163d591795
The `vtkm_unit_tests` function in the CMake build now allows you to specify which files need to be compiled with a device compiler using the `DEVICE_SOURCES` argument. Previously, the only way to specify that unit tests needed to be compiled with a device compiler was to use the `ALL_BACKENDS` argument, which would automatically compile everything with the device compiler as well as test the code on all backends. `ALL_BACKENDS` is still supported, but it no longer changes the sources to be compiled with the device compiler.
202 lines
6.4 KiB
C++
202 lines
6.4 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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//
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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/ArrayHandlePermutation.h>
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#include <vtkm/cont/ArrayHandle.h>
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#include <vtkm/cont/ArrayHandleImplicit.h>
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#include <vtkm/cont/Invoker.h>
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#include <vtkm/worklet/WorkletMapField.h>
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#include <vtkm/cont/testing/Testing.h>
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#include <vector>
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namespace
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{
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const vtkm::Id ARRAY_SIZE = 10;
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struct DoubleIndexFunctor
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{
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VTKM_EXEC_CONT
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vtkm::Id operator()(vtkm::Id index) const { return 2 * index; }
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};
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using DoubleIndexArrayType = vtkm::cont::ArrayHandleImplicit<DoubleIndexFunctor>;
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struct CheckPermutationWorklet : vtkm::worklet::WorkletMapField
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{
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using ControlSignature = void(FieldIn permutationArray);
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using ExecutionSignature = void(WorkIndex, _1);
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template <typename T>
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VTKM_EXEC void operator()(vtkm::Id index, const T& value) const
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{
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vtkm::Id permutedIndex = 2 * index;
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T expectedValue = TestValue(permutedIndex, T());
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if (!test_equal(value, expectedValue))
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{
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this->RaiseError("Encountered bad transformed value.");
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}
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}
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};
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struct InPlacePermutationWorklet : vtkm::worklet::WorkletMapField
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{
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using ControlSignature = void(FieldInOut permutationArray);
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template <typename T>
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VTKM_EXEC void operator()(T& value) const
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{
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value = value + T(1000);
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}
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};
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template <typename PortalType>
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VTKM_CONT void CheckInPlaceResult(PortalType portal)
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{
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using T = typename PortalType::ValueType;
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for (vtkm::Id permutedIndex = 0; permutedIndex < 2 * ARRAY_SIZE; permutedIndex++)
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{
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if (permutedIndex % 2 == 0)
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{
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// This index was part of the permuted array; has a value changed
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T expectedValue = TestValue(permutedIndex, T()) + T(1000);
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T retrievedValue = portal.Get(permutedIndex);
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VTKM_TEST_ASSERT(test_equal(expectedValue, retrievedValue), "Permuted set unexpected value.");
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}
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else
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{
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// This index was not part of the permuted array; has original value
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T expectedValue = TestValue(permutedIndex, T());
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T retrievedValue = portal.Get(permutedIndex);
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VTKM_TEST_ASSERT(test_equal(expectedValue, retrievedValue),
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"Permuted array modified value it should not have.");
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}
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}
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}
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struct OutputPermutationWorklet : vtkm::worklet::WorkletMapField
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{
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// Note: Using a FieldOut for the input domain is rare (and mostly discouraged),
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// but it works as long as the array is allocated to the size desired.
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using ControlSignature = void(FieldOut permutationArray);
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using ExecutionSignature = void(WorkIndex, _1);
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template <typename T>
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VTKM_EXEC void operator()(vtkm::Id index, T& value) const
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{
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value = TestValue(static_cast<vtkm::Id>(index), T());
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}
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};
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template <typename PortalType>
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VTKM_CONT void CheckOutputResult(PortalType portal)
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{
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using T = typename PortalType::ValueType;
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for (vtkm::IdComponent permutedIndex = 0; permutedIndex < 2 * ARRAY_SIZE; permutedIndex++)
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{
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if (permutedIndex % 2 == 0)
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{
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// This index was part of the permuted array; has a value changed
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vtkm::Id originalIndex = permutedIndex / 2;
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T expectedValue = TestValue(originalIndex, T());
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T retrievedValue = portal.Get(permutedIndex);
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VTKM_TEST_ASSERT(test_equal(expectedValue, retrievedValue), "Permuted set unexpected value.");
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}
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else
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{
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// This index was not part of the permuted array; has original value
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T expectedValue = TestValue(permutedIndex, T());
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T retrievedValue = portal.Get(permutedIndex);
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VTKM_TEST_ASSERT(test_equal(expectedValue, retrievedValue),
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"Permuted array modified value it should not have.");
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}
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}
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}
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template <typename ValueType>
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struct PermutationTests
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{
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using IndexArrayType = vtkm::cont::ArrayHandleImplicit<DoubleIndexFunctor>;
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using ValueArrayType = vtkm::cont::ArrayHandle<ValueType, vtkm::cont::StorageTagBasic>;
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using PermutationArrayType = vtkm::cont::ArrayHandlePermutation<IndexArrayType, ValueArrayType>;
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ValueArrayType MakeValueArray() const
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{
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// Allocate a buffer and set initial values
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std::vector<ValueType> buffer(2 * ARRAY_SIZE);
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for (vtkm::IdComponent index = 0; index < 2 * ARRAY_SIZE; index++)
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{
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vtkm::UInt32 i = static_cast<vtkm::UInt32>(index);
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buffer[i] = TestValue(index, ValueType());
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}
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// Create an ArrayHandle from the buffer
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return vtkm::cont::make_ArrayHandle(buffer, vtkm::CopyFlag::On);
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}
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void operator()() const
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{
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std::cout << "Create ArrayHandlePermutation" << std::endl;
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IndexArrayType indexArray(DoubleIndexFunctor(), ARRAY_SIZE);
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ValueArrayType valueArray = this->MakeValueArray();
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PermutationArrayType permutationArray(indexArray, valueArray);
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VTKM_TEST_ASSERT(permutationArray.GetNumberOfValues() == ARRAY_SIZE,
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"Permutation array wrong size.");
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VTKM_TEST_ASSERT(permutationArray.WritePortal().GetNumberOfValues() == ARRAY_SIZE,
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"Permutation portal wrong size.");
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VTKM_TEST_ASSERT(permutationArray.ReadPortal().GetNumberOfValues() == ARRAY_SIZE,
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"Permutation portal wrong size.");
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vtkm::cont::Invoker invoke;
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std::cout << "Test initial values in execution environment" << std::endl;
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invoke(CheckPermutationWorklet{}, permutationArray);
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std::cout << "Try in place operation" << std::endl;
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invoke(InPlacePermutationWorklet{}, permutationArray);
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CheckInPlaceResult(valueArray.WritePortal());
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CheckInPlaceResult(valueArray.ReadPortal());
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std::cout << "Try output operation" << std::endl;
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invoke(OutputPermutationWorklet{}, permutationArray);
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CheckOutputResult(valueArray.ReadPortal());
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CheckOutputResult(valueArray.WritePortal());
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}
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};
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struct TryInputType
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{
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template <typename InputType>
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void operator()(InputType) const
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{
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PermutationTests<InputType>()();
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}
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};
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void TestArrayHandlePermutation()
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{
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vtkm::testing::Testing::TryTypes(TryInputType(), vtkm::TypeListCommon());
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}
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} // anonymous namespace
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int UnitTestArrayHandlePermutation(int argc, char* argv[])
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{
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return vtkm::cont::testing::Testing::Run(TestArrayHandlePermutation, argc, argv);
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}
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