[Numpy-discussion] Proposal to accept NEP 54: Adopt Google Highway for developing SIMD kernels

Hi all, Its been more than year since NEP 54 was drafted (see https://numpy.org/neps/nep-0054-simd-cpp-highway.html). A PR has been opened to change the status of NEP 54 to "Accepted" (https://github.com/numpy/numpy/pull/28556). A few details to iron out: 1. Static/dynamic dispatch: Highwa

[Numpy-discussion] Add a "broadcast" option to numpy.concatenate

Often, I've wanted to concatenate arrays with different ndims along a particular axis, broadcasting the other axes as needed. Others have sought this functionality as well: - https://stackoverflow.com/questions/56357047 - https://github.com/numpy/numpy/issues/2115 - https://stackoverflow.com/qu