code: def test_cpu_forward(self):
      # we can't currently do this because the global memory buffer is on GPU
      pass
  
file_path: megatron-lm/tests/unit_tests/transformer/test_attention.py
imports: import pytest
  import torch
  from megatron.core.transformer.attention import SelfAttention
  from tests.unit_tests.test_utilities import Utils
  from megatron.core.tensor_parallel.random import model_parallel_cuda_manual_seed
  from megatron.core.transformer.transformer_config import TransformerConfig
  from megatron.core.models.gpt.gpt_layer_specs import get_gpt_layer_with_transformer_engine_spec
label_desc: Use image node_id 4 for calling the TestParallelAttention obj's underlying member method code with example usage: obj.test_cpu_forward() without return types