MMX is a single instruction, multiple data (SIMD) instruction set designed by Intel, introduced in 1997 in their Pentium line of microprocessors, designated as "Pentium with MMX Technology".[1][2] It developed out of a similar unit first introduced on the Intel i860. It has been supported on most subsequent IA-32 processors by Intel and other vendors.
Intel's competitor AMD enhanced Intel's MMX with the 3DNow! instruction set to work with floating-point numbers. Intel would follow AMD's lead on floating-point math and created the SSE extension two years later.
Intel's competitor AMD enhanced Intel's MMX with the 3DNow! instruction set to work with floating-point numbers. Intel would follow AMD's lead on floating-point math and created the SSE extension two years later.
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