code: def meta_info(self):
      return {
          "model-size-mb": self.model_size_mb,
          "feature-dim": self.feat_dim,
          "infer": self.cost_ms,
      }
  
file_path: insightface/recognition/arcface_torch/onnx_helper.py
imports: from __future__ import division
  import datetime
  import os
  import os.path
  import glob
  import numpy
  import cv2
  import sys
  import onnxruntime
  import onnx
  import argparse
  from onnx import numpy_helper
  from insightface.data import get_image
label_desc: Use image node_id 4 for calling the ArcFaceORT obj's underlying member method code with example usage: obj.meta_info() and returns: dict