code: def add_packed(cfg, lhs, rhs):
      return topi.add(lhs, rhs)
  
imports: from __future__ import absolute_import
  import tvm
  from tvm import te
  from tvm import autotvm
  from tvm import topi
  from tvm.relay.op import op
  from tvm.relay.op import strategy
  from tvm.relay.op.op import OpPattern, OpStrategy
  from .utils import is_packed_layout
  from .vta_conv2d import conv2d_packed, schedule_conv2d_packed
  from .vta_conv2d_transpose import conv2d_transpose_packed, schedule_conv2d_transpose_packed
  from .vta_group_conv2d import group_conv2d_packed, schedule_group_conv2d_packed
  from .vta_dense import dense_packed, schedule_dense_packed
  from ..environment import get_env
label_desc: Use image node_id 3 for calling a global function with example usage: add_packed(cfg, lhs, rhs) and returns: topi