The prompt "warnings. warn (" is displayed when compiling, and the whole compilation process is abnormally slow

At first, the problem was" WARNING:root:Failed to download tophub package for llvm: <urlopen error [Errno 111] Connection refused>". After the solution, it became the current problem. All prompts are as follows

  /public/home/msw/downloads/tvm/apache-tvm-src-v0.9.0/python/tvm/driver/build_module.py:267: UserWarning: target_host parameter is going to be deprecated. Please pass in tvm.target.Target(target, host=target_host) instead.
      warnings.warn(
    One or more operators have not been tuned. Please tune your model for better performance. Use DEBUG logging level to see more details.

The compilation process on a lower configuration machine is faster than here. And there is no “warnings. warn (”.

/home/wmk/download/tvm/apache-tvm-src-v0.9.0/python/tvm/driver/build_module.py:268: UserWarning: target_host parameter is going to be deprecated. Please pass in tvm.target.Target(target, host=target_host) instead.
  "target_host parameter is going to be deprecated. "
One or more operators have not been tuned. Please tune your model for better performance. Use DEBUG logging level to see more details.