If an empty allocator is used, the allocator will still add sizeof(void*) to sizeof(vt::ndarray). This could be optimized away by using a std::tuple for the members thanks to empty base optimization.
Note: Check if this does not introduce performance regressions.
C++20 alternative that is much cleaner: https://en.cppreference.com/w/cpp/language/attributes/no_unique_address
If an empty allocator is used, the allocator will still add
sizeof(void*)tosizeof(vt::ndarray). This could be optimized away by using astd::tuplefor the members thanks to empty base optimization.Note: Check if this does not introduce performance regressions.
C++20 alternative that is much cleaner: https://en.cppreference.com/w/cpp/language/attributes/no_unique_address