Suppress host/device usage warning #2192
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Opened #2193 as a follow-up investigation. |
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This is an extension of the workaround in #2192 / #2193 to address the warnings seen in RMM benchmarks: ``` [220/231] Building CUDA object benchmarks/CMakeFiles/UVECTOR_BENCH.dir/device_uvector/device_uvector_bench.cu.o /home/coder/rmm/cpp/include/rmm/detail/cccl_adaptors.hpp(306): warning #20011-D: calling a __host__ function("rmm::detail::cccl_async_resource_ref< ::cuda::mr::__4::resource_ref< ::cuda::mr::__4::device_accessible > > ::cccl_async_resource_ref(const rmm::detail::cccl_async_resource_ref< ::cuda::mr::__4::resource_ref< ::cuda::mr::__4::device_accessible > > &)") from a __host__ __device__ function("rmm::mr::thrust_allocator<int> ::thrust_allocator") is not allowed Remark: The warnings can be suppressed with "-diag-suppress <warning-number>" ``` Authors: - Bradley Dice (https://github.com/bdice) Approvers: - Rong Ou (https://github.com/rongou) - Paul Taylor (https://github.com/trxcllnt) URL: #2197
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Description
This pragma is a workaround for cudf build issues, see e.g. https://github.com/rapidsai/cudf/actions/runs/20384141895/job/58581416851?pr=20929. The thrust allocator class needs to be reworked eventually anyway due to the upstream allocator being deprecated, so this workaround is acceptable for now. I'm entirely confused as to why this line is where the suppression is needed and I suspect that this is a completely false diagnostic from nvcc, but for now I think it's acceptable to add this as a workaround to get builds passing. I verified that this fixes cudf builds in a local devcontainer reproducing the issue.
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