Hotfix(MInference): fix the import warnings, fix the apply_rotary_pos…

[Huiqiang Jiang (iofu728)]

What does this PR do?

Feature

• [Question]: Question about KV-cache storage #20 remove pycuda;
• [Question]: RuntimeError: indices should be either on cpu or on the same device as the indexed tensor (cuda:1) #25 support multi-gpu;

Bug fixed

• Fixes [Bug]: missing warnings import in setup.py #28 the import warnings;
• Fixed [Question]: RuntimeError: indices should be either on cpu or on the same device as the indexed tensor (cuda:1) #25 fix the apply_rotary_pos_emb_single;
• Fixed phi-3 vs kernel;

Before submitting

• This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).
• Was this discussed/approved via a Github issue? Please add a link
  to it if that's the case.
• Did you make sure to update the documentation with your changes?
• Did you write any new necessary tests?

Who can review?

Huiqiang Jiang (@iofu728)