code: def forward(self, x):
      return x.split(512, dim=0)
  
file_path: ColossalAI/tests/test_auto_parallel/test_tensor_shard/test_metainfo/test_tensor_metainfo.py
imports: import pytest
  import torch
  import torch.nn
  from colossalai.auto_parallel.tensor_shard.sharding_strategy import OperationData, OperationDataType
  from colossalai.testing.utils import clear_cache_before_run
  from tests.test_auto_parallel.test_tensor_shard.test_metainfo.utils import print_results
label_desc: Use image node_id 2 for calling the SplitModule obj's underlying member method code with example usage: obj.forward(x) and returns: x