class_docstr: Base class for models.
code: def show_n_params(self, return_str=True):
      tot = 0
      for p in self.parameters():
          w = 1
          for x in p.shape:
              w *= x
          tot += w
      if return_str:
          if tot >= 1e6:
              return "{:.1f}M".format(tot / 1e6)
          else:
              return "{:.1f}K".format(tot / 1e3)
      else:
          return tot
  
imports: import logging
  import os
  import numpy
  import torch
  import torch.nn
  from lavis.common.dist_utils import download_cached_file, is_dist_avail_and_initialized
  from lavis.common.utils import get_abs_path, is_url
  from omegaconf import OmegaConf
label_desc: Use image node_id 10 for calling the BaseModel obj's underlying member method code with example usage: obj.show_n_params(return_str) and returns: tot, str, str