





'''simple docstring'''






def      UpperCamelCase__   (	lowerCAmelCase						):





      """simple docstring"""


      _lowerCAmelCase							  =							len(lowerCAmelCase						)

      # Set the gap value to be decreased by a factor of 1.3
      # after each iteration
      _lowerCAmelCase							  =							1.3

      # Continue sorting until the gap is 1
      while gap > 1:
            # Decrease the gap value
            _lowerCAmelCase							  =							int(gap / shrink						)

            # Sort the elements using insertion sort
            for i in range(lowerCAmelCase							,			len(lowerCAmelCase						)						):
                  _lowerCAmelCase							  =							collection[i]
                  _lowerCAmelCase							  =							i
                  while j >= gap and collection[j - gap] > temp:
                        _lowerCAmelCase							  =							collection[j - gap]
                        j -= gap
                  _lowerCAmelCase							  =							temp

      return collection


if __name__ == "__main__":
      import doctest

      doctest.testmod()













'''simple docstring'''






import math

import torch
from torch import nn
from torch.nn import init

from .binarizer import MagnitudeBinarizer, ThresholdBinarizer, TopKBinarizer




class 				UpperCAmelCase  (    nn.Linear     ):




      def __init__(    self    :				str    ,    __snake_case    :				int    ,    __snake_case    :				int    ,    __snake_case    :				bool = True    ,    __snake_case    :				str = "constant"    ,    __snake_case    :				float = 0.0    ,    __snake_case    :				str = "topK"    ,    )       ->   int:
            super(__snake_case    ,    self						).__init__(in_features=__snake_case    ,    out_features=__snake_case    ,    bias=__snake_case						)
            assert pruning_method in ["topK", "threshold", "sigmoied_threshold", "magnitude", "l0"]
            _lowerCAmelCase							  =							pruning_method

            if self.pruning_method in ["topK", "threshold", "sigmoied_threshold", "l0"]:
                  _lowerCAmelCase							  =							mask_scale
                  _lowerCAmelCase							  =							mask_init
                  _lowerCAmelCase							  =							nn.Parameter(torch.empty(self.weight.size()						)						)
                  self.init_mask()




      def        lowercase__					(    self    :				Any						)       ->   str:
            if self.mask_init == "constant":
                  init.constant_(self.mask_scores    ,    val=self.mask_scale						)
            elif self.mask_init == "uniform":
                  init.uniform_(self.mask_scores    ,    a=-self.mask_scale    ,    b=self.mask_scale						)
            elif self.mask_init == "kaiming":
                  init.kaiming_uniform_(self.mask_scores    ,    a=math.sqrt(5						)						)




      def        lowercase__					(    self    :				Dict    ,    __snake_case    :				torch.tensor    ,    __snake_case    :				float						)       ->   Union[str, Any]:
            # Get the mask
            if self.pruning_method == "topK":
                  _lowerCAmelCase							  =							TopKBinarizer.apply(self.mask_scores    ,    __snake_case						)
            elif self.pruning_method in ["threshold", "sigmoied_threshold"]:
                  _lowerCAmelCase							  =							"""sigmoied""" in self.pruning_method
                  _lowerCAmelCase							  =							ThresholdBinarizer.apply(self.mask_scores    ,    __snake_case    ,    __snake_case						)
            elif self.pruning_method == "magnitude":
                  _lowerCAmelCase							  =							MagnitudeBinarizer.apply(self.weight    ,    __snake_case						)
            elif self.pruning_method == "l0":
                  _lowerCAmelCase  ,							_lowerCAmelCase  ,							_lowerCAmelCase							  =							-0.1, 1.1, 2 / 3
                  if self.training:
                        _lowerCAmelCase							  =							torch.zeros_like(self.mask_scores						).uniform_().clamp(0.00_01    ,    0.99_99						)
                        _lowerCAmelCase							  =							torch.sigmoid((u.log() - (1 - u).log() + self.mask_scores) / b						)
                  else:
                        _lowerCAmelCase							  =							torch.sigmoid(self.mask_scores						)
                  _lowerCAmelCase							  =							s * (r - l) + l
                  _lowerCAmelCase							  =							s_bar.clamp(min=0.0    ,    max=1.0						)
            # Mask weights with computed mask
            _lowerCAmelCase							  =							mask * self.weight
            # Compute output (linear layer) with masked weights
            return nn.functional.linear(__snake_case    ,    __snake_case    ,    self.bias						)






