79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
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//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//============================================================================
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#include <vtkm/cont/kokkos/internal/DeviceAdapterAlgorithmKokkos.h>
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#include <string>
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namespace
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{
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constexpr static vtkm::Id ErrorMessageMaxLength = 1024;
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using ErrorMessageView = vtkm::cont::kokkos::internal::KokkosViewExec<char>;
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ErrorMessageView GetErrorMessageViewInstance()
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{
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static thread_local ErrorMessageView local(std::string("ErrorMessageViewInstance"),
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ErrorMessageMaxLength);
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return local;
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}
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} // anonymous namespace
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namespace vtkm
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{
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namespace cont
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{
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vtkm::exec::internal::ErrorMessageBuffer
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DeviceAdapterAlgorithm<vtkm::cont::DeviceAdapterTagKokkos>::GetErrorMessageBufferInstance()
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{
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return vtkm::exec::internal::ErrorMessageBuffer(GetErrorMessageViewInstance().data(),
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ErrorMessageMaxLength);
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}
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void DeviceAdapterAlgorithm<vtkm::cont::DeviceAdapterTagKokkos>::CheckForErrors()
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{
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static thread_local char hostBuffer[ErrorMessageMaxLength] = "";
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auto deviceView = GetErrorMessageViewInstance();
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if (Kokkos::SpaceAccessibility<Kokkos::HostSpace, decltype(deviceView)::memory_space>::accessible)
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{
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vtkm::cont::kokkos::internal::GetExecutionSpaceInstance().fence();
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if (deviceView(0) != '\0')
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{
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auto excep = vtkm::cont::ErrorExecution(deviceView.data());
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deviceView(0) = '\0'; // clear
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vtkm::cont::kokkos::internal::GetExecutionSpaceInstance().fence();
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throw excep;
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}
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}
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else
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{
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vtkm::cont::kokkos::internal::KokkosViewCont<char> hostView(hostBuffer, ErrorMessageMaxLength);
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Kokkos::deep_copy(
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vtkm::cont::kokkos::internal::GetExecutionSpaceInstance(), hostView, deviceView);
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vtkm::cont::kokkos::internal::GetExecutionSpaceInstance().fence();
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if (hostView(0) != '\0')
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{
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auto excep = vtkm::cont::ErrorExecution(hostView.data());
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hostView(0) = '\0'; // clear
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Kokkos::deep_copy(
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vtkm::cont::kokkos::internal::GetExecutionSpaceInstance(), deviceView, hostView);
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throw excep;
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}
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}
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}
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}
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} // vtkm::cont
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