Remove cuda::proclaim_return_type from nested lambda
#14607
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Signed-off-by: Nghia Truong <nghiat@nvidia.com>
ttnghia
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ttnghia
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Dec 10, 2023
miscco
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Dec 11, 2023
Signed-off-by: Nghia Truong <nghiat@nvidia.com>
karthikeyann
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Dec 11, 2023
nvdbaranec
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Dec 11, 2023
bdice
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Dec 11, 2023
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I confirmed that #14576 builds with this change. I noted in #14610 that we should file an issue with CCCL that documents the compiler versions / etc. used to trigger this error, with a minimal reproduction (especially since RAPIDS CI doesn't complain). The proclaim_return_type wrapper should not break normal device lambda compilation.
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This removes `cuda::proclaim_return_type` from a device lambda because that lambda is going to be nested inside another device lambda, which is in turn enclosed by `cuda::proclaim_return_type`.
This PR is to fix a compile issue that we encountered:
```
/usr/local/cuda/include/cuda/std/detail/libcxx/include/__functional/invoke.h(402): error:
calling a __device__ function("cudf::tdigest::detail::_NV_ANON_NAMESPACE::build_output_column(int,
::std::unique_ptr< ::cudf::column, ::std::default_delete< ::cudf::column> > &&, ::std::unique_ptr< ::cudf::column, ::std::default_delete< ::cudf::column> > &&, ::std::unique_ptr< ::cudf::column, ::std::default_delete< ::cudf::column> > &&, ::std::unique_ptr< ::cudf::column, ::std::default_delete< ::cudf::column> > &&, ::std::unique_ptr< ::cudf::column, ::std::default_delete< ::cudf::column> > &&, bool, ::rmm::cuda_stream_view, ::rmm::mr::device_memory_resource *)
::[lambda(int) (instance 2)]::operator ()(int) const") from a __host__ __device__ function("__invoke") is not allowed
```
Note: The issue is reproducible only in our build environment: ARM architecture, cuda 12 + rockylinux8.
Closes rapidsai#14610.
Authors:
- Nghia Truong (https://github.com/ttnghia)
Approvers:
- Michael Schellenberger Costa (https://github.com/miscco)
- Karthikeyan (https://github.com/karthikeyann)
- https://github.com/nvdbaranec
- Bradley Dice (https://github.com/bdice)
URL: rapidsai#14607
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This removes
cuda::proclaim_return_typefrom a device lambda because that lambda is going to be nested inside another device lambda, which is in turn enclosed bycuda::proclaim_return_type.This PR is to fix a compile issue that we encountered:
Note: The issue is reproducible only in our build environment: ARM architecture, cuda 12 + rockylinux8.
Closes #14610.