from __future__ import annotations

from statistics import mean





def       lowerCAmelCase					(		UpperCamelCase__				:   list[int]    ,					UpperCamelCase__				:   list[int]    ,					UpperCamelCase__				:   int       ):


	"""simple docstring"""
	__UpperCAmelCase							=			[0] * no_of_processes
	__UpperCAmelCase							=			[0] * no_of_processes

	# Initialize remaining_time to waiting_time.

	for i in range(UpperCamelCase__       ):
		__UpperCAmelCase							=			burst_time[i]
	__UpperCAmelCase							=			[]

	__UpperCAmelCase							=			0
	__UpperCAmelCase							=			0

	# When processes are not completed,
	# A process whose arrival time has passed \
	# and has remaining execution time is put into the ready_process.
	# The shortest process in the ready_process, target_process is executed.

	while completed != no_of_processes:
		__UpperCAmelCase							=			[]
		__UpperCAmelCase							=			-1

		for i in range(UpperCamelCase__       ):
			if (arrival_time[i] <= total_time) and (remaining_time[i] > 0):
				ready_process.append(UpperCamelCase__       )

		if len(UpperCamelCase__       ) > 0:
			__UpperCAmelCase							=			ready_process[0]
			for i in ready_process:
				if remaining_time[i] < remaining_time[target_process]:
					__UpperCAmelCase							=			i
			total_time += burst_time[target_process]
			completed += 1
			__UpperCAmelCase							=			0
			__UpperCAmelCase							=			(
			    total_time - arrival_time[target_process] - burst_time[target_process]
			)
		else:
			total_time += 1

	return waiting_time





def       lowerCAmelCase					(		UpperCamelCase__				:   list[int]    ,					UpperCamelCase__				:   int    ,					UpperCamelCase__				:   list[int]       ):


	"""simple docstring"""
	__UpperCAmelCase							=			[0] * no_of_processes
	for i in range(UpperCamelCase__       ):
		__UpperCAmelCase							=			burst_time[i] + waiting_time[i]
	return turn_around_time


if __name__ == "__main__":
					print("[TEST CASE 01]")

					__lowerCAmelCase	:       List[Any]						       =	4
					__lowerCAmelCase	:       List[Any]						       =	[2, 5, 3, 7]
					__lowerCAmelCase	:       Tuple						       =	[0, 0, 0, 0]
					__lowerCAmelCase	:       Optional[int]						       =	calculate_waitingtime(arrival_time, burst_time, no_of_processes)
					__lowerCAmelCase	:       Dict						       =	calculate_turnaroundtime(
					    burst_time, no_of_processes, waiting_time
					)

					# Printing the Result
					print("PID\tBurst Time\tArrival Time\tWaiting Time\tTurnaround Time")
					for i, process_id in enumerate(list(range(1, 5))):
										print(
										    F"""{process_id}\t{burst_time[i]}\t\t\t{arrival_time[i]}\t\t\t\t"""
										    F"""{waiting_time[i]}\t\t\t\t{turn_around_time[i]}"""
										)
					print(F"""\nAverage waiting time = {mean(waiting_time):.5f}""")
					print(F"""Average turnaround time = {mean(turn_around_time):.5f}""")

'''simple docstring'''


import ast
import os
import re
import shutil
import tempfile
import unittest
from unittest import mock

import torch

from accelerate.test_utils.examples import compare_against_test
from accelerate.test_utils.testing import TempDirTestCase, require_trackers, run_command, slow
from accelerate.utils import write_basic_config


# DataLoaders built from `test_samples/MRPC` for quick testing
# Should mock `{script_name}.get_dataloaders` via:
# @mock.patch("{script_name}.get_dataloaders", mocked_dataloaders)

__lowerCAmelCase	:       Optional[int]						       =	[
    "cross_validation.py",
    "gradient_accumulation.py",
    "local_sgd.py",
    "multi_process_metrics.py",
    "memory.py",
    "automatic_gradient_accumulation.py",
    "fsdp_with_peak_mem_tracking.py",
    "deepspeed_with_config_support.py",
    "megatron_lm_gpt_pretraining.py",
]






class 						A   (   unittest.TestCase   ):





							def       snake_case__						(      self				:							Any     ,		__a				:							str     ,		__a				:							bool     ,		__a				:							str = None     ,		__a				:							list = None	)							->	Tuple:
								__UpperCAmelCase							=			None
								__UpperCAmelCase							=			os.path.abspath(os.path.join('''examples'''     ,		'''by_feature'''	)	)
								__UpperCAmelCase							=			os.path.abspath('''examples'''	)
								for item in os.listdir(__a	):
									if item not in EXCLUDE_EXAMPLES:
										__UpperCAmelCase							=			os.path.join(__a     ,		__a	)
										if os.path.isfile(__a	) and ".py" in item_path:
											with self.subTest(
											    tested_script=__a     ,		feature_script=__a     ,		tested_section='''main()''' if parser_only else '''training_function()'''     ,		):
												__UpperCAmelCase							=			compare_against_test(
												    os.path.join(__a     ,		__a	)     ,		__a     ,		__a     ,		__a	)
												__UpperCAmelCase							=			'''\n'''.join(__a	)
												if special_strings is not None:
													for string in special_strings:
														__UpperCAmelCase							=			diff.replace(__a     ,		''''''	)
												self.assertEqual(__a     ,		''''''	)





							def       snake_case__						(      self				:							Optional[Any]	)							->	str:
								self.one_complete_example('''complete_nlp_example.py'''     ,		__a	)
								self.one_complete_example('''complete_nlp_example.py'''     ,		__a	)






							def       snake_case__						(      self				:							List[str]	)							->	Tuple:
								__UpperCAmelCase							=			os.path.abspath(os.path.join('''examples'''     ,		'''cv_example.py'''	)	)
								__UpperCAmelCase							=			[
								    ''' ''' * 1_6 + '''{\n\n''',
								    ''' ''' * 2_0 + '''"accuracy": eval_metric["accuracy"],\n\n''',
								    ''' ''' * 2_0 + '''"f1": eval_metric["f1"],\n\n''',
								    ''' ''' * 2_0 + '''"train_loss": total_loss.item() / len(train_dataloader),\n\n''',
								    ''' ''' * 2_0 + '''"epoch": epoch,\n\n''',
								    ''' ''' * 1_6 + '''},\n\n''',
								    ''' ''' * 1_6 + '''step=epoch,\n''',
								    ''' ''' * 1_2,
								    ''' ''' * 8 + '''for step, batch in enumerate(active_dataloader):\n''',
								]
								self.one_complete_example('''complete_cv_example.py'''     ,		__a     ,		__a     ,		__a	)
								self.one_complete_example('''complete_cv_example.py'''     ,		__a     ,		__a     ,		__a	)






@mock.patch.dict(os.environ       ,	{'''TESTING_MOCKED_DATALOADERS''': '''1'''}   )
class 						A   (   UpperCAmelCase   ):
							a_        =      False





							@classmethod
							def       snake_case__						(      cls				:							Tuple	)							->	str:
								super().setUpClass()
								__UpperCAmelCase							=			tempfile.mkdtemp()
								__UpperCAmelCase							=			os.path.join(cls._tmpdir     ,		'''default_config.yml'''	)

								write_basic_config(save_location=cls.configPath	)
								__UpperCAmelCase							=			['''accelerate''', '''launch''', '''--config_file''', cls.configPath]





							@classmethod
							def       snake_case__						(      cls				:							Dict	)							->	int:
								super().tearDownClass()
								shutil.rmtree(cls._tmpdir	)





							def       snake_case__						(      self				:							Tuple	)							->	Dict:
								__UpperCAmelCase							=			f"""
        examples/by_feature/checkpointing.py
        --checkpointing_steps epoch
        --output_dir {self.tmpdir}
        """.split()
								run_command(self._launch_args + testargs	)
								self.assertTrue(os.path.exists(os.path.join(self.tmpdir     ,		'''epoch_0'''	)	)	)





							def       snake_case__						(      self				:							str	)							->	int:
								__UpperCAmelCase							=			f"""
        examples/by_feature/checkpointing.py
        --checkpointing_steps 1
        --output_dir {self.tmpdir}
        """.split()
								__UpperCAmelCase							=			run_command(self._launch_args + testargs	)
								self.assertTrue(os.path.exists(os.path.join(self.tmpdir     ,		'''step_2'''	)	)	)





							def       snake_case__						(      self				:							Any	)							->	Any:
								__UpperCAmelCase							=			f"""
        examples/by_feature/checkpointing.py
        --resume_from_checkpoint {os.path.join(self.tmpdir     ,		'epoch_0'	)}
        """.split()
								__UpperCAmelCase							=			run_command(self._launch_args + testargs     ,		return_stdout=__a	)
								self.assertNotIn('''epoch 0:'''     ,		__a	)
								self.assertIn('''epoch 1:'''     ,		__a	)





							def       snake_case__						(      self				:							Tuple	)							->	Optional[int]:
								__UpperCAmelCase							=			f"""
        examples/by_feature/checkpointing.py
        --resume_from_checkpoint {os.path.join(self.tmpdir     ,		'step_2'	)}
        """.split()
								__UpperCAmelCase							=			run_command(self._launch_args + testargs     ,		return_stdout=__a	)
								if torch.cuda.is_available():
									__UpperCAmelCase							=			torch.cuda.device_count()
								else:
									__UpperCAmelCase							=			1
								if num_processes > 1:
									self.assertNotIn('''epoch 0:'''     ,		__a	)
									self.assertIn('''epoch 1:'''     ,		__a	)
								else:
									self.assertIn('''epoch 0:'''     ,		__a	)
									self.assertIn('''epoch 1:'''     ,		__a	)





							@slow
							def       snake_case__						(      self				:							Any	)							->	Optional[Any]:
								__UpperCAmelCase							=			'''
        examples/by_feature/cross_validation.py
        --num_folds 2
        '''.split()
								with mock.patch.dict(os.environ     ,		{'''TESTING_MOCKED_DATALOADERS''': '''0'''}	):
									__UpperCAmelCase							=			run_command(self._launch_args + testargs     ,		return_stdout=__a	)
									__UpperCAmelCase							=			re.findall('''({.+})'''     ,		__a	)
									__UpperCAmelCase							=			[r for r in results if '''accuracy''' in r][-1]
									__UpperCAmelCase							=			ast.literal_eval(__a	)
									self.assertGreaterEqual(results['''accuracy''']     ,		0.7_5	)





							def       snake_case__						(      self				:							Dict	)							->	int:
								__UpperCAmelCase							=			['''examples/by_feature/multi_process_metrics.py''']
								run_command(self._launch_args + testargs	)





							@require_trackers
							@mock.patch.dict(os.environ     ,		{'''WANDB_MODE''': '''offline'''}	)
							def       snake_case__						(      self				:							Optional[Any]	)							->	Optional[int]:
								with tempfile.TemporaryDirectory() as tmpdir:
									__UpperCAmelCase							=			f"""
            examples/by_feature/tracking.py
            --with_tracking
            --project_dir {tmpdir}
            """.split()
									run_command(self._launch_args + testargs	)
									self.assertTrue(os.path.exists(os.path.join(__a     ,		'''tracking'''	)	)	)





							def       snake_case__						(      self				:							Optional[int]	)							->	List[Any]:
								__UpperCAmelCase							=			['''examples/by_feature/gradient_accumulation.py''']
								run_command(self._launch_args + testargs	)






							def       snake_case__						(      self				:							Tuple	)							->	Optional[Any]:
								__UpperCAmelCase							=			['''examples/by_feature/local_sgd.py''']
								run_command(self._launch_args + testargs	)
