[optim] take kw-only argument for functional optim APIs

[wanchaol]

Stack from ghstack:

• [optim] take kw-only argument for functional optim APIs #56185 [optim] take kw-only argument for functional optim APIs

Differential Revision: D27802169

NOTE FOR REVIEWERS: This PR has internal Facebook specific changes or comments, please review them on Phabricator!

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💊 CI failures summary and remediations

As of commit 2395b11 (more details on the Dr. CI page):

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• 2/2 failures possibly* introduced in this PR
  • 1/2 non-scanned failure(s)

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🕵️ 1 new failure recognized by patterns

The following CI failures do not appear to be due to upstream breakages:

pytorch_cpp_doc_build (1/1)

Step: "Doc Build and Push" (full log | diagnosis details | 🔁 rerun)

Apr 16 02:05:57 ./.circleci/scripts/cpp_doc_push_script.sh: line 71: pushd: cppdocs: No such file or directory

Apr 16 02:05:43 build succeeded, 193 warnings.
Apr 16 02:05:43 
Apr 16 02:05:43 The HTML pages are in build/html.
Apr 16 02:05:57 
Apr 16 02:05:57 real	81m26.183s
Apr 16 02:05:57 user	205m26.931s
Apr 16 02:05:57 sys	2m8.046s
Apr 16 02:05:57 ++ popd
Apr 16 02:05:57 ++ popd
Apr 16 02:05:57 ++ pushd cppdocs
Apr 16 02:05:57 ./.circleci/scripts/cpp_doc_push_script.sh: line 71: pushd: cppdocs: No such file or directory
Apr 16 02:05:57 ~/workspace ~/workspace
Apr 16 02:05:57 ~/workspace


Exited with code exit status 1

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[albanD]

Nice! that helps a lot to ensure there is no mismatch in the argument names!

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This pull request has been merged in 4611387.