[GitHub] [tvm] leandron commented on pull request #7577: [TVMC][VitisAI] Enable Vitis AI target through TVMC

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leandron commented on pull request #7577:
URL: https://github.com/apache/tvm/pull/7577#issuecomment-792679681


   > @leandron Do you have any thoughts on documenting TVMC target usage?
   > 
   > > **Documentation**
   > > I think we should document the use of these targets but not sure what the best place is. For example, we can add documentation to https://tvm.apache.org/docs/tutorials/get_started/tvmc_command_line_driver.html or in the target deploy and integration documentation (for example here: https://tvm.apache.org/docs/deploy/vitis_ai.html). Or we can do both?
   I agree this is 
   
   Yes, I agree this is something we need to improve. Actually in general for targets in TVM it is not easy to obtain meta-information without inspecting the code.
   
   Ideally, I'd like to make the targets self-documenting, so that we don't need to update a page and keep it in sync with changes we do in the code, and users can find useful help on the `--help` option - it is fine if you have your own documentation page, to write about the options, but I'm not sure this should be our _official_ documentation. So that would be my recommendation for now.
   
   I was planning to submit a separate PR, making `--help` list the available TVM targets plus our composite targets here. This one is very easy (yet not 100% complete as a feature), but I think should be done in a separate PR.
   
   For the inner options, such as `-mcpu` for `llvm`, and `-dpu` for `vitis-ai`, I think it would require a bit of refactoring, to make that an exposed API in TVM level, just consuming that on TVMC.
   
   Concretely, I don't think this should block your PR here. But certainly is a very important topic to start a broader discussion. (cc @masahi @comaniac @junrushao1994)


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