pytorch/c10/core/DeviceArray.h
Peter Bell f7d598948a Remove native_functions.yaml dependency from TensorModeKernel.cu (#66913)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/66913

Test Plan: Imported from OSS

Reviewed By: bdhirsh

Differential Revision: D31856102

Pulled By: dagitses

fbshipit-source-id: 8888a1984adef09104a40ae683d091143cd1f4fa
2021-11-30 04:22:09 -08:00

25 lines
595 B
C++

#include <c10/core/Allocator.h>
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<T>::value, "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