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#include <c10/core/Allocator.h>
#include <c10/util/Exception.h>
#include <cstddef>
#include <cstdint>
#include <type_traits>
namespace c10 {
template <typename T>
class DeviceArray {
public:
DeviceArray(c10::Allocator& allocator, size_t size)
: data_ptr_(allocator.allocate(size * sizeof(T))) {
static_assert(std::is_trivial_v<T>, "T must be a trivial type");
TORCH_INTERNAL_ASSERT(
0 == (reinterpret_cast<intptr_t>(data_ptr_.get()) % alignof(T)),
"c10::DeviceArray: Allocated memory is not aligned for this data type");
}
T* get() {
return static_cast<T*>(data_ptr_.get());
}
private:
c10::DataPtr data_ptr_;
};
} // namespace c10
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