Indeed it does depend, some languages are row major (C, C++) while others are column major (Fortran, and some common HPC libraries are in Fortran). https://en.

Indeed it does depend, some languages are row major (C, C++) while others are column major (Fortran, and some common HPC libraries are in Fortran). https://en.wikipedia.org/wiki/Row-_and_column-major_order https://en.wikipedia.org/wiki/Row-_and_column-major_order