code: def _SyncAllParamsSingleHost(devices, model, net, unique_param_names):
      for param in unique_param_names:
          _Broadcast(devices, model, net, param)
  
imports: from collections import OrderedDict
  import logging
  import copy
  from multiprocessing import cpu_count
  from caffe2.python import model_helper, dyndep, scope, workspace, core, memonger, utils
  from caffe2.proto import caffe2_pb2
  import numpy
  import warnings
label_desc: Use image node_id 28 for calling a global function with example usage: _SyncAllParamsSingleHost(devices, model, net, unique_param_names) without return types