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108 lines
3.4 KiB
Plaintext
108 lines
3.4 KiB
Plaintext
/*
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Copyright 2025 Equinor ASA
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This file is part of the Open Porous Media project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#define BOOST_TEST_MODULE TestSmartPointers
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#include <boost/test/unit_test.hpp>
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#include <opm/simulators/linalg/gpuistl/gpu_smart_pointer.hpp>
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namespace
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{
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struct SomeStruct {
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__device__ void someFunction()
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{
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this->isCalled = true;
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}
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bool isCalled = false;
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};
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template <class T>
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__global__ void
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setValue(Opm::gpuistl::PointerView<T> ptrIn, Opm::gpuistl::PointerView<T> ptrOut)
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{
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*ptrOut = *ptrIn;
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}
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template <class T>
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__global__ void
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setValueGet(Opm::gpuistl::PointerView<T> ptrIn, Opm::gpuistl::PointerView<T> ptrOut)
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{
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*ptrOut.get() = *ptrIn.get();
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}
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template <class T>
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__global__ void
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callFunction(Opm::gpuistl::PointerView<T> ptrIn)
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{
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ptrIn->someFunction();
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}
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} // namespace
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BOOST_AUTO_TEST_CASE(TestSharedPointer)
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{
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auto sharedPtr = Opm::gpuistl::make_gpu_shared_ptr<int>(1);
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int valueFromDevice = 0;
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OPM_GPU_SAFE_CALL(cudaMemcpy(&valueFromDevice, sharedPtr.get(), sizeof(int), cudaMemcpyDeviceToHost));
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BOOST_CHECK_EQUAL(valueFromDevice, 1);
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}
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BOOST_AUTO_TEST_CASE(TestUniquePointer)
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{
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auto uniquePtr = Opm::gpuistl::make_gpu_unique_ptr<int>(1);
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int valueFromDevice = 0;
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OPM_GPU_SAFE_CALL(cudaMemcpy(&valueFromDevice, uniquePtr.get(), sizeof(int), cudaMemcpyDeviceToHost));
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BOOST_CHECK_EQUAL(valueFromDevice, 1);
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}
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BOOST_AUTO_TEST_CASE(TestPointerView)
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{
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auto pointerDestination = Opm::gpuistl::make_gpu_shared_ptr<double>(92);
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auto pointerSource = Opm::gpuistl::make_gpu_shared_ptr<double>(128.5);
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setValue<<<1, 1>>>(Opm::gpuistl::make_view(pointerSource), Opm::gpuistl::make_view(pointerDestination));
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double valueFromDevice = 0;
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OPM_GPU_SAFE_CALL(cudaMemcpy(&valueFromDevice, pointerDestination.get(), sizeof(double), cudaMemcpyDeviceToHost));
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BOOST_CHECK_EQUAL(valueFromDevice, 128.5);
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auto newSource = Opm::gpuistl::make_gpu_shared_ptr<double>(-1.0);
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setValueGet<<<1, 1>>>(Opm::gpuistl::make_view(newSource), Opm::gpuistl::make_view(pointerDestination));
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OPM_GPU_SAFE_CALL(cudaMemcpy(&valueFromDevice, pointerDestination.get(), sizeof(double), cudaMemcpyDeviceToHost));
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BOOST_CHECK_EQUAL(valueFromDevice, -1.0);
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auto structPtr = Opm::gpuistl::make_gpu_shared_ptr<SomeStruct>();
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callFunction<<<1, 1>>>(Opm::gpuistl::make_view(structPtr));
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bool isCalled = false;
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OPM_GPU_SAFE_CALL(cudaMemcpy(&isCalled, structPtr.get(), sizeof(bool), cudaMemcpyDeviceToHost));
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BOOST_CHECK_EQUAL(isCalled, true);
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auto uniquePtr = Opm::gpuistl::make_gpu_unique_ptr<double>(1.0);
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auto uniqueView = Opm::gpuistl::make_view(uniquePtr);
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double valueFromDeviceUnique = 0;
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OPM_GPU_SAFE_CALL(cudaMemcpy(&valueFromDeviceUnique, uniqueView.get(), sizeof(double), cudaMemcpyDeviceToHost));
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BOOST_CHECK_EQUAL(valueFromDeviceUnique, 1.0);
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}
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