
'''simple docstring'''

import json
import os
import tempfile

import datasets
from utils import generate_example_dataset, get_duration


_UpperCAmelCase   :      Tuple 						=  500000

_UpperCAmelCase						,							_UpperCAmelCase   :      Dict 						=  os.path.split(__file__)
_UpperCAmelCase   :      Optional[int] 						=  os.path.join(RESULTS_BASEPATH, """results""", RESULTS_FILENAME.replace(""".py""", """.json"""))







@get_duration
def 						snake_case__	(      UpperCamelCase	) ->      Optional[int]:
		_UpperCamelCase       : int    =      dataset.select(range(0			,len(UpperCamelCase	)			,2	)	)







@get_duration
def 						snake_case__	(      UpperCamelCase	) ->      List[Any]:
		_UpperCamelCase       : Optional[int]    =      dataset.sort('''numbers'''	)







@get_duration
def 						snake_case__	(      UpperCamelCase	) ->      List[Any]:
		_UpperCamelCase       : List[Any]    =      dataset.shuffle()







@get_duration
def 						snake_case__	(      UpperCamelCase	) ->      Any:
		_UpperCamelCase       : Tuple    =      dataset.train_test_split(0.1	)







@get_duration
def 						snake_case__	(      UpperCamelCase			,UpperCamelCase=10	) ->      int:
		for shard_id in range(UpperCamelCase	):
				_UpperCamelCase       : Any    =      dataset.shard(UpperCamelCase			,UpperCamelCase	)







def 						snake_case__	(      ) ->      Union[str, Any]:
		_UpperCamelCase       : Optional[int]    =      {'''num examples''': SPEED_TEST_N_EXAMPLES}
		_UpperCamelCase       : Tuple    =      (select, sort, shuffle, train_test_split, shard)
		with tempfile.TemporaryDirectory() as tmp_dir:
				print('''generating dataset'''	)
				_UpperCamelCase       : List[Any]    =      datasets.Features({'''text''': datasets.Value('''string'''	), '''numbers''': datasets.Value('''float32'''	)}	)
				_UpperCamelCase       : str    =      generate_example_dataset(
				    os.path.join(UpperCamelCase			,'''dataset.arrow'''	)			,UpperCamelCase			,num_examples=UpperCamelCase	)
				print('''Functions'''	)
				for func in functions:
						print(func.__name__	)
						_UpperCamelCase       : List[Any]    =      func(UpperCamelCase	)

		with open(UpperCamelCase			,'''wb'''	) as f:
				f.write(json.dumps(UpperCamelCase	).encode('''utf-8'''	)	)


if __name__ == "__main__":  # useful to run the profiler
	benchmark_indices_mapping()







'''simple docstring'''

from __future__ import annotations

from collections.abc import Iterable
from dataclasses import dataclass
from typing import Any

class 			UpperCAmelCase				:





		"""simple docstring"""





		A__  :   List[str]          =    ('_front', '_back', '_len')

		@dataclass
		class 			UpperCAmelCase				:





				"""simple docstring"""





				A__  :   Any          =    None
				A__  :   Deque._Node | None          =    None
				A__  :   Deque._Node | None          =    None







		class 			UpperCAmelCase				:





				"""simple docstring"""





				A__  :   Any          =    ('_cur',)
				def __init__(    self  ,					_snake_case     )				->    None:
						_UpperCamelCase       : Any    =      cur
				def __iter__(    self     )				->    Deque._Iterator:
						return self




				def _lowercase  (    self     )				->    Any:
						if self._cur is None:
								# finished iterating
								raise StopIteration
						_UpperCamelCase       : List[Any]    =      self._cur.val
						_UpperCamelCase       : List[Any]    =      self._cur.next_node

						return val







		def __init__(    self  ,					_snake_case = None     )				->    None:
				_UpperCamelCase       : Any    =      None
				_UpperCamelCase       : Any    =      None
				_UpperCamelCase       : int    =      0

				if iterable is not None:
						# append every value to the deque
						for val in iterable:
								self.append(_snake_case     )
		def _lowercase  (    self  ,					_snake_case     )				->    None:
				_UpperCamelCase       : List[str]    =      self._Node(_snake_case  ,					_snake_case  ,					_snake_case     )
				if self.is_empty():
						# front = back
						_UpperCamelCase       : Union[str, Any]    =      node
						_UpperCamelCase       : Tuple    =      1
				else:
						# connect nodes
						_UpperCamelCase       : Union[str, Any]    =      node
						_UpperCamelCase       : int    =      self._back
						_UpperCamelCase       : List[Any]    =      node  # assign new back to the new node

						self._len += 1

						# make sure there were no errors
						assert not self.is_empty(), "Error on appending value."
		def _lowercase  (    self  ,					_snake_case     )				->    None:
				_UpperCamelCase       : Optional[Any]    =      self._Node(_snake_case  ,					_snake_case  ,					_snake_case     )
				if self.is_empty():
						# front = back
						_UpperCamelCase       : Union[str, Any]    =      node
						_UpperCamelCase       : Optional[int]    =      1
				else:
						# connect nodes
						_UpperCamelCase       : Tuple    =      self._front
						_UpperCamelCase       : Optional[int]    =      node
						_UpperCamelCase       : List[str]    =      node  # assign new front to the new node

						self._len += 1

						# make sure there were no errors
						assert not self.is_empty(), "Error on appending value."
		def _lowercase  (    self  ,					_snake_case     )				->    None:
				for val in iterable:
						self.append(_snake_case     )
		def _lowercase  (    self  ,					_snake_case     )				->    None:
				for val in iterable:
						self.appendleft(_snake_case     )
		def _lowercase  (    self     )				->    Any:
				assert not self.is_empty(), "Deque is empty."

				_UpperCamelCase       : int    =      self._back
				_UpperCamelCase       : List[Any]    =      self._back.prev_node  # set new back
				# drop the last node - python will deallocate memory automatically
				_UpperCamelCase       : Union[str, Any]    =      None

				self._len -= 1

				return topop.val
		def _lowercase  (    self     )				->    Any:
				assert not self.is_empty(), "Deque is empty."

				_UpperCamelCase       : List[Any]    =      self._front
				_UpperCamelCase       : str    =      self._front.next_node  # set new front and drop the first node
				_UpperCamelCase       : Union[str, Any]    =      None

				self._len -= 1

				return topop.val
		def _lowercase  (    self     )				->    bool:
				return self._front is None
		def __len__(    self     )				->    int:
				return self._len
		def __eq__(    self  ,					_snake_case     )				->    bool:

				if not isinstance(_snake_case  ,					_snake_case     ):
						return NotImplemented

				_UpperCamelCase       : Optional[int]    =      self._front
				_UpperCamelCase       : List[Any]    =      other._front

				# if the length of the dequeues are not the same, they are not equal
				if len(self     ) != len(_snake_case     ):
						return False

				while me is not None and oth is not None:
						# compare every value
						if me.val != oth.val:
								return False
						_UpperCamelCase       : str    =      me.next_node
						_UpperCamelCase       : List[str]    =      oth.next_node

				return True
		def __iter__(    self     )				->    Deque._Iterator:
				return Deque._Iterator(self._front     )




		def __repr__(    self     )				->    str:
				_UpperCamelCase       : str    =      []
				_UpperCamelCase       : Tuple    =      self._front
				while aux is not None:
						# append the values in a list to display
						values_list.append(aux.val     )
						_UpperCamelCase       : List[str]    =      aux.next_node

				return F'''[{', '.join(repr(_snake_case     ) for val in values_list     )}]'''


if __name__ == "__main__":
	import doctest

	doctest.testmod()





