code: def set_gpu_clock(ref_sm_clock=1350, ref_mem_clock=1215):
      try:
          subprocess.check_output(["nvidia-smi", "-i", "0", "-pm", "1"])
          subprocess.check_output(
              [
                  "nvidia-smi",
                  "-i",
                  "0",
                  f"--lock-gpu-clocks={ref_sm_clock},{ref_sm_clock}",
              ]
          )
          subprocess.check_output(
              [
                  "nvidia-smi",
                  "-i",
                  "0",
                  f"--lock-memory-clocks={ref_mem_clock},{ref_mem_clock}",
              ]
          )
          cur_sm_clock = nvsmi(["clocks.current.sm"])[0]
          cur_mem_clock = nvsmi(["clocks.current.memory"])[0]
          assert (
              abs(cur_sm_clock - ref_sm_clock) < 10
          ), f"GPU SMs must run at {ref_sm_clock} MHz"
          assert (
              abs(cur_mem_clock - ref_mem_clock) < 10
          ), f"GPU SMs must run at {ref_mem_clock} MHz"
          tflops = 1e-6 * 2 * 108 * 4 * 256 * ref_sm_clock
          gbps = 640 * 2 * ref_mem_clock * 1e-3
          yield tflops, gbps
      finally:
          subprocess.check_output(["nvidia-smi", "-i", "0", "-pm", "0"])
          subprocess.check_output(["nvidia-smi", "-i", "0", "-rgc"])
          subprocess.check_output(["nvidia-smi", "-i", "0", "-rmc"])
  
imports: import functools
  import os
  import subprocess
  import sys
  from contextlib import contextmanager
  from typing import Any, Dict, List
  from .None import language
label_desc: Use image node_id 9 for calling a global function with example usage: set_gpu_clock(ref_sm_clock, ref_mem_clock) without return types