Refactor prefetch_resource_adaptor to shared CCCL MR design - #2275
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Convert prefetch_resource_adaptor from a class template to a non-template class using the shared_resource pattern established in earlier PRs. The adaptor now: - Splits implementation into detail/prefetch_resource_adaptor_impl.hpp and src/mr/detail/prefetch_resource_adaptor_impl.cpp - Inherits private cuda::mr::shared_resource<detail::prefetch_resource_adaptor_impl> - Accepts device_async_resource_ref upstream (not raw pointer) - Exposes get_property for cuda::mr::device_accessible - Is copyable via shared_resource (shared ownership semantics) Add mr_ref_prefetch_tests.cpp with CcclMrRef test instantiations. Add prefetch_resource_adaptor to cccl_adaptor_tests.cpp typed test suite. Update Cython pxd/pyx bindings to match non-template C++ signature.
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/ok to test bfa86e3 |
bdice
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Mar 6, 2026
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/ok to test |
bdice
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Mar 10, 2026
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Self-reviewed, all seems aligned with other refactorings.
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Summary
prefetch_resource_adaptorimplementation intodetail/prefetch_resource_adaptor_impl.hpp+src/mr/detail/prefetch_resource_adaptor_impl.cpp, usingcuda::mr::shared_resourcefor shared ownershipdevice_async_resource_refupstream; class is now non-templatemr_ref_prefetch_tests.cppand integrate intocccl_adaptor_tests.cpptyped test suiteadaptor_tests.cpptype aliases,NullUpstream, andEqualitytests for non-template type.pxd/.pyxbindings to match non-template C++ signature