code: def rebuild_conventional(up, down, shape, dyn_dim=None):
      up = up.reshape(up.size(0), -1)
      down = down.reshape(down.size(0), -1)
      if dyn_dim is not None:
          up = up[:, :dyn_dim]
          down = down[:dyn_dim, :]
      return (up @ down).reshape(shape)
  
imports: import torch
label_desc: Use image node_id 2 for calling a global function with example usage: rebuild_conventional(up, down, shape, dyn_dim) and returns: unknown