code: def add(a, b):
      return (a + b,)
  
imports: import argparse
  import inspect
  import sys
  import numpy
  import tabulate
  import torch
  import torch._inductor
  from torch._dynamo.backends.cudagraphs import cudagraphs_inner
  from torch._dynamo.testing import same
  from torch._inductor.compile_fx import compile_fx
  from torch._inductor.utils import timed
label_desc: Use image node_id 1 for calling the MicroBenchmarks obj's underlying member method code with example usage: obj.add(a, b) and returns: unknown