

  skip_list.insert("Some Key"  ,       10	)
  skip_list.insert("Key2"  ,       8	)
  skip_list.insert("V"  ,       13	)

  assert skip_list.find("Y"	) is None
  assert skip_list.find("Key2"	) == 8
  assert skip_list.find("Some Key"	) == 10
  assert skip_list.find("V"	) == 13


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







  a						:		Any											=      SkipList()
  skip_list.delete("Some key"	)

  assert len(skip_list.head.forward	) == 0


def 					lowercase      (    )->				Optional[Any]:
  '''simple docstring'''







  a						:		Optional[int]											=      SkipList()

  skip_list.insert("Key1"  ,       12	)
  skip_list.insert("V"  ,       13	)
  skip_list.insert("X"  ,       14	)
  skip_list.insert("Key2"  ,       15	)

  skip_list.delete("V"	)
  skip_list.delete("Key2"	)

  assert skip_list.find("V"	) is None
  assert skip_list.find("Key2"	) is None


def 					lowercase      (    )->				str:
  '''simple docstring'''







  a						:		Optional[int]											=      SkipList()

  skip_list.insert("Key1"  ,       12	)
  skip_list.insert("V"  ,       13	)
  skip_list.insert("X"  ,       14	)
  skip_list.insert("Key2"  ,       15	)

  skip_list.delete("V"	)
  assert skip_list.find("V"	) is None
  assert skip_list.find("X"	) == 14
  assert skip_list.find("Key1"	) == 12
  assert skip_list.find("Key2"	) == 15

  skip_list.delete("X"	)
  assert skip_list.find("V"	) is None
  assert skip_list.find("X"	) is None
  assert skip_list.find("Key1"	) == 12
  assert skip_list.find("Key2"	) == 15

  skip_list.delete("Key1"	)
  assert skip_list.find("V"	) is None
  assert skip_list.find("X"	) is None
  assert skip_list.find("Key1"	) is None
  assert skip_list.find("Key2"	) == 15

  skip_list.delete("Key2"	)
  assert skip_list.find("V"	) is None
  assert skip_list.find("X"	) is None
  assert skip_list.find("Key1"	) is None
  assert skip_list.find("Key2"	) is None


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







  a						:		Optional[int]											=      SkipList()

  skip_list.insert("Key1"  ,       12	)
  skip_list.insert("V"  ,       13	)
  skip_list.insert("X"  ,       142	)
  skip_list.insert("Key2"  ,       15	)

  skip_list.delete("X"	)

  def traverse_keys(A_	):
    yield node.key
    for forward_node in node.forward:
      yield from traverse_keys(A_	)

  assert len(set(traverse_keys(skip_list.head	)	)	) == 4


def 					lowercase      (    )->				List[str]:
  '''simple docstring'''







  def is_sorted(A_	):
    return all(next_item >= item for item, next_item in zip(A_  ,       lst[1:]	)	)

  a						:		Any											=      SkipList()
  for i in range(10	):
    skip_list.insert(A_  ,       A_	)
  assert is_sorted(list(A_	)	)
  skip_list.delete(5	)
  skip_list.delete(8	)
  skip_list.delete(2	)
  assert is_sorted(list(A_	)	)
  skip_list.insert(-12  ,       -12	)
  skip_list.insert(77  ,       77	)
  assert is_sorted(list(A_	)	)


def 					lowercase      (    )->				Any:
  '''simple docstring'''







  for _ in range(100	):
    # Repeat test 100 times due to the probabilistic nature of skip list
    # random values == random bugs
    test_insert()
    test_insert_overrides_existing_value()

    test_searching_empty_list_returns_none()
    test_search()

    test_deleting_item_from_empty_list_do_nothing()
    test_deleted_items_are_not_founded_by_find_method()
    test_delete_removes_only_given_key()
    test_delete_doesnt_leave_dead_nodes()

    test_iter_always_yields_sorted_values()


def 					lowercase      (    )->				Dict:
  '''simple docstring'''







  a						:		List[Any]											=      SkipList()
  skip_list.insert(2  ,       "2"	)
  skip_list.insert(4  ,       "4"	)
  skip_list.insert(6  ,       "4"	)
  skip_list.insert(4  ,       "5"	)
  skip_list.insert(8  ,       "4"	)
  skip_list.insert(9  ,       "4"	)

  skip_list.delete(4	)

  print(A_	)


if __name__ == "__main__":
 import doctest

 doctest.testmod()
 main()










"""simple docstring"""







from ...configuration_utils import PretrainedConfig
from ...utils import logging


__lowercase    =				logging.get_logger(__name__)

__lowercase    =				{
    """EleutherAI/gpt-neox-20b""": """https://huggingface.co/EleutherAI/gpt-neox-20b/resolve/main/config.json""",
    # See all GPTNeoX models at https://huggingface.co/models?filter=gpt_neox
}






class 						_A  (  _a  ):







    """simple docstring"""




    UpperCAmelCase	:							Union[str, Any]     =	"""gpt_neox"""






    def __init__( self    :   List[str]    ,			__UpperCAmelCase    :   Tuple=50432    ,			__UpperCAmelCase    :   str=6144    ,			__UpperCAmelCase    :   Any=44    ,			__UpperCAmelCase    :   Union[str, Any]=64    ,			__UpperCAmelCase    :   Dict=24576    ,			__UpperCAmelCase    :   Any="gelu"    ,			__UpperCAmelCase    :   List[Any]=0.25    ,			__UpperCAmelCase    :   Optional[Any]=10000    ,			__UpperCAmelCase    :   Tuple=0.0    ,			__UpperCAmelCase    :   Union[str, Any]=0.0    ,			__UpperCAmelCase    :   Optional[int]=0.1    ,			__UpperCAmelCase    :   List[Any]=2048    ,			__UpperCAmelCase    :   Optional[Any]=0.02    ,			__UpperCAmelCase    :   Optional[Any]=1e-5    ,			__UpperCAmelCase    :   Dict=True    ,			__UpperCAmelCase    :   Union[str, Any]=0    ,			__UpperCAmelCase    :   Union[str, Any]=2    ,			__UpperCAmelCase    :   Any=False    ,			__UpperCAmelCase    :   List[Any]=True    ,			__UpperCAmelCase    :   int=None    ,			**__UpperCAmelCase    :   Tuple    ,			):
      super().__init__(bos_token_id=__UpperCAmelCase    ,			eos_token_id=__UpperCAmelCase    ,			**__UpperCAmelCase)
      a						:		List[Any]											=      vocab_size
      a						:		Optional[int]											=      max_position_embeddings
      a						:		List[Any]											=      hidden_size
      a						:		Union[str, Any]											=      num_hidden_layers
      a						:		int											=      num_attention_heads
      a						:		Union[str, Any]											=      intermediate_size
      a						:		Optional[Any]											=      hidden_act
      a						:		Dict											=      rotary_pct
      a						:		Any											=      rotary_emb_base
      a						:		Dict											=      attention_dropout
      a						:		List[str]											=      hidden_dropout
      a						:		List[str]											=      classifier_dropout
      a						:		Any											=      initializer_range
      a						:		Union[str, Any]											=      layer_norm_eps
      a						:		int											=      use_cache
      a						:		int											=      tie_word_embeddings
      a						:		str											=      use_parallel_residual
      a						:		Union[str, Any]											=      rope_scaling
      self._rope_scaling_validation()

      if self.hidden_size % self.num_attention_heads != 0:
        raise ValueError(
            "The hidden size is not divisble by the number of attention heads! Make sure to update them!")






    def      __snake_case							( self    :   Any):
      if self.rope_scaling is None:
        return

      if not isinstance(self.rope_scaling    ,			__UpperCAmelCase) or len(self.rope_scaling) != 2:
        raise ValueError(
            "`rope_scaling` must be a dictionary with with two fields, `name` and `factor`, "
            f'''got {self.rope_scaling}''')
      a						:		str											=      self.rope_scaling.get("type"    ,			__UpperCAmelCase)
      a						:		List[str]											=      self.rope_scaling.get("factor"    ,			__UpperCAmelCase)
      if rope_scaling_type is None or rope_scaling_type not in ["linear", "dynamic"]:
        raise ValueError(
            f'''`rope_scaling`\'s name field must be one of [\'linear\', \'dynamic\'], got {rope_scaling_type}''')
      if rope_scaling_factor is None or not isinstance(__UpperCAmelCase    ,			__UpperCAmelCase) or rope_scaling_factor <= 1.0:
        raise ValueError(f'''`rope_scaling`\'s factor field must be an float > 1, got {rope_scaling_factor}''')






