code: def is_last_rank():
      return torch.distributed.get_rank() == (
          torch.distributed.get_world_size() - 1
      )
  
file_path: megatron-lm/megatron/utils.py
imports: import sys
  import torch
  from megatron import get_args, get_adlr_autoresume
  from megatron.core import DistributedDataParallel
  from megatron.core import mpu
  from megatron.core.tensor_parallel import param_is_not_tensor_parallel_duplicate
  from megatron.model import Float16Module
  from megatron.model.module import param_is_not_shared
label_desc: Use image node_id 10 for calling a global function with example usage: is_last_rank() and returns: unknown