Tpetra: ImportExport unit test fails to compiler with HIP unified memory

[jjellio]

Bug Report

@csiefer2

Description

If I enable -DKokkos_ENABLE_IMPL_HIP_UNIFIED_MEMORY=ON in my AMD HIP build (all unit tests), this tpetra test is failing to compile.

packages/tpetra/core/test/ImportExport2/ImportExport2_UnitTests.cpp

[3122/9612] Building CXX object packages/tpetra/core/test/Import...raCore_ImportExport2_UnitTests.dir/ImportExport2_UnitTests.cpp.o
FAILED: packages/tpetra/core/test/ImportExport2/CMakeFiles/TpetraCore_ImportExport2_UnitTests.dir/ImportExport2_UnitTests.cpp.o 
/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/build_stat_cxx_wrapper.sh -DKOKKOS_DEPENDENCE -DUSE_PROF_API=1 -D__HIP_PLATFORM_AMD__=1 -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos -I/g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/test -I/g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/ext -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/tpetra/core/ext -I/g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/src -I/g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/src/kokkos_refactor -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/tpetra/core/src -I/g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/compat -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/tpetra/core/compat -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/teuchos/core/src -I/g/g20/jjellio/src/github/Trilinos/packages/teuchos/core/src -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/kokkos/core/src -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos/core/src -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/kokkos -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos/core/src/../../tpls/desul/include -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos/core/src/../../tpls/mdspan/include -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/kokkos/containers/src -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos/containers/src -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/kokkos/algorithms/src -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos/algorithms/src -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/kokkos/simd/src -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos/simd/src -I/g/g20/jjellio/src/github/Trilinos/packages/teuchos/parser/src -I/g/g20/jjellio/src/github/Trilinos/packages/teuchos/parameterlist/src -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/teuchos/parameterlist/src -I/g/g20/jjellio/src/github/Trilinos/packages/teuchos/comm/src -I/g/g20/jjellio/src/github/Trilinos/packages/teuchos/numerics/src -I/g/g20/jjellio/src/github/Trilinos/packages/teuchos/remainder/src -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/teuchos/remainder/src -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/teuchos/kokkoscompat/src -I/g/g20/jjellio/src/github/Trilinos/packages/teuchos/kokkoscompat/src -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/teuchos/kokkoscomm/src -I/g/g20/jjellio/src/github/Trilinos/packages/teuchos/kokkoscomm/src -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/kokkos-kernels/batched -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/batched -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/kokkos-kernels/blas -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/blas -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/kokkos-kernels/lapack -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/lapack -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/kokkos-kernels/graph -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/graph -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/ode -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/kokkos-kernels -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/common/src -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/common/impl -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/common/unit_test -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/kokkos-kernels/batched/eti -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/batched/dense/src -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/batched/dense/impl -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/batched/dense/unit_test -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/batched/sparse/src -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/batched/sparse/impl -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/batched/sparse/unit_test -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/blas/src -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/blas/impl -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/blas/eti -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/kokkos-kernels/blas/eti -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/blas/tpls -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/lapack/src -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/lapack/impl -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/lapack/eti -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/kokkos-kernels/lapack/eti -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/lapack/tpls -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/graph/src -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/graph/impl -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/graph/eti -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/kokkos-kernels/graph/eti -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/sparse/src -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/sparse/impl -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/sparse/eti -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/kokkos-kernels/sparse/eti -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/sparse/tpls -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/ode/src -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/ode/impl -I/g/g20/jjellio/src/github/Trilinos/packages/kokkos-kernels/ode/unit_test -I/g/g20/jjellio/src/github/Trilinos/packages/tpetra/tsqr/src -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/tpetra/tsqr/src -I/g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/inout -I/tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/tpetra/core/inout -isystem /usr/workspace/trilinos-dev/spack/install-v4/linux-rhel8-zen4/rocmcc-6.2.1/boost-1.84.0-engxvz2vx45hqb4rsyjljimrl7g67anv/include -isystem /usr/workspace/trilinos-dev/spack/install-v4/linux-rhel8-zen4/rocmcc-6.2.1/openblas-0.3.26-lhhtzeb7nprjbid64u4qk5owwjr5thj7/include -isystem /usr/workspace/trilinos-dev/spack/install-v4/linux-rhel8-zen4/rocmcc-6.2.1/metis-5.1.0-wxfxj467u5jd45orro5bxnk2hnqcatz6/include -x hip -mllvm -amdgpu-early-inline-all=false -mllvm -amdgpu-function-calls=false -g -O3 -DNDEBUG -std=c++17 -march=znver3 -mtune=znver3 -fno-gpu-rdc -xhip --rocm-path=/usr/tce/packages/rocbeta/rocm-6.2.1beta2 --offload-arch=gfx942 -MD -MT packages/tpetra/core/test/ImportExport2/CMakeFiles/TpetraCore_ImportExport2_UnitTests.dir/ImportExport2_UnitTests.cpp.o -MF packages/tpetra/core/test/ImportExport2/CMakeFiles/TpetraCore_ImportExport2_UnitTests.dir/ImportExport2_UnitTests.cpp.o.d -o packages/tpetra/core/test/ImportExport2/CMakeFiles/TpetraCore_ImportExport2_UnitTests.dir/ImportExport2_UnitTests.cpp.o -c /g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/test/ImportExport2/ImportExport2_UnitTests.cpp
In file included from <built-in>:1:
In file included from /collab/usr/global/tools/tce4/packages/rocm/rocm-6.2.1beta2/lib/llvm/lib/clang/18/include/__clang_hip_runtime_wrapper.h:145:
In file included from /collab/usr/global/tools/tce4/packages/rocm/rocm-6.2.1beta2/lib/llvm/lib/clang/18/include/cuda_wrappers/algorithm:55:
In file included from /opt/rh/gcc-toolset-12/root/usr/lib/gcc/x86_64-redhat-linux/12/../../../../include/c++/12/algorithm:61:
In file included from /opt/rh/gcc-toolset-12/root/usr/lib/gcc/x86_64-redhat-linux/12/../../../../include/c++/12/bits/stl_algo.h:61:
/opt/rh/gcc-toolset-12/root/usr/lib/gcc/x86_64-redhat-linux/12/../../../../include/c++/12/bits/stl_tempbuf.h:263:8: warning: 'get_temporary_buffer<long>' is deprecated [-Wdeprecated-declarations]
  263 |                 std::get_temporary_buffer<value_type>(_M_original_len));
      |                      ^
/opt/rh/gcc-toolset-12/root/usr/lib/gcc/x86_64-redhat-linux/12/../../../../include/c++/12/bits/stl_algo.h:4996:15: note: in instantiation of member function 'std::_Temporary_buffer<__gnu_cxx::__normal_iterator<long *, std::vector<long>>, long>::_Temporary_buffer' requested here
 4996 |       _TmpBuf __buf(__first, (__last - __first + 1) / 2);
      |               ^
/opt/rh/gcc-toolset-12/root/usr/lib/gcc/x86_64-redhat-linux/12/../../../../include/c++/12/bits/stl_algo.h:5070:23: note: in instantiation of function template specialization 'std::__stable_sort<__gnu_cxx::__normal_iterator<long *, std::vector<long>>, __gnu_cxx::__ops::_Iter_comp_iter<(lambda at /g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/src/Tpetra_Util.hpp:463:9)>>' requested here
 5070 |       _GLIBCXX_STD_A::__stable_sort(__first, __last,
      |                       ^
/g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/src/Tpetra_Util.hpp:462:10: note: in instantiation of function template specialization 'std::stable_sort<__gnu_cxx::__normal_iterator<long *, std::vector<long>>, (lambda at /g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/src/Tpetra_Util.hpp:463:9)>' requested here
  462 |     std::stable_sort(idx.begin(), idx.end(),
      |          ^
/g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/src/Tpetra_Util.hpp:509:20: note: in instantiation of function template specialization 'Tpetra::SortDetails::sort_indexes<int *>' requested here
  509 |     auto indices = sort_indexes(first1, last1);
      |                    ^
/g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/src/Tpetra_Util.hpp:566:20: note: in instantiation of function template specialization 'Tpetra::SortDetails::std_sort2<int *, double *>' requested here
  566 |       SortDetails::std_sort2(first1, last1, first2, first2+(last1-first1));
      |                    ^
/g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/src/Tpetra_Util.hpp:602:5: note: in instantiation of function template specialization 'Tpetra::sort2<int *, double *>' requested here
  602 |     sort2(view1_rcp.begin(),view1_rcp.end(),view2_rcp.begin());    
      |     ^
/g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/test/ImportExport2/ImportExport2_UnitTests.cpp:536:17: note: in instantiation of function template specialization 'Tpetra::sort2<Kokkos::View<int *, Kokkos::LayoutLeft, Kokkos::Device<Kokkos::Serial, Kokkos::HIPSpace>, Kokkos::Experimental::EmptyViewHooks>, Kokkos::View<double *, Kokkos::LayoutLeft, Kokkos::Device<Kokkos::Serial, Kokkos::HIPSpace>, Kokkos::Experimental::EmptyViewHooks>>' requested here
  536 |         Tpetra::sort2 (tgtRowInds, tgtRowInds.extent(0), tgtRowVals);
      |                 ^
/opt/rh/gcc-toolset-12/root/usr/lib/gcc/x86_64-redhat-linux/12/../../../../include/c++/12/bits/stl_tempbuf.h:99:5: note: 'get_temporary_buffer<long>' has been explicitly marked deprecated here
   99 |     _GLIBCXX17_DEPRECATED
      |     ^
/opt/rh/gcc-toolset-12/root/usr/lib/gcc/x86_64-redhat-linux/12/../../../../include/c++/12/x86_64-redhat-linux/bits/c++config.h:2359:34: note: expanded from macro '_GLIBCXX17_DEPRECATED'
 2359 | # define _GLIBCXX17_DEPRECATED [[__deprecated__]]
      |                                  ^
In file included from /g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/test/ImportExport2/ImportExport2_UnitTests.cpp:12:
In file included from /g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/test/Tpetra_TestingUtilities.hpp:22:
In file included from /g/g20/jjellio/src/github/Trilinos/packages/teuchos/kokkoscompat/src/KokkosCompat_View.hpp:29:
In file included from /g/g20/jjellio/src/github/Trilinos/packages/kokkos/core/src/Kokkos_Core.hpp:45:
In file included from /tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/kokkos/KokkosCore_Config_DeclareBackend.hpp:22:
In file included from /g/g20/jjellio/src/github/Trilinos/packages/kokkos/core/src/decl/Kokkos_Declare_SERIAL.hpp:21:
In file included from /g/g20/jjellio/src/github/Trilinos/packages/kokkos/core/src/Serial/Kokkos_Serial.hpp:284:
In file included from /g/g20/jjellio/src/github/Trilinos/packages/kokkos/core/src/Serial/Kokkos_Serial_Parallel_Range.hpp:20:
In file included from /g/g20/jjellio/src/github/Trilinos/packages/kokkos/core/src/Kokkos_Parallel.hpp:31:
/g/g20/jjellio/src/github/Trilinos/packages/kokkos/core/src/Kokkos_View.hpp:1331:19: error: static assertion failed due to requirement 'ViewMapping<Kokkos::ViewTraits<char *, Kokkos::HostSpace>, Kokkos::ViewTraits<char *, Kokkos::LayoutLeft, Kokkos::Device<Kokkos::Serial, Kokkos::HIPSpace>, Kokkos::MemoryTraits<0>>, void>::is_assignable': Incompatible View copy construction
 1331 |     static_assert(Mapping::is_assignable,
      |                   ^~~~~~~~~~~~~~~~~~~~~~
/g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/src/Tpetra_Details_DistributorActor.hpp:1158:13: note: in instantiation of function template specialization 'Kokkos::View<char *, Kokkos::HostSpace>::View<char *, Kokkos::LayoutLeft, Kokkos::Device<Kokkos::Serial, Kokkos::HIPSpace>, Kokkos::MemoryTraits<0>>' requested here
 1158 |             subview_offset(sendArray, size_t(0), numPacketsTo_p);
      |             ^
/g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/src/Tpetra_Details_DistributorActor.hpp:146:3: note: in instantiation of function template specialization 'Tpetra::Details::DistributorActor::doPosts<Kokkos::View<char *, Kokkos::LayoutLeft, Kokkos::Device<Kokkos::Serial, Kokkos::HIPSpace>, Kokkos::Experimental::EmptyViewHooks>, Kokkos::View<char *, Kokkos::HostSpace>>' requested here
  146 |   doPosts(plan, exports, numExportPacketsPerLID, imports, numImportPacketsPerLID);
      |   ^
/g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/src/Tpetra_Distributor.hpp:640:12: note: in instantiation of function template specialization 'Tpetra::Details::DistributorActor::doPostsAndWaits<Kokkos::View<char *, Kokkos::LayoutLeft, Kokkos::Device<Kokkos::Serial, Kokkos::HIPSpace>, Kokkos::Experimental::EmptyViewHooks>, Kokkos::View<char *, Kokkos::HostSpace>>' requested here
  640 |     actor_.doPostsAndWaits(plan_, exports, numExportPacketsPerLID, imports, numImportPacketsPerLID);
      |            ^
/g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/test/ImportExport2/ImportExport2_UnitTests.cpp:2360:12: note: in instantiation of function template specialization 'Tpetra::Distributor::doPostsAndWaits<Kokkos::View<char *, Kokkos::LayoutLeft, Kokkos::Device<Kokkos::Serial, Kokkos::HIPSpace>, Kokkos::Experimental::EmptyViewHooks>, Kokkos::View<char *, Kokkos::HostSpace>>' requested here
 2360 |     distor.doPostsAndWaits(exports.view_host(),numExportPackets(),importsView,numImportPackets());
      |            ^
In file included from /g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/test/ImportExport2/ImportExport2_UnitTests.cpp:12:
In file included from /g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/test/Tpetra_TestingUtilities.hpp:22:
In file included from /g/g20/jjellio/src/github/Trilinos/packages/teuchos/kokkoscompat/src/KokkosCompat_View.hpp:29:
In file included from /g/g20/jjellio/src/github/Trilinos/packages/kokkos/core/src/Kokkos_Core.hpp:45:
In file included from /tmp/jjellio/build/amd-6.2.0_prgenv-amd_rocm-6.2.1beta2_mpich-8.1.30_pure-amd_hip_amd-NOinlall-NOfunc-gfx942_serial_atdm_complex_devtpls_opt-g_cxx17/trilinos/packages/kokkos/KokkosCore_Config_DeclareBackend.hpp:22:
In file included from /g/g20/jjellio/src/github/Trilinos/packages/kokkos/core/src/decl/Kokkos_Declare_SERIAL.hpp:21:
In file included from /g/g20/jjellio/src/github/Trilinos/packages/kokkos/core/src/Serial/Kokkos_Serial.hpp:284:
In file included from /g/g20/jjellio/src/github/Trilinos/packages/kokkos/core/src/Serial/Kokkos_Serial_Parallel_Range.hpp:20:
In file included from /g/g20/jjellio/src/github/Trilinos/packages/kokkos/core/src/Kokkos_Parallel.hpp:31:
In file included from /g/g20/jjellio/src/github/Trilinos/packages/kokkos/core/src/Kokkos_View.hpp:555:
/g/g20/jjellio/src/github/Trilinos/packages/kokkos/core/src/impl/Kokkos_ViewMapping.hpp:2967:19: error: static assertion failed due to requirement 'is_assignable_space': View assignment must have compatible spaces
 2967 |     static_assert(is_assignable_space,
      |                   ^~~~~~~~~~~~~~~~~~~
/g/g20/jjellio/src/github/Trilinos/packages/kokkos/core/src/Kokkos_View.hpp:1333:14: note: in instantiation of member function 'Kokkos::Impl::ViewMapping<Kokkos::ViewTraits<char *, Kokkos::HostSpace>, Kokkos::ViewTraits<char *, Kokkos::LayoutLeft, Kokkos::Device<Kokkos::Serial, Kokkos::HIPSpace>, Kokkos::MemoryTraits<0>>, void>::assign' requested here
 1333 |     Mapping::assign(m_map, rhs.m_map, rhs.m_track.m_tracker);
      |              ^
/g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/src/Tpetra_Details_DistributorActor.hpp:1158:13: note: in instantiation of function template specialization 'Kokkos::View<char *, Kokkos::HostSpace>::View<char *, Kokkos::LayoutLeft, Kokkos::Device<Kokkos::Serial, Kokkos::HIPSpace>, Kokkos::MemoryTraits<0>>' requested here
 1158 |             subview_offset(sendArray, size_t(0), numPacketsTo_p);
      |             ^
/g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/src/Tpetra_Details_DistributorActor.hpp:146:3: note: in instantiation of function template specialization 'Tpetra::Details::DistributorActor::doPosts<Kokkos::View<char *, Kokkos::LayoutLeft, Kokkos::Device<Kokkos::Serial, Kokkos::HIPSpace>, Kokkos::Experimental::EmptyViewHooks>, Kokkos::View<char *, Kokkos::HostSpace>>' requested here
  146 |   doPosts(plan, exports, numExportPacketsPerLID, imports, numImportPacketsPerLID);
      |   ^
/g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/src/Tpetra_Distributor.hpp:640:12: note: in instantiation of function template specialization 'Tpetra::Details::DistributorActor::doPostsAndWaits<Kokkos::View<char *, Kokkos::LayoutLeft, Kokkos::Device<Kokkos::Serial, Kokkos::HIPSpace>, Kokkos::Experimental::EmptyViewHooks>, Kokkos::View<char *, Kokkos::HostSpace>>' requested here
  640 |     actor_.doPostsAndWaits(plan_, exports, numExportPacketsPerLID, imports, numImportPacketsPerLID);
      |            ^
/g/g20/jjellio/src/github/Trilinos/packages/tpetra/core/test/ImportExport2/ImportExport2_UnitTests.cpp:2360:12: note: in instantiation of function template specialization 'Tpetra::Distributor::doPostsAndWaits<Kokkos::View<char *, Kokkos::LayoutLeft, Kokkos::Device<Kokkos::Serial, Kokkos::HIPSpace>, Kokkos::Experimental::EmptyViewHooks>, Kokkos::View<char *, Kokkos::HostSpace>>' requested here
 2360 |     distor.doPostsAndWaits(exports.view_host(),numExportPackets(),importsView,numImportPackets());
      |            ^
1 warning and 2 errors generated when compiling for gfx942.

Steps to Reproduce

1. Use the AMD configure stuff on Tioga.
2. Add the Unified memory cmake variable
3. build this unit test