dd2edcab6c
There are various reasons why you might want to execute something but not have a specific device to execute on. To mange this, add a general function that will try a list of devices in order and attempt to run on them in order.
111 lines
3.5 KiB
C++
111 lines
3.5 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 2016 Sandia Corporation.
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// Copyright 2016 UT-Battelle, LLC.
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// Copyright 2016 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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#define VTKM_DEVICE_ADAPTER VTKM_DEVICE_ADAPTER_ERROR
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#include <vtkm/cont/ArrayHandle.h>
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#include <vtkm/cont/DeviceAdapterSerial.h>
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#include <vtkm/cont/TryExecute.h>
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#include <vtkm/cont/internal/DeviceAdapterError.h>
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#include <vtkm/cont/testing/Testing.h>
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namespace {
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static const vtkm::Id ARRAY_SIZE = 10;
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struct TryExecuteTestFunctor
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{
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vtkm::IdComponent NumCalls;
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vtkm::cont::ArrayHandle<vtkm::FloatDefault> InArray;
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vtkm::cont::ArrayHandle<vtkm::FloatDefault> OutArray;
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VTKM_CONT_EXPORT
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TryExecuteTestFunctor(vtkm::cont::ArrayHandle<vtkm::FloatDefault> inArray,
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vtkm::cont::ArrayHandle<vtkm::FloatDefault> outArray)
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: NumCalls(0), InArray(inArray), OutArray(outArray)
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{ }
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template<typename Device>
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VTKM_CONT_EXPORT
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bool operator()(Device)
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{
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typedef vtkm::cont::DeviceAdapterAlgorithm<Device> Algorithm;
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Algorithm::Copy(this->InArray, this->OutArray);
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this->NumCalls++;
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return true;
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}
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};
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template<typename DeviceList>
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void TryExecuteWithList(DeviceList, bool expectSuccess)
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{
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vtkm::cont::ArrayHandle<vtkm::FloatDefault> inArray;
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vtkm::cont::ArrayHandle<vtkm::FloatDefault> outArray;
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inArray.Allocate(ARRAY_SIZE);
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SetPortal(inArray.GetPortalControl());
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TryExecuteTestFunctor functor(inArray, outArray);
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bool result = vtkm::cont::TryExecute(functor, DeviceList());
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if (expectSuccess)
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{
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VTKM_TEST_ASSERT(result, "Call returned failure when expected success.");
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VTKM_TEST_ASSERT(functor.NumCalls == 1, "Bad number of calls");
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CheckPortal(outArray.GetPortalConstControl());
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}
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else
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{
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VTKM_TEST_ASSERT(!result, "Call returned true when expected failure.");
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}
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}
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static void Run()
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{
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typedef vtkm::cont::DeviceAdapterTagSerial ValidDevice;
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typedef vtkm::cont::DeviceAdapterTagError InvalidDevice;
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std::cout << "Try a list with a single entry." << std::endl;
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typedef vtkm::ListTagBase<ValidDevice> SingleValidList;
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TryExecuteWithList(SingleValidList(), true);
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std::cout << "Try a list with two valid devices." << std::endl;
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typedef vtkm::ListTagBase<ValidDevice,ValidDevice> DoubleValidList;
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TryExecuteWithList(DoubleValidList(), true);
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std::cout << "Try a list with only invalid device." << std::endl;
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typedef vtkm::ListTagBase<InvalidDevice> SingleInvalidList;
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TryExecuteWithList(SingleInvalidList(), false);
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std::cout << "Try a list with an invalid and valid device." << std::endl;
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typedef vtkm::ListTagBase<InvalidDevice,ValidDevice> InvalidAndValidList;
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TryExecuteWithList(InvalidAndValidList(), true);
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}
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} // anonymous namespace
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int UnitTestTryExecute(int, char*[])
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{
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return vtkm::cont::testing::Testing::Run(Run);
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}
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