documenting out-of-date tf post re cuda override

[ngam]

Xref: conda-forge/tensorflow-feedstock#174 and conda-forge/tensorflow-feedstock#189

Thanks to @hmaarrfk for the info and patience explaining this!

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[ngam]

@wolfv this PR follows #48 with minor clarifications / edits on overriding CUDA constraints on CPU-only machines. Note this was out of date --- credit to how fast things move at conda-forge 😄

Hopefully this is okay for now. I will be thinking more about adding more verbose details to the documentation later. I think we ought to have a more thorough "Getting Started" section with a lot of pointers and details about the general philosophy and how to get the most out of conda-forge/conda.

[wolfv]

This CUDA selection is done automatically when you have a GPU by calling nvidia-smi.

[ngam]

Let me try to incorporate this into the text, paging @jakirkham for help in how to best phrase this.

[wolfv]

I am fine with mentioning that:

if you want to forcibly install the GPU-enabled tensorflow package, even on a machien with no gpu available, then run CONDA_OVERRIDE_CUDA=X.X mamba install tensorflow-gpu

(note that I used the tensorflow-gpu package).

[ngam]

@wolfv since this was really your blog post, how do you feel about the edits? I am somewhat hesitant to push this further because it is like walking into a minefield with a lot of confusing and unresolved issues. So I am happy to drop this and leave the status quo as is. Let me know.

[wolfv]

I am happy with the content. You could also add that to force a given version of cudatoolkit one could also specify it on the command line like cudatoolkit=11.2 etc.

[ngam]

I am happy with the content. You could also add that to force a given version of cudatoolkit one could also specify it on the command line like cudatoolkit=11.2 etc.

Good call

[wolfv]

Thanks!

[akapocsi]

Is it CONDA_OVERRIDE_CUDA or CONDA_CUDA_OVERRIDE? This blog post seems to indicate that it is the latter, but only the former works. https://conda-forge.org/blog/posts/2021-11-03-tensorflow-gp

[jakirkham]

Looking at this doc, it appears to be the former

Would you be interested in submitting a PR to update the blogpost?

[akapocsi]

Looking at this doc, it appears to be the former

Would you be interested in submitting a PR to update the blogpost?

Sure! I’ll take a look.