code: def lr_scaler():
      return hvd.size() if not args.use_adasum else 1
  
file_path: horovod/examples/elastic/pytorch/pytorch_synthetic_benchmark_elastic.py
imports: import argparse
  import torch.backends.cudnn
  import torch.nn.functional
  import torch.optim
  import torch.utils.data.distributed
  from torchvision import models
  import horovod.torch
  import timeit
  import numpy
label_desc: Use image node_id 1 for calling a global function with example usage: lr_scaler() and returns: unknown