docstr: Test that transferring parametrizations doesn't cause issues with caching
docstr_tok: ["Test","that","transferring","parametrizations","does","n't","cause","issues","with","caching"]
code: def test_caching_parametrization_with_transfer_parametrizations_and_params(
      self,
  ):
      r"""Test that transferring parametrizations doesn't cause issues with caching"""
  
      class Skew(nn.Module):
          def forward(self, X):
              X = X.tril(-1)
              return X - X.T
  
      class Orthogonal(nn.Module):
          def forward(self, X):
              Id = torch.eye(X.size(0), device=X.device)
              return torch.linalg.solve(Id + X, Id - X)
  
      model = nn.Linear(5, 5)
      parametrize.register_parametrization(model, "weight", Skew())
      parametrize.register_parametrization(
          model, "weight", Orthogonal()
      )
  
      to_model = nn.Linear(5, 5)
      parametrize.transfer_parametrizations_and_params(model, to_model)
  
      with parametrize.cached():
          X = model.weight
          Y = model.weight
          self.assertEqual(id(X), id(Y))
  
          A = to_model.weight
          B = to_model.weight
          self.assertEqual(id(A), id(B))
  
          # test that the results are distinct objects for each module
          self.assertNotEqual(id(A), id(X))
  
imports: from copy import deepcopy
  from itertools import product
  import pickle
  import torch
  import torch.nn
  import torch.nn.functional
  import torch.nn.init
  import torch.nn.utils.parametrize
  from torch.nn import Parameter
  from torch.testing._internal.common_utils import run_tests, skipIfNoLapack, TemporaryFileName, instantiate_parametrized_tests, set_default_dtype
  from torch.testing._internal.common_device_type import instantiate_device_type_tests
  from torch.testing._internal.common_cuda import TEST_MULTIGPU
  from torch.testing._internal.common_nn import NNTestCase
  from torch.testing._internal.common_utils import gradcheck
label_desc: Use image node_id 10 for calling the TestNNParametrization obj's underlying member method code with example usage: obj.test_caching_parametrization_with_transfer_parametrizations_and_params() and returns: unknown, torch