class_docstr: Runtimes from benchmarking
class_docstr_tok: ["Runtimes","from","benchmarking"]
code: def __str__(self):
      return (
          f"Execution time summary:\n"
          f"{'mean (ms)':^12} {'median (ms)':^12} {'max (ms)':^12} "
          f"{'min (ms)':^12} {'std (ms)':^12}\n"
          f"{self.mean * 1000:^12.4f} {self.median * 1000:^12.4f} {self.max * 1000:^12.4f} "
          f"{self.min * 1000:^12.4f} {self.std * 1000:^12.4f}"
          "               "
      )
  
imports: import os
  import ctypes
  import struct
  from typing import Sequence
  import numpy
  from tvm._ffi.base import _LIB, check_call, c_str, string_types, _RUNTIME_ONLY
  from tvm._ffi.libinfo import find_include_path
  from .packed_func import PackedFunc, PackedFuncHandle, _set_class_module
  from .None import _ffi_api
label_desc: Use image node_id 3 for calling the BenchmarkResult obj's underlying member method code with example usage: obj.__str__() and returns: str, str, str, str, str, str, str, str, str, str, str, unknown, str, unknown, str, unknown, str, unknown, str, unknown, str