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test_CUDAProduct.cc
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test_CUDAProduct.cc
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#include "catch.hpp"
#include "CUDADataFormats/Common/interface/CUDAProduct.h"
#include "HeterogeneousCore/CUDACore/interface/CUDAScopedContext.h"
#include "HeterogeneousCore/CUDAUtilities/interface/cudaCheck.h"
#include "HeterogeneousCore/CUDAUtilities/interface/requireCUDADevices.h"
#include "HeterogeneousCore/CUDAUtilities/interface/CUDAStreamCache.h"
#include "HeterogeneousCore/CUDAUtilities/interface/CUDAEventCache.h"
#include <cuda_runtime_api.h>
namespace cudatest {
class TestCUDAScopedContext {
public:
static CUDAScopedContextProduce make(int dev, bool createEvent) {
cudautils::SharedEventPtr event;
if (createEvent) {
event = cudautils::getCUDAEventCache().getCUDAEvent();
}
return CUDAScopedContextProduce(dev, cudautils::getCUDAStreamCache().getCUDAStream(), std::move(event));
}
};
} // namespace cudatest
TEST_CASE("Use of CUDAProduct template", "[CUDACore]") {
SECTION("Default constructed") {
auto foo = CUDAProduct<int>();
REQUIRE(!foo.isValid());
auto bar = std::move(foo);
}
if (not hasCUDADevices()) {
return;
}
constexpr int defaultDevice = 0;
cudaCheck(cudaSetDevice(defaultDevice));
{
auto ctx = cudatest::TestCUDAScopedContext::make(defaultDevice, true);
std::unique_ptr<CUDAProduct<int>> dataPtr = ctx.wrap(10);
auto& data = *dataPtr;
SECTION("Construct from CUDAScopedContext") {
REQUIRE(data.isValid());
REQUIRE(data.device() == defaultDevice);
REQUIRE(data.stream() == ctx.stream());
REQUIRE(data.event() != nullptr);
}
SECTION("Move constructor") {
auto data2 = CUDAProduct<int>(std::move(data));
REQUIRE(data2.isValid());
REQUIRE(!data.isValid());
}
SECTION("Move assignment") {
CUDAProduct<int> data2;
data2 = std::move(data);
REQUIRE(data2.isValid());
REQUIRE(!data.isValid());
}
}
cudaCheck(cudaSetDevice(defaultDevice));
cudaCheck(cudaDeviceSynchronize());
// Note: CUDA resources are cleaned up by the destructors of the global cache objects
}