PC Vector instructions
Streaming SIMD extension 1, 2 (SSE1, SSE2), Intel XEON (P4)
144 new instructions, a 4x32-Bit (SSE1) or 2x64-bit (SSE2) SIMD
integer arithmetic and 4x32-bit (SSE1) single precision or 2x64-bit
(SSE2) double precision SIMD floating point instructions.
3DNow!Professional, AMD Athlon 4
71 new instructions, including SSE1 compatible floating point
162 SIMD instructions for max. 32-bit floating point arithmetic
Applications : 3D Games (!), Compression (MPEG, JPEG...), Signal processing, ...