code: def test_forward__compare(self) -> None:
      # Compare against original implementation.
      loss = VICRegLoss()
      x0 = torch.randn((2, 32))
      x1 = torch.randn((2, 32))
      assert (
          loss(x0, x1).item() == _reference_vicreg_loss(x0, x1).item()
      )
  
imports: import unittest
  import pytest
  import torch
  import torch.nn.functional
  from pytest_mock import MockerFixture
  from torch import Tensor
  from torch import distributed
  from lightly.loss import VICRegLoss
label_desc: Use image node_id 5 for calling the TestVICRegLossUnitTest obj's underlying member method code with example usage: obj.test_forward__compare() without return types