code: def set_pipeline_model_parallel_split_rank(rank):
      """Set pipeline model parallel split rank."""
      global _PIPELINE_MODEL_PARALLEL_SPLIT_RANK
      _PIPELINE_MODEL_PARALLEL_SPLIT_RANK = rank
  
imports: import os
  from typing import Optional
  import torch
  from .utils import GlobalMemoryBuffer
label_desc: Use image node_id 25 for calling a global function with example usage: set_pipeline_model_parallel_split_rank(rank) without return types