No, vectorization is converting scalar operations (i.e. one piece of data at a time, e.g. summing one byte at a time) to vector ones (operating on multiple piec

No, vectorization is converting scalar operations (i.e. one piece of data at a time, e.g. summing one byte at a time) to vector ones (operating on multiple pieces of data at once, e.g. summing 16 bytes in parallel), and these operations are exactly what SIMD is.