> Maybe modern codecs are seeing the writing on the wall and are increasing macroblock size for better parallel processing 10 years into the future We did inde

> Maybe modern codecs are seeing the writing on the wall and are increasing macroblock size for better parallel processing 10 years into the future We did indeed do this for JPEG XL - the future is now :) 256x256 pixel groups are independently decodable (multi-core), each with >= 64-item (float) SIMD.