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#include "catch.hpp"
#include "CUDADataFormats/Common/interface/Product.h"
#include "HeterogeneousCore/CUDACore/interface/ScopedContext.h"
#include "HeterogeneousCore/CUDAUtilities/interface/cudaCheck.h"
#include "HeterogeneousCore/CUDAUtilities/interface/requireDevices.h"
#include "HeterogeneousCore/CUDAUtilities/interface/StreamCache.h"
#include "HeterogeneousCore/CUDAUtilities/interface/EventCache.h"
#include <cuda_runtime_api.h>
namespace cms::cudatest {
class TestScopedContext {
public:
static cuda::ScopedContextProduce make(int dev, bool createEvent) {
cms::cuda::SharedEventPtr event;
if (createEvent) {
event = cms::cuda::getEventCache().get();
}
return cuda::ScopedContextProduce(dev, cms::cuda::getStreamCache().get(), std::move(event));
}
};
} // namespace cms::cudatest
TEST_CASE("Use of cms::cuda::Product template", "[CUDACore]") {
SECTION("Default constructed") {
auto foo = cms::cuda::Product<int>();
REQUIRE(!foo.isValid());
auto bar = std::move(foo);
}
if (not cms::cudatest::testDevices()) {
return;
}
constexpr int defaultDevice = 0;
cudaCheck(cudaSetDevice(defaultDevice));
{
auto ctx = cms::cudatest::TestScopedContext::make(defaultDevice, true);
std::unique_ptr<cms::cuda::Product<int>> dataPtr = ctx.wrap(10);
auto& data = *dataPtr;
SECTION("Construct from cms::cuda::ScopedContext") {
REQUIRE(data.isValid());
REQUIRE(data.device() == defaultDevice);
REQUIRE(data.stream() == ctx.stream());
REQUIRE(data.event() != nullptr);
}
SECTION("Move constructor") {
auto data2 = cms::cuda::Product<int>(std::move(data));
REQUIRE(data2.isValid());
REQUIRE(!data.isValid());
}
SECTION("Move assignment") {
cms::cuda::Product<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
}
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