Support F order for the tensor type. #8872
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trivialfis
commented
Mar 6, 2023
| auto idx = linalg::UnravelIndex(static_cast<std::size_t>(i), | ||
| {static_cast<std::size_t>(n_samples), | ||
| static_cast<std::size_t>(alpha.size()), | ||
| static_cast<std::size_t>(n_targets / alpha.size())}); | ||
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| // std::tie is not available for cuda kernel. | ||
| std::size_t sample_id = std::get<0>(idx); | ||
| std::size_t quantile_id = std::get<1>(idx); | ||
| std::size_t target_id = std::get<2>(idx); | ||
| auto [sample_id, quantile_id, target_id] = | ||
| linalg::UnravelIndex(i, n_samples, alpha.size(), n_targets / alpha.size()); |
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@hcho3 I think your work on c++-17 is really helpful.
RAMitchell
approved these changes
Mar 7, 2023
- Add F order support for tensor and view. - Use parameter pack for automatic type cast. (avoid excessive static cast for shape).
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Extracted from #8616 .