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https://gitlab.kitware.com/vtk/vtk-m
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a7127f0fc3
The RuntimeDeviceInformation class allows developers to check if a given device is supported on a machine at runtime. This allows developers to properly check for CUDA support before running any worklets.
87 lines
2.6 KiB
C++
87 lines
2.6 KiB
C++
//============================================================================
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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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// 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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// Copyright 2014 Sandia Corporation.
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// Copyright 2014 UT-Battelle, LLC.
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// Copyright 2014 Los Alamos National Security.
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#include <vtkm/cont/RuntimeDeviceInformation.h>
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//include all backends
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#include <vtkm/cont/cuda/DeviceAdapterCuda.h>
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#include <vtkm/cont/tbb/DeviceAdapterTBB.h>
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#include <vtkm/cont/DeviceAdapterSerial.h>
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#include <vtkm/cont/testing/Testing.h>
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namespace {
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template<bool> struct DoesExist;
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template<typename DeviceAdapterTag>
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void detect_if_exists(DeviceAdapterTag tag)
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{
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typedef vtkm::cont::DeviceAdapterTraits<DeviceAdapterTag> DeviceAdapterTraits;
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DoesExist<DeviceAdapterTraits::Valid>::Exist(tag);
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}
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template<>
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struct DoesExist<false>
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{
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template<typename DeviceAdapterTag>
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static void Exist(DeviceAdapterTag)
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{
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//runtime information for this device should return false
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vtkm::cont::RuntimeDeviceInformation<DeviceAdapterTag> runtime;
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VTKM_TEST_ASSERT(runtime.Exists() == false,
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"A backend with zero compile time support, can't have runtime support");
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}
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};
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template<>
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struct DoesExist<true>
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{
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template<typename DeviceAdapterTag>
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static void Exist(DeviceAdapterTag)
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{
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//runtime information for this device should return true
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vtkm::cont::RuntimeDeviceInformation<DeviceAdapterTag> runtime;
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VTKM_TEST_ASSERT(runtime.Exists() == true,
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"A backend with compile time support, should have runtime support");
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}
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};
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void Detection()
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{
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typedef ::vtkm::cont::DeviceAdapterTagSerial SerialTag;
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typedef ::vtkm::cont::DeviceAdapterTagTBB TBBTag;
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typedef ::vtkm::cont::DeviceAdapterTagCuda CudaTag;
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//Verify that for each device adapter we compile code for, that it
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//has valid runtime support.
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detect_if_exists(CudaTag());
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detect_if_exists(TBBTag());
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detect_if_exists(SerialTag());
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}
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} // anonymous namespace
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int UnitTestRuntimeDeviceInformation(int, char *[])
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{
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return vtkm::cont::testing::Testing::Run(Detection);
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}
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