The 45nm Next Generation Intel Core 2 processor family (Penryn) is the next generation of Intel processors based on Intel® 45nm transistor technology, a new transistor breakthrough that allows for processors with nearly twice the transistor density and drastically reduced electrical leakage. Penryn includes new instructions (Intel SSE4) and microarchitecture enhancements that will deliver superior performance and energy-efficiency while maintaining compatibility to already existing applications.
by Kiefer Kuah
Intel Software Solutions Group
Intel® SSE4 is a new set of Single Instruction Multiple Data (SIMD) instructions that will be introduced in the 45nm Next Generation Intel® Core™2 processor family (Penryn) and improve the performance and energy efficiency of a broad range of applications.
This white paper describes how video encoders can utilize Intel SSE4 instructions to achieve 1.6x to 3.8x performance speedups in integer motion vector search, a frequently used motion estimation function.
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