class_docstr: Benchmarks runtime and error of crypten functions against PyTorch
  
  Args:
      tensor_size (int or tuple): size of tensor for benchmarking runtimes
class_docstr_tok: ["Benchmarks","runtime","and","error","of","crypten","functions","against","PyTorch","Args",":","tensor_size","(","int","or","tuple",")",":","size","of","tensor","for","benchmarking","runtimes"]
code: def __repr__(self):
      if self.df is not None:
          return self.df.to_string(index=False, justify="left")
      return "No Function Benchmarks"
  
imports: import argparse
  import functools
  import os
  import timeit
  from collections import namedtuple
  import crypten
  import crypten.communicator
  import numpy
  import pandas
  import torch
  from examples import multiprocess_launcher
label_desc: Use image node_id 2 for calling the FuncBenchmarks obj's underlying member method code with example usage: obj.__repr__() and returns: str, self