mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-20 02:55:47 +00:00
d6f66d17a3
`vtkm::cont::testing` now initializes with logging enabled and support for device being passed on the command line, `vtkm::testing` only enables logging.
547 lines
20 KiB
C++
547 lines
20 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 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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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-NA0003525 with NTESS,
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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/internal/FunctionInterface.h>
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#include <vtkm/cont/Timer.h>
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#include <vtkm/cont/testing/Testing.h>
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#include <sstream>
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#include <string>
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// Disable the test on the overhead to invoke a function. It is unreliable and
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// the most critical invoke (for the instance of a worklet) does not directly
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// use the Invoke method.
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//#define TEST_INVOKE_TIME
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namespace
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{
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using Type1 = vtkm::Id;
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const Type1 Arg1 = 1234;
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using Type2 = vtkm::Float64;
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const Type2 Arg2 = 5678.125;
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using Type3 = std::string;
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const Type3 Arg3("Third argument");
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using Type4 = vtkm::Vec<vtkm::Float32, 3>;
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const Type4 Arg4(1.2f, 3.4f, 5.6f);
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using Type5 = vtkm::Id3;
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const Type5 Arg5(4, 5, 6);
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struct ThreeArgFunctor
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{
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void operator()(const Type1& a1, const Type2& a2, const Type3& a3) const
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{
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std::cout << "In 3 arg functor." << std::endl;
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VTKM_TEST_ASSERT(a1 == Arg1, "Arg 1 incorrect.");
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VTKM_TEST_ASSERT(a2 == Arg2, "Arg 2 incorrect.");
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VTKM_TEST_ASSERT(a3 == Arg3, "Arg 3 incorrect.");
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}
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};
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struct ThreeArgModifyFunctor
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{
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void operator()(Type1& a1, Type2& a2, Type3& a3) const
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{
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std::cout << "In 3 arg modify functor." << std::endl;
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a1 = Arg1;
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a2 = Arg2;
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a3 = Arg3;
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}
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};
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struct GetReferenceFunctor
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{
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template <typename T>
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struct ReturnType
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{
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using type = const typename std::remove_reference<T>::type*;
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};
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template <typename T>
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const T* operator()(const T& x) const
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{
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return &x;
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}
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};
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struct PointerTransform
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{
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template <typename T, vtkm::IdComponent Index>
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struct ReturnType
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{
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using type = const T*;
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};
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template <typename T, typename IndexTag>
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const T* operator()(const T& x, IndexTag) const
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{
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return &x;
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}
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};
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struct ThreePointerArgFunctor
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{
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void operator()(const Type1* a1, const Type2* a2, const Type3* a3) const
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{
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std::cout << "In 3 point arg functor." << std::endl;
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VTKM_TEST_ASSERT(*a1 == Arg1, "Arg 1 incorrect.");
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VTKM_TEST_ASSERT(*a2 == Arg2, "Arg 2 incorrect.");
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VTKM_TEST_ASSERT(*a3 == Arg3, "Arg 3 incorrect.");
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}
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};
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struct ThreeArgFunctorWithReturn
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{
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std::string operator()(const Type1& a1, const Type2& a2, const Type3& a3) const
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{
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std::cout << "In 3 arg functor with return." << std::endl;
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std::stringstream buffer;
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buffer.precision(10);
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buffer << a1 << " " << a2 << " " << a3;
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return buffer.str();
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}
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};
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struct FiveArgFunctor
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{
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void operator()(const Type1& a1,
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const Type2& a2,
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const Type3& a3,
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const Type4& a4,
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const Type5& a5) const
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{
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std::cout << "In 5 arg functor." << std::endl;
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VTKM_TEST_ASSERT(a1 == Arg1, "Arg 1 incorrect.");
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VTKM_TEST_ASSERT(a2 == Arg2, "Arg 2 incorrect.");
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VTKM_TEST_ASSERT(a3 == Arg3, "Arg 3 incorrect.");
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VTKM_TEST_ASSERT(a4 == Arg4, "Arg 4 incorrect.");
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VTKM_TEST_ASSERT(a5 == Arg5, "Arg 5 incorrect.");
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}
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};
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struct FiveArgSwizzledFunctor
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{
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void operator()(const Type5& a5,
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const Type1& a1,
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const Type3& a3,
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const Type4& a4,
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const Type2& a2) const
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{
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std::cout << "In 5 arg functor." << std::endl;
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VTKM_TEST_ASSERT(a1 == Arg1, "Arg 1 incorrect.");
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VTKM_TEST_ASSERT(a2 == Arg2, "Arg 2 incorrect.");
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VTKM_TEST_ASSERT(a3 == Arg3, "Arg 3 incorrect.");
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VTKM_TEST_ASSERT(a4 == Arg4, "Arg 4 incorrect.");
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VTKM_TEST_ASSERT(a5 == Arg5, "Arg 5 incorrect.");
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}
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};
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#ifdef TEST_INVOKE_TIME
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struct LotsOfArgsFunctor
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{
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LotsOfArgsFunctor()
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: Field(0)
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{
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}
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void operator()(vtkm::FloatDefault arg1,
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vtkm::FloatDefault arg2,
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vtkm::FloatDefault arg3,
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vtkm::FloatDefault arg4,
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vtkm::FloatDefault arg5,
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vtkm::FloatDefault arg6,
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vtkm::FloatDefault arg7,
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vtkm::FloatDefault arg8,
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vtkm::FloatDefault arg9,
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vtkm::FloatDefault arg10)
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{
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VTKM_TEST_ASSERT(arg1 == 1.0, "Got bad argument");
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VTKM_TEST_ASSERT(arg2 == 2.0, "Got bad argument");
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VTKM_TEST_ASSERT(arg3 == 3.0, "Got bad argument");
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VTKM_TEST_ASSERT(arg4 == 4.0, "Got bad argument");
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VTKM_TEST_ASSERT(arg5 == 5.0, "Got bad argument");
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VTKM_TEST_ASSERT(arg6 == 6.0, "Got bad argument");
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VTKM_TEST_ASSERT(arg7 == 7.0, "Got bad argument");
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VTKM_TEST_ASSERT(arg8 == 8.0, "Got bad argument");
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VTKM_TEST_ASSERT(arg9 == 9.0, "Got bad argument");
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VTKM_TEST_ASSERT(arg10 == 10.0, "Got bad argument");
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this->Field += arg1 + arg2 + arg3 + arg4 + arg5 + arg6 + arg7 + arg8 + arg9 + arg10;
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}
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vtkm::FloatDefault Field;
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};
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#endif //TEST_INVOKE_TIME
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template <typename T>
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std::string ToString(const T& value)
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{
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std::stringstream stream;
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stream.precision(10);
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stream << value;
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return stream.str();
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}
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std::string ToString(const std::string& value)
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{
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return value;
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}
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struct StringTransform
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{
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template <typename T>
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std::string operator()(const T& input) const
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{
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return ToString(input);
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}
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};
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struct ThreeArgStringFunctorWithReturn
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{
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std::string operator()(std::string arg1, std::string arg2, std::string arg3) const
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{
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return arg1 + " " + arg2 + " " + arg3;
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}
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};
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struct DynamicTransformFunctor
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{
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template <typename T, typename ContinueFunctor, vtkm::IdComponent Index>
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void operator()(const T& input,
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const ContinueFunctor continueFunc,
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vtkm::internal::IndexTag<Index>) const
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{
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continueFunc(input + T(Index));
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continueFunc(ToString(input + T(Index)));
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}
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template <typename ContinueFunctor, vtkm::IdComponent Index>
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void operator()(const std::string& input,
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const ContinueFunctor continueFunc,
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vtkm::internal::IndexTag<Index>) const
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{
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continueFunc(input);
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}
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};
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vtkm::Id g_DynamicTransformFinishCalls;
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struct DynamicTransformFinish
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{
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template <typename Signature>
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void operator()(vtkm::internal::FunctionInterface<Signature>& funcInterface) const
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{
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g_DynamicTransformFinishCalls++;
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VTKM_TEST_ASSERT(ToString(funcInterface.template GetParameter<1>()) == ToString(Arg1 + 1),
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"Arg 1 incorrect");
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VTKM_TEST_ASSERT(ToString(funcInterface.template GetParameter<2>()) == ToString(Arg2 + 2),
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"Arg 2 incorrect");
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VTKM_TEST_ASSERT(ToString(funcInterface.template GetParameter<3>()) == ToString(Arg3),
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"Arg 3 incorrect");
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}
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};
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struct ForEachFunctor
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{
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template <typename T, vtkm::IdComponent Index>
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void operator()(T& x, vtkm::internal::IndexTag<Index>) const
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{
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x = T(Index) + x;
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}
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template <vtkm::IdComponent Index>
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void operator()(std::string& x, vtkm::internal::IndexTag<Index>) const
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{
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std::stringstream message;
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message << x << "+" << Index;
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x = message.str();
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}
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};
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void TryFunctionInterface5(
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vtkm::internal::FunctionInterface<void(Type1, Type2, Type3, Type4, Type5)> funcInterface)
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{
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std::cout << "Checking 5 parameter function interface." << std::endl;
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VTKM_TEST_ASSERT(funcInterface.GetArity() == 5, "Got wrong number of parameters.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<1>() == Arg1, "Arg 1 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<2>() == Arg2, "Arg 2 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<3>() == Arg3, "Arg 3 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<4>() == Arg4, "Arg 4 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<5>() == Arg5, "Arg 5 incorrect.");
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std::cout << "Checking invocation." << std::endl;
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funcInterface.InvokeCont(FiveArgFunctor());
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funcInterface.InvokeExec(FiveArgFunctor());
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std::cout << "Swizzling parameters with replace." << std::endl;
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funcInterface.Replace<1>(Arg5)
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.Replace(Arg1, vtkm::internal::IndexTag<2>())
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.Replace<5>(Arg2)
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.InvokeCont(FiveArgSwizzledFunctor());
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}
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void TestBasicFunctionInterface()
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{
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std::cout << "Creating basic function interface." << std::endl;
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vtkm::internal::FunctionInterface<void(Type1, Type2, Type3)> funcInterface =
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vtkm::internal::make_FunctionInterface<void>(Arg1, Arg2, Arg3);
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std::cout << "Checking parameters." << std::endl;
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VTKM_TEST_ASSERT(funcInterface.GetArity() == 3, "Got wrong number of parameters.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<1>() == Arg1, "Arg 1 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter(vtkm::internal::IndexTag<2>()) == Arg2,
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"Arg 2 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<3>() == Arg3, "Arg 3 incorrect.");
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std::cout << "Checking invocation." << std::endl;
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funcInterface.InvokeCont(ThreeArgFunctor());
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funcInterface.InvokeExec(ThreeArgFunctor());
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std::cout << "Checking invocation with argument modification." << std::endl;
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funcInterface.SetParameter<1>(Type1());
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funcInterface.SetParameter(Type2(), vtkm::internal::IndexTag<2>());
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funcInterface.SetParameter<3>(Type3());
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VTKM_TEST_ASSERT(funcInterface.GetParameter<1>() != Arg1, "Arg 1 not cleared.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<2>() != Arg2, "Arg 2 not cleared.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<3>() != Arg3, "Arg 3 not cleared.");
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funcInterface.InvokeCont(ThreeArgModifyFunctor());
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VTKM_TEST_ASSERT(funcInterface.GetParameter<1>() == Arg1, "Arg 1 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<2>() == Arg2, "Arg 2 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<3>() == Arg3, "Arg 3 incorrect.");
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TryFunctionInterface5(vtkm::internal::make_FunctionInterface<void>(Arg1, Arg2, Arg3, Arg4, Arg5));
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}
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void TestInvokeResult()
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{
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std::cout << "Checking invocation with return." << std::endl;
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vtkm::internal::FunctionInterface<std::string(Type1, Type2, Type3)> funcInterface =
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vtkm::internal::make_FunctionInterface<std::string>(Arg1, Arg2, Arg3);
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funcInterface.InvokeCont(ThreeArgFunctorWithReturn());
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std::string result = funcInterface.GetReturnValue();
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std::cout << "Got result: " << result << std::endl;
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VTKM_TEST_ASSERT(result == "1234 5678.125 Third argument", "Got bad result from invoke.");
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}
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void TestAppend()
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{
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std::cout << "Appending interface with return value." << std::endl;
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vtkm::internal::FunctionInterface<std::string(Type1, Type2)> funcInterface2ArgWRet =
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vtkm::internal::make_FunctionInterface<std::string>(Arg1, Arg2);
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vtkm::internal::FunctionInterface<std::string(Type1, Type2, Type3)> funcInterface3ArgWRet =
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funcInterface2ArgWRet.Append(Arg3);
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VTKM_TEST_ASSERT(funcInterface3ArgWRet.GetParameter<1>() == Arg1, "Arg 1 incorrect.");
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VTKM_TEST_ASSERT(funcInterface3ArgWRet.GetParameter<2>() == Arg2, "Arg 2 incorrect.");
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VTKM_TEST_ASSERT(funcInterface3ArgWRet.GetParameter<3>() == Arg3, "Arg 3 incorrect.");
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std::cout << "Invoking appended function interface." << std::endl;
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funcInterface3ArgWRet.InvokeExec(ThreeArgFunctorWithReturn());
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std::string result = funcInterface3ArgWRet.GetReturnValue();
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std::cout << "Got result: " << result << std::endl;
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VTKM_TEST_ASSERT(result == "1234 5678.125 Third argument", "Got bad result from invoke.");
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std::cout << "Appending another value." << std::endl;
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vtkm::internal::FunctionInterface<std::string(Type1, Type2, Type3, Type4)> funcInterface4ArgWRet =
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funcInterface3ArgWRet.Append(Arg4);
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VTKM_TEST_ASSERT(funcInterface4ArgWRet.GetParameter<4>() == Arg4, "Arg 4 incorrect.");
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VTKM_TEST_ASSERT(funcInterface4ArgWRet.GetReturnValue() == "1234 5678.125 Third argument",
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"Got bad result from copy.");
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std::cout << "Checking double append." << std::endl;
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vtkm::internal::FunctionInterface<void(Type1, Type2, Type3)> funcInterface3 =
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vtkm::internal::make_FunctionInterface<void>(Arg1, Arg2, Arg3);
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TryFunctionInterface5(funcInterface3.Append(Arg4).Append(Arg5));
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}
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void TestTransformInvoke()
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{
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std::cout << "Trying transform invoke." << std::endl;
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vtkm::internal::FunctionInterface<std::string(Type1, Type2, Type3)> funcInterface =
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vtkm::internal::make_FunctionInterface<std::string>(Arg1, Arg2, Arg3);
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funcInterface.InvokeCont(ThreeArgStringFunctorWithReturn(), StringTransform());
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std::string result = funcInterface.GetReturnValue();
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std::cout << "Got result: " << result << std::endl;
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VTKM_TEST_ASSERT(result == "1234 5678.125 Third argument", "Got bad result from invoke.");
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}
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void TestStaticTransform()
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{
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std::cout << "Trying static transform." << std::endl;
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using OriginalType = vtkm::internal::FunctionInterface<void(Type1, Type2, Type3)>;
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OriginalType funcInterface = vtkm::internal::make_FunctionInterface<void>(Arg1, Arg2, Arg3);
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std::cout << "Transform with reported type." << std::endl;
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using ReportedType = OriginalType::StaticTransformType<PointerTransform>::type;
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ReportedType funcInterfaceTransform1 = funcInterface.StaticTransformCont(PointerTransform());
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funcInterfaceTransform1.InvokeCont(ThreePointerArgFunctor());
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funcInterfaceTransform1 = funcInterface.StaticTransformExec(PointerTransform());
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funcInterfaceTransform1.InvokeExec(ThreePointerArgFunctor());
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}
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void TestDynamicTransform()
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{
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std::cout << "Trying dynamic transform." << std::endl;
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vtkm::internal::FunctionInterface<void(Type1, Type2, Type3)> funcInterface =
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vtkm::internal::make_FunctionInterface<void>(Arg1, Arg2, Arg3);
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g_DynamicTransformFinishCalls = 0;
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funcInterface.DynamicTransformCont(DynamicTransformFunctor(), DynamicTransformFinish());
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// We use an idiosyncrasy of DynamicTransform to call finish with two
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// permutations for every non string argument and one permutation for every
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// string argument. Thus, we expect it to be called 4 times.
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std::cout << "Number of finish calls: " << g_DynamicTransformFinishCalls << std::endl;
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VTKM_TEST_ASSERT(g_DynamicTransformFinishCalls == 4,
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"DynamicTransform did not call finish the right number of times.");
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}
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void TestForEach()
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{
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std::cout << "Checking running a function on each parameter." << std::endl;
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vtkm::internal::FunctionInterface<void(Type1, Type2, Type3, Type4, Type5)> funcInterface =
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vtkm::internal::make_FunctionInterface<void>(Arg1, Arg2, Arg3, Arg4, Arg5);
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VTKM_TEST_ASSERT(funcInterface.GetParameter<1>() == Arg1, "Arg 1 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<2>() == Arg2, "Arg 2 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<3>() == Arg3, "Arg 3 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<4>() == Arg4, "Arg 4 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<5>() == Arg5, "Arg 5 incorrect.");
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funcInterface.ForEachCont(ForEachFunctor());
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VTKM_TEST_ASSERT(funcInterface.GetParameter<1>() == Type1(1) + Arg1, "Arg 1 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<2>() == Type2(2) + Arg2, "Arg 2 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<3>() == Arg3 + "+3", "Arg 3 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<4>() == Type4(4) + Arg4, "Arg 4 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<5>() == Type5(5) + Arg5, "Arg 5 incorrect.");
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funcInterface.ForEachExec(ForEachFunctor());
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VTKM_TEST_ASSERT(funcInterface.GetParameter<1>() == Type1(2) + Arg1, "Arg 1 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<2>() == Type2(4) + Arg2, "Arg 2 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<3>() == Arg3 + "+3+3", "Arg 3 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<4>() == Type4(8) + Arg4, "Arg 4 incorrect.");
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VTKM_TEST_ASSERT(funcInterface.GetParameter<5>() == Type5(10) + Arg5, "Arg 5 incorrect.");
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}
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#ifdef TEST_INVOKE_TIME
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void TestInvokeTime()
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{
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std::cout << "Checking time to call lots of args lots of times." << std::endl;
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static vtkm::Id NUM_TRIALS = 50000;
|
|
LotsOfArgsFunctor f;
|
|
|
|
vtkm::cont::Timer<> timer;
|
|
for (vtkm::Id trial = 0; trial < NUM_TRIALS; trial++)
|
|
{
|
|
f(1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f, 9.0f, 10.0f);
|
|
}
|
|
vtkm::Float64 directCallTime = timer.GetElapsedTime();
|
|
std::cout << "Time for direct call: " << directCallTime << " seconds" << std::endl;
|
|
|
|
vtkm::internal::FunctionInterface<void(vtkm::FloatDefault,
|
|
vtkm::FloatDefault,
|
|
vtkm::FloatDefault,
|
|
vtkm::FloatDefault,
|
|
vtkm::FloatDefault,
|
|
vtkm::FloatDefault,
|
|
vtkm::FloatDefault,
|
|
vtkm::FloatDefault,
|
|
vtkm::FloatDefault,
|
|
vtkm::FloatDefault)>
|
|
funcInterface = vtkm::internal::make_FunctionInterface<void>(vtkm::FloatDefault(1),
|
|
vtkm::FloatDefault(2),
|
|
vtkm::FloatDefault(3),
|
|
vtkm::FloatDefault(4),
|
|
vtkm::FloatDefault(5),
|
|
vtkm::FloatDefault(6),
|
|
vtkm::FloatDefault(7),
|
|
vtkm::FloatDefault(8),
|
|
vtkm::FloatDefault(9),
|
|
vtkm::FloatDefault(10));
|
|
|
|
timer.Reset();
|
|
for (vtkm::Id trial = 0; trial < NUM_TRIALS; trial++)
|
|
{
|
|
funcInterface.InvokeCont(f);
|
|
}
|
|
vtkm::Float64 invokeCallTime = timer.GetElapsedTime();
|
|
std::cout << "Time for invoking function interface: " << invokeCallTime << " seconds"
|
|
<< std::endl;
|
|
std::cout << "Pointless result (making sure compiler computes it) " << f.Field << std::endl;
|
|
|
|
#if !defined(NDEBUG) && defined(VTKM_MSVC)
|
|
// We expect function calls through the FunctionInterface class to take
|
|
// about the same amount of time as calling the function directly. If
|
|
// optimization is on and functions are properly inlined, this should
|
|
// certainly be the case. Most compilers are close even in debug mode.
|
|
// However, some compilers might add extra debug instructions for each
|
|
// function call, so this might slow things down. Handle that contingency
|
|
// here with just a warning. (Future builds might need to add more cases
|
|
// here.)
|
|
if (invokeCallTime >= 1.05 * directCallTime)
|
|
{
|
|
std::cout << "WARNING: Function interface took longer than expected." << std::endl
|
|
<< "That should be corrected in release builds." << std::endl;
|
|
}
|
|
#else
|
|
// Might need to disable this for non-release builds.
|
|
VTKM_TEST_ASSERT(invokeCallTime < 1.05 * directCallTime,
|
|
"Function interface invoke took longer than expected.");
|
|
#endif
|
|
}
|
|
#endif // if TEST_INVOKE_TIME
|
|
|
|
void TestFunctionInterface()
|
|
{
|
|
TestBasicFunctionInterface();
|
|
TestInvokeResult();
|
|
TestAppend();
|
|
TestTransformInvoke();
|
|
TestStaticTransform();
|
|
TestDynamicTransform();
|
|
TestForEach();
|
|
#ifdef TEST_INVOKE_TIME
|
|
TestInvokeTime();
|
|
#endif //TEST_INVOKE_TIME
|
|
}
|
|
|
|
} // anonymous namespace
|
|
|
|
int UnitTestFunctionInterface(int argc, char* argv[])
|
|
{
|
|
return vtkm::cont::testing::Testing::Run(TestFunctionInterface, argc, argv);
|
|
}
|