code: def rvv(a, b):
      """Tensorized vector vector multiplication of rightmost dimensions."""
      return (
          torch.matmul(a.unsqueeze(-2), b.unsqueeze(-1))
          .squeeze(-2)
          .squeeze(-1)
      )
  
file_path: pyro/pyro/contrib/util.py
imports: import weakref
  from collections import OrderedDict
  import torch
  import pyro
label_desc: Use image node_id 5 for calling a global function with example usage: rvv(a, b) and returns: torch