


'''simple docstring'''







import gc
import unittest

import numpy as np
import torch
from torch.backends.cuda import sdp_kernel

from diffusers import (
    CMStochasticIterativeScheduler,
    ConsistencyModelPipeline,
    UNetaDModel,
)
from diffusers.utils import randn_tensor, slow, torch_device
from diffusers.utils.testing_utils import enable_full_determinism, require_torch_a, require_torch_gpu

from ..pipeline_params import UNCONDITIONAL_IMAGE_GENERATION_BATCH_PARAMS, UNCONDITIONAL_IMAGE_GENERATION_PARAMS
from ..test_pipelines_common import PipelineTesterMixin


enable_full_determinism()


class  lowerCAmelCase_						(       snake_case__		,    unittest.TestCase      ):





  """simple docstring"""



  a_       :Optional[int]												=ConsistencyModelPipeline
  a_       :List[Any]												=UNCONDITIONAL_IMAGE_GENERATION_PARAMS
  a_       :Optional[int]												=UNCONDITIONAL_IMAGE_GENERATION_BATCH_PARAMS

  # Override required_optional_params to remove num_images_per_prompt
  a_       :Optional[Any]												=frozenset(
      [
          """num_inference_steps""",
          """generator""",
          """latents""",
          """output_type""",
          """return_dict""",
          """callback""",
          """callback_steps""",
      ]      )

  @property
  def __a						(					self     :							Dict						):





       '''simple docstring'''

       __a       =   UNetaDModel.from_pretrained(
           """diffusers/consistency-models-test"""				,							subfolder="""test_unet"""				,							)
       return unet

  @property
  def __a						(					self     :							Tuple						):





       '''simple docstring'''

       __a       =   UNetaDModel.from_pretrained(
           """diffusers/consistency-models-test"""				,							subfolder="""test_unet_class_cond"""				,							)
       return unet

  def __a						(					self     :							str				,							SCREAMING_SNAKE_CASE__     :							int=False						):





       '''simple docstring'''

       if class_cond:
            __a       =   self.dummy_cond_unet
       else:
            __a       =   self.dummy_uncond_unet

       # Default to CM multistep sampler
       __a       =   CMStochasticIterativeScheduler(
           num_train_timesteps=4_0				,							sigma_min=0.0_0_2				,							sigma_max=8_0.0				,							)

       __a       =   {
           """unet""": unet,
           """scheduler""": scheduler,
       }

       return components

  def __a						(					self     :							Union[str, Any]				,							SCREAMING_SNAKE_CASE__     :							Dict				,							SCREAMING_SNAKE_CASE__     :							int=0						):





       '''simple docstring'''

       if str(SCREAMING_SNAKE_CASE__						).startswith("""mps"""						):
            __a       =   torch.manual_seed(SCREAMING_SNAKE_CASE__						)
       else:
            __a       =   torch.Generator(device=SCREAMING_SNAKE_CASE__						).manual_seed(SCREAMING_SNAKE_CASE__						)

       __a       =   {
           """batch_size""": 1,
           """num_inference_steps""": None,
           """timesteps""": [2_2, 0],
           """generator""": generator,
           """output_type""": """np""",
       }

       return inputs

  def __a						(					self     :							str						):





       '''simple docstring'''

       __a       =   """cpu"""  # ensure determinism for the device-dependent torch.Generator
       __a       =   self.get_dummy_components()
       __a       =   ConsistencyModelPipeline(**SCREAMING_SNAKE_CASE__						)
       __a       =   pipe.to(SCREAMING_SNAKE_CASE__						)
       pipe.set_progress_bar_config(disable=SCREAMING_SNAKE_CASE__						)

       __a       =   self.get_dummy_inputs(SCREAMING_SNAKE_CASE__						)
       __a       =   pipe(**SCREAMING_SNAKE_CASE__						).images
       assert image.shape == (1, 3_2, 3_2, 3)

       __a       =   image[0, -3:, -3:, -1]
       __a       =   np.array([0.3_5_7_2, 0.6_2_7_3, 0.4_0_3_1, 0.3_9_6_1, 0.4_3_2_1, 0.5_7_3_0, 0.5_2_6_6, 0.4_7_8_0, 0.5_0_0_4]						)

       assert np.abs(image_slice.flatten() - expected_slice						).max() < 1E-3

  def __a						(					self     :							int						):





       '''simple docstring'''

       __a       =   """cpu"""  # ensure determinism for the device-dependent torch.Generator
       __a       =   self.get_dummy_components(class_cond=SCREAMING_SNAKE_CASE__						)
       __a       =   ConsistencyModelPipeline(**SCREAMING_SNAKE_CASE__						)
       __a       =   pipe.to(SCREAMING_SNAKE_CASE__						)
       pipe.set_progress_bar_config(disable=SCREAMING_SNAKE_CASE__						)

       __a       =   self.get_dummy_inputs(SCREAMING_SNAKE_CASE__						)
       __a       =   0
       __a       =   pipe(**SCREAMING_SNAKE_CASE__						).images
       assert image.shape == (1, 3_2, 3_2, 3)

       __a       =   image[0, -3:, -3:, -1]
       __a       =   np.array([0.3_5_7_2, 0.6_2_7_3, 0.4_0_3_1, 0.3_9_6_1, 0.4_3_2_1, 0.5_7_3_0, 0.5_2_6_6, 0.4_7_8_0, 0.5_0_0_4]						)

       assert np.abs(image_slice.flatten() - expected_slice						).max() < 1E-3

  def __a						(					self     :							str						):





       '''simple docstring'''

       __a       =   """cpu"""  # ensure determinism for the device-dependent torch.Generator
       __a       =   self.get_dummy_components()
       __a       =   ConsistencyModelPipeline(**SCREAMING_SNAKE_CASE__						)
       __a       =   pipe.to(SCREAMING_SNAKE_CASE__						)
       pipe.set_progress_bar_config(disable=SCREAMING_SNAKE_CASE__						)

       __a       =   self.get_dummy_inputs(SCREAMING_SNAKE_CASE__						)
       __a       =   1
       __a       =   None
       __a       =   pipe(**SCREAMING_SNAKE_CASE__						).images
       assert image.shape == (1, 3_2, 3_2, 3)

       __a       =   image[0, -3:, -3:, -1]
       __a       =   np.array([0.5_0_0_4, 0.5_0_0_4, 0.4_9_9_4, 0.5_0_0_8, 0.4_9_7_6, 0.5_0_1_8, 0.4_9_9_0, 0.4_9_8_2, 0.4_9_8_7]						)

       assert np.abs(image_slice.flatten() - expected_slice						).max() < 1E-3


  def __a						(					self     :							List[Any]						):





       '''simple docstring'''

       __a       =   """cpu"""  # ensure determinism for the device-dependent torch.Generator
       __a       =   self.get_dummy_components(class_cond=SCREAMING_SNAKE_CASE__						)
       __a       =   ConsistencyModelPipeline(**SCREAMING_SNAKE_CASE__						)
       __a       =   pipe.to(SCREAMING_SNAKE_CASE__						)
       pipe.set_progress_bar_config(disable=SCREAMING_SNAKE_CASE__						)

       __a       =   self.get_dummy_inputs(SCREAMING_SNAKE_CASE__						)
       __a       =   1
       __a       =   None
       __a       =   0
       __a       =   pipe(**SCREAMING_SNAKE_CASE__						).images
       assert image.shape == (1, 3_2, 3_2, 3)

       __a       =   image[0, -3:, -3:, -1]
       __a       =   np.array([0.5_0_0_4, 0.5_0_0_4, 0.4_9_9_4, 0.5_0_0_8, 0.4_9_7_6, 0.5_0_1_8, 0.4_9_9_0, 0.4_9_8_2, 0.4_9_8_7]						)

       assert np.abs(image_slice.flatten() - expected_slice						).max() < 1E-3


@slow
@require_torch_gpu
class  lowerCAmelCase_						(       unittest.TestCase      ):





  """simple docstring"""



  def __a						(					self     :							int						):





       '''simple docstring'''

       super().tearDown()
       gc.collect()
       torch.cuda.empty_cache()

  def __a						(					self     :							Union[str, Any]				,							SCREAMING_SNAKE_CASE__     :							Dict=0				,							SCREAMING_SNAKE_CASE__     :							str=False				,							SCREAMING_SNAKE_CASE__     :							int="cpu"				,							SCREAMING_SNAKE_CASE__     :							Union[str, Any]=torch.floataa				,							SCREAMING_SNAKE_CASE__     :							Union[str, Any]=(1, 3, 6_4, 6_4)						):





       '''simple docstring'''

       __a       =   torch.manual_seed(SCREAMING_SNAKE_CASE__						)

       __a       =   {
           """num_inference_steps""": None,
           """timesteps""": [2_2, 0],
           """class_labels""": 0,
           """generator""": generator,
           """output_type""": """np""",
       }

       if get_fixed_latents:
            __a       =   self.get_fixed_latents(seed=SCREAMING_SNAKE_CASE__				,							device=SCREAMING_SNAKE_CASE__				,							dtype=SCREAMING_SNAKE_CASE__				,							shape=SCREAMING_SNAKE_CASE__						)
            __a       =   latents

       return inputs

  def __a						(					self     :							Optional[int]				,							SCREAMING_SNAKE_CASE__     :							str=0				,							SCREAMING_SNAKE_CASE__     :							List[str]="cpu"				,							SCREAMING_SNAKE_CASE__     :							List[str]=torch.floataa				,							SCREAMING_SNAKE_CASE__     :							List[str]=(1, 3, 6_4, 6_4)						):





       '''simple docstring'''

       if type(SCREAMING_SNAKE_CASE__						) == str:
            __a       =   torch.device(SCREAMING_SNAKE_CASE__						)
       __a       =   torch.Generator(device=SCREAMING_SNAKE_CASE__						).manual_seed(SCREAMING_SNAKE_CASE__						)
       __a       =   randn_tensor(SCREAMING_SNAKE_CASE__				,							generator=SCREAMING_SNAKE_CASE__				,							device=SCREAMING_SNAKE_CASE__				,							dtype=SCREAMING_SNAKE_CASE__						)
       return latents

  def __a						(					self     :							str						):





       '''simple docstring'''

       __a       =   UNetaDModel.from_pretrained("""diffusers/consistency_models"""				,							subfolder="""diffusers_cd_imagenet64_l2"""						)
       __a       =   CMStochasticIterativeScheduler(
           num_train_timesteps=4_0				,							sigma_min=0.0_0_2				,							sigma_max=8_0.0				,							)
       __a       =   ConsistencyModelPipeline(unet=SCREAMING_SNAKE_CASE__				,							scheduler=SCREAMING_SNAKE_CASE__						)
       pipe.to(torch_device=SCREAMING_SNAKE_CASE__						)
       pipe.set_progress_bar_config(disable=SCREAMING_SNAKE_CASE__						)

       __a       =   self.get_inputs()
       __a       =   pipe(**SCREAMING_SNAKE_CASE__						).images
       assert image.shape == (1, 6_4, 6_4, 3)

       __a       =   image[0, -3:, -3:, -1]

       __a       =   np.array([0.0_8_8_8, 0.0_8_8_1, 0.0_6_6_6, 0.0_4_7_9, 0.0_2_9_2, 0.0_1_9_5, 0.0_2_0_1, 0.0_1_6_3, 0.0_2_5_4]						)

       assert np.abs(image_slice.flatten() - expected_slice						).max() < 2E-2

  def __a						(					self     :							List[Any]						):





       '''simple docstring'''

       __a       =   UNetaDModel.from_pretrained("""diffusers/consistency_models"""				,							subfolder="""diffusers_cd_imagenet64_l2"""						)
       __a       =   CMStochasticIterativeScheduler(
           num_train_timesteps=4_0				,							sigma_min=0.0_0_2				,							sigma_max=8_0.0				,							)
       __a       =   ConsistencyModelPipeline(unet=SCREAMING_SNAKE_CASE__				,							scheduler=SCREAMING_SNAKE_CASE__						)
       pipe.to(torch_device=SCREAMING_SNAKE_CASE__						)
       pipe.set_progress_bar_config(disable=SCREAMING_SNAKE_CASE__						)

       __a       =   self.get_inputs()
       __a       =   1
       __a       =   None
       __a       =   pipe(**SCREAMING_SNAKE_CASE__						).images
       assert image.shape == (1, 6_4, 6_4, 3)

       __a       =   image[0, -3:, -3:, -1]

       __a       =   np.array([0.0_3_4_0, 0.0_1_5_2, 0.0_0_6_3, 0.0_2_6_7, 0.0_2_2_1, 0.0_1_0_7, 0.0_4_1_6, 0.0_1_8_6, 0.0_2_1_7]						)

       assert np.abs(image_slice.flatten() - expected_slice						).max() < 2E-2

  @require_torch_a
  def __a						(					self     :							Tuple						):





       '''simple docstring'''

       __a       =   UNetaDModel.from_pretrained("""diffusers/consistency_models"""				,							subfolder="""diffusers_cd_imagenet64_l2"""						)
       __a       =   CMStochasticIterativeScheduler(
           num_train_timesteps=4_0				,							sigma_min=0.0_0_2				,							sigma_max=8_0.0				,							)
       __a       =   ConsistencyModelPipeline(unet=SCREAMING_SNAKE_CASE__				,							scheduler=SCREAMING_SNAKE_CASE__						)
       pipe.to(torch_device=SCREAMING_SNAKE_CASE__				,							torch_dtype=torch.floataa						)
       pipe.set_progress_bar_config(disable=SCREAMING_SNAKE_CASE__						)

       __a       =   self.get_inputs(get_fixed_latents=SCREAMING_SNAKE_CASE__				,							device=SCREAMING_SNAKE_CASE__						)
       # Ensure usage of flash attention in torch 2.0
       with sdp_kernel(enable_flash=SCREAMING_SNAKE_CASE__				,							enable_math=SCREAMING_SNAKE_CASE__				,							enable_mem_efficient=SCREAMING_SNAKE_CASE__						):
            __a       =   pipe(**SCREAMING_SNAKE_CASE__						).images
       assert image.shape == (1, 6_4, 6_4, 3)

       __a       =   image[0, -3:, -3:, -1]

       __a       =   np.array([0.1_8_7_5, 0.1_4_2_8, 0.1_2_8_9, 0.2_1_5_1, 0.2_0_9_2, 0.1_4_7_7, 0.1_8_7_7, 0.1_6_4_1, 0.1_3_5_3]						)

       assert np.abs(image_slice.flatten() - expected_slice						).max() < 1E-3


  @require_torch_a
  def __a						(					self     :							Optional[Any]						):





       '''simple docstring'''

       __a       =   UNetaDModel.from_pretrained("""diffusers/consistency_models"""				,							subfolder="""diffusers_cd_imagenet64_l2"""						)
       __a       =   CMStochasticIterativeScheduler(
           num_train_timesteps=4_0				,							sigma_min=0.0_0_2				,							sigma_max=8_0.0				,							)
       __a       =   ConsistencyModelPipeline(unet=SCREAMING_SNAKE_CASE__				,							scheduler=SCREAMING_SNAKE_CASE__						)
       pipe.to(torch_device=SCREAMING_SNAKE_CASE__				,							torch_dtype=torch.floataa						)
       pipe.set_progress_bar_config(disable=SCREAMING_SNAKE_CASE__						)

       __a       =   self.get_inputs(get_fixed_latents=SCREAMING_SNAKE_CASE__				,							device=SCREAMING_SNAKE_CASE__						)
       __a       =   1
       __a       =   None
       # Ensure usage of flash attention in torch 2.0
       with sdp_kernel(enable_flash=SCREAMING_SNAKE_CASE__				,							enable_math=SCREAMING_SNAKE_CASE__				,							enable_mem_efficient=SCREAMING_SNAKE_CASE__						):
            __a       =   pipe(**SCREAMING_SNAKE_CASE__						).images
       assert image.shape == (1, 6_4, 6_4, 3)

       __a       =   image[0, -3:, -3:, -1]

       __a       =   np.array([0.1_6_6_3, 0.1_9_4_8, 0.2_2_7_5, 0.1_6_8_0, 0.1_2_0_4, 0.1_2_4_5, 0.1_8_5_8, 0.1_3_3_8, 0.2_0_9_5]						)

       assert np.abs(image_slice.flatten() - expected_slice						).max() < 1E-3










'''simple docstring'''







import math
import random
from typing import Any

from .hill_climbing import SearchProblem




def        __lowercase						(      __SCREAMING_SNAKE_CASE				,  __SCREAMING_SNAKE_CASE = True				,  __SCREAMING_SNAKE_CASE = math.inf				,  __SCREAMING_SNAKE_CASE = -math.inf				,  __SCREAMING_SNAKE_CASE = math.inf				,  __SCREAMING_SNAKE_CASE = -math.inf				,  __SCREAMING_SNAKE_CASE = False				,  __SCREAMING_SNAKE_CASE = 100				,  __SCREAMING_SNAKE_CASE = 0.01				,  __SCREAMING_SNAKE_CASE = 1				,  )				->					Any:
     """simple docstring"""




     __a       =   False
     __a       =   search_prob
     __a       =   start_temperate
     __a       =   []
     __a       =   0
     __a       =   None

     while not search_end:
          __a       =   current_state.score()
          if best_state is None or current_score > best_state.score():
               __a       =   current_state
          scores.append(__SCREAMING_SNAKE_CASE		)
          iterations += 1
          __a       =   None
          __a       =   current_state.get_neighbors()
          while (
              next_state is None and neighbors
          ):  # till we do not find a neighbor that we can move to
               __a       =   random.randint(0				,  len(__SCREAMING_SNAKE_CASE		) - 1		)  # picking a random neighbor
               __a       =   neighbors.pop(__SCREAMING_SNAKE_CASE		)
               __a       =   picked_neighbor.score() - current_score

               if (
                   picked_neighbor.x > max_x
                   or picked_neighbor.x < min_x
                   or picked_neighbor.y > max_y
                   or picked_neighbor.y < min_y
               ):
                    continue  # neighbor outside our bounds

               if not find_max:
                    __a       =   change * -1  # in case we are finding minimum
               if change > 0:  # improves the solution
                    __a       =   picked_neighbor
               else:
                    __a       =   (math.e) ** (
                        change / current_temp
                    )  # probability generation function
                    if random.random() < probability:  # random number within probability
                         __a       =   picked_neighbor
          __a       =   current_temp - (current_temp * rate_of_decrease)

          if current_temp < threshold_temp or next_state is None:
               # temperature below threshold, or could not find a suitable neighbor
               __a       =   True
          else:
               __a       =   next_state

     if visualization:
          from matplotlib import pyplot as plt

          plt.plot(range(__SCREAMING_SNAKE_CASE		)				,  __SCREAMING_SNAKE_CASE		)
          plt.xlabel("""Iterations"""		)
          plt.ylabel("""Function values"""		)
          plt.show()
     return best_state


if __name__ == "__main__":




 def        __lowercase						(      __SCREAMING_SNAKE_CASE				,  __SCREAMING_SNAKE_CASE		)				->					int:
      """simple docstring"""




      return (x**2) + (y**2)

 # starting the problem with initial coordinates (12, 47)
 SCREAMING_SNAKE_CASE_      =			SearchProblem(x=12, y=47, step_size=1, function_to_optimize=test_fa)
 SCREAMING_SNAKE_CASE_      =			simulated_annealing(
     prob, find_max=False, max_x=1_00, min_x=5, max_y=50, min_y=-5, visualization=True
 )
 print(
     'The minimum score for f(x, y) = x^2 + y^2 with the domain 100 > x > 5 '
     f"""and 50 > y > - 5 found via hill climbing: {local_min.score()}"""
 )

 # starting the problem with initial coordinates (12, 47)
 SCREAMING_SNAKE_CASE_      =			SearchProblem(x=12, y=47, step_size=1, function_to_optimize=test_fa)
 SCREAMING_SNAKE_CASE_      =			simulated_annealing(
     prob, find_max=True, max_x=1_00, min_x=5, max_y=50, min_y=-5, visualization=True
 )
 print(
     'The maximum score for f(x, y) = x^2 + y^2 with the domain 100 > x > 5 '
     f"""and 50 > y > - 5 found via hill climbing: {local_min.score()}"""
 )




 def        __lowercase						(      __SCREAMING_SNAKE_CASE				,  __SCREAMING_SNAKE_CASE		)				->					int:
      """simple docstring"""




      return (3 * x**2) - (6 * y)

 SCREAMING_SNAKE_CASE_      =			SearchProblem(x=3, y=4, step_size=1, function_to_optimize=test_fa)
 SCREAMING_SNAKE_CASE_      =			simulated_annealing(prob, find_max=False, visualization=True)
 print(
     'The minimum score for f(x, y) = 3*x^2 - 6*y found via hill climbing: '
     f"""{local_min.score()}"""
 )

 SCREAMING_SNAKE_CASE_      =			SearchProblem(x=3, y=4, step_size=1, function_to_optimize=test_fa)
 SCREAMING_SNAKE_CASE_      =			simulated_annealing(prob, find_max=True, visualization=True)



 print(
     'The maximum score for f(x, y) = 3*x^2 - 6*y found via hill climbing: '
     f"""{local_min.score()}"""
 )






