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Had to change the type of y_true in the regression test from int to float because of this

Was there a reason why that was int?

mps and CUDA tests are green on my side :)

Thanks again for you Array API PRs @EdAbati.

Since you already had quite a bit of experience on those I was wondering if you wouldn't be interested in contributing on PRs that are a bit less well defined but potentially more impactful from a performance point of view?

For instance I think we could improve the array API support for the solver="cholesky" case of the Ridge class by leveraging the xp.linalg.solve standard API.

Hi @ogrisel , sounds good!

I was also looking at dcg_score that, after a brief look, seems to require things are not implemented yet.
I will also make a draft PR with that, so we can discuss

I triggered the CUDA CI for this PR https://github.com/scikit-learn/scikit-learn/actions/runs/9500016241

(Mostly for my own sake to use the CI a bit)