code: def __str__(self):
      records = [
          ("OS", platform.platform()),
          ("Python Version", platform.python_version()),
          ("CuPy Version", self.cupy_version),
          (
              "CuPy Platform",
              "NVIDIA CUDA" if not is_hip else "AMD ROCm",
          ),
          ("NumPy Version", self.numpy_version),
          ("SciPy Version", self.scipy_version),
          ("Cython Build Version", self.cython_build_version),
          ("Cython Runtime Version", self.cython_version),
          ("CUDA Root", self.cuda_path),
          ("hipcc PATH" if is_hip else "nvcc PATH", self.nvcc_path),
          ("CUDA Build Version", self.cuda_build_version),
          ("CUDA Driver Version", self.cuda_driver_version),
          (
              "CUDA Runtime Version",
              (
                  f"{self.cuda_runtime_version} (linked to CuPy) / "
                  f"{self.cuda_local_runtime_version} (locally installed)"
              ),
          ),
      ]
  
      records += [
          ("cuBLAS Version", self.cublas_version),
          ("cuFFT Version", self.cufft_version),
          ("cuRAND Version", self.curand_version),
          ("cuSOLVER Version", self.cusolver_version),
          ("cuSPARSE Version", self.cusparse_version),
          ("NVRTC Version", self.nvrtc_version),
          ("Thrust Version", self.thrust_version),
          ("CUB Build Version", self.cub_build_version),
          ("Jitify Build Version", self.jitify_build_version),
      ]
  
      records += [
          ("cuDNN Build Version", self.cudnn_build_version),
          ("cuDNN Version", self.cudnn_version),
          ("NCCL Build Version", self.nccl_build_version),
          ("NCCL Runtime Version", self.nccl_runtime_version),
          ("cuTENSOR Version", self.cutensor_version),
          ("cuSPARSELt Build Version", self.cusparselt_version),
      ]
  
      device_count = 0
      try:
          device_count = cupy.cuda.runtime.getDeviceCount()
      except cupy.cuda.runtime.CUDARuntimeError as e:
          if "ErrorNoDevice" not in e.args[0]:
              warnings.warn(f"Failed to detect number of GPUs: {e}")
          # No GPU devices available.
      for device_id in range(device_count):
          with cupy.cuda.Device(device_id) as device:
              props = cupy.cuda.runtime.getDeviceProperties(device_id)
              name = (
                  "Device {} Name".format(device_id),
                  props["name"].decode(),
              )
              pci_bus = (
                  "Device {} PCI Bus ID".format(device_id),
                  device.pci_bus_id,
              )
              if is_hip:
                  try:
                      arch = props["gcnArchName"].decode()
                  except KeyError:  # ROCm < 3.6.0
                      arch = "gfx" + str(props["gcnArch"])
                  arch = ("Device {} Arch".format(device_id), arch)
              else:
                  arch = (
                      "Device {} Compute Capability".format(device_id),
                      device.compute_capability,
                  )
              records += [name, arch, pci_bus]
  
      width = max([len(r[0]) for r in records]) + 2
      fmt = "{:" + str(width) + "}: {}\n"
      s = io.StringIO()
      for k, v in records:
          s.write(fmt.format(k, v))
  
      return s.getvalue()
  
file_path: cupy/cupyx/_runtime.py
imports: import inspect
  import io
  import os
  import platform
  import warnings
  import numpy
  import cupy
  import cupy_backends
label_desc: Use image node_id 2 for calling the _RuntimeInfo obj's underlying member method code with example usage: obj.__str__() and returns: s