Simd, Hpc, Dic, Computer Architecture.
operate on mmx registers. Both 32-bit and 64-bit architectures contain 8 mmx registers per logical core. Each mmx register is 64 bit wide, which can hold either a 64-bit integer, or 2 32-bit packed integers, or 4 16-bit packed integers, or 8 8-bit packed integers. The disadvantage with MMX