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[Backport to 3.2] Fix extracting CUDA stream in cub::DeviceTransform - #7263
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bernhardmgruber merged 5 commits intoJan 16, 2026
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bernhardmgruber merged 5 commits into
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NVIDIA#6204 changed cub::DeviceTransform APIs from taking cudaStream_t to environments. Special handling preserved support for cudaStream_t. However, user-provided stream types with conversion operators to cudaStream_t were now queried as environments, failing to return a stream.
We should not have a special overload for the `get_stream` overload but should ensure that we can pass types that are convertible to `::cudaStream_t` and extract that stream I have expanded the get_stream CPO to accept a `::cudaStream_t __stream` so that we can work with those types
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bernhardmgruber
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January 16, 2026 15:21
wmaxey
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miscco
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Backport of #7239
Fixes NVBug 5813928