code: def convert_RsqrtGPU(
      func, opset_version, input_names, output_names, context
  ):
      gb = onnx_helper.GraphBuilder()
      sqrt_out = gb.op("Sqrt", input_names)
      gb.op("Reciprocal", [sqrt_out])
      return gb.nodes(output_names)
  
imports: import numpy
  from onnx.mapping import NP_TYPE_TO_TENSOR_TYPE
  from onnx_chainer.functions.opset_version import support
  from onnx_chainer import onnx_helper
label_desc: Use image node_id 28 for calling a global function with example usage: convert_RsqrtGPU(func, opset_version, input_names, output_names, context) and returns: gb