Streaming SIMD Extensions(SSE) {Intel Corporation}'s {floating point} {SIMD} extention of their {Pentium} {microprocessor} architecture. SSE was formerly know as KNI (Katmai New Instructions). It was introduced with the {Pentium III}. {Intel Pentium III (http://developer.intel.com/design/pentiumiii/prodbref/)}. {ipoem (http://www.ipoem.com/technology/Docs/pentium4.html)}. (2003-07-13)