code: def bytes_to_gb(num_bytes: int) -> float:
      return float(num_bytes / (1024 * 1024 * 1024))
  
file_path: torchrec/torchrec/distributed/planner/utils.py
imports: import operator
  from functools import reduce
  from typing import Any, cast, Dict, Iterable, List, Optional, Type, Union
  import torch
  from torchrec.distributed.planner.types import Perf, ShardingOption, Storage
  from torchrec.distributed.types import ShardingType
label_desc: Use image node_id 2 for calling a global function with example usage: bytes_to_gb(num_bytes) and returns: float