Based on the the existing Core architecture, Haswell promises numerous improvements over its predecessors. The most interesting of these, and sadly invisible in the leaked picture, is HNI: Haswell New Instructions.
Designed to extend the existing instruction set available in Ivy Bridge, HNI includes Advanced Vector Extensions (AVX) 2 with support for SIMD (Single Instruction, Multiple Data) operations on 256-bit integer data types, bit manipulation instructions for improved handling of variable bitstreams, cryptography, compression and large number arithmetic, gather instructions for vectorising codes with non-adjacent data elements, any-to-any permutes with support for DWORD and QWORD granularity permutes across an entire 256-bit register, vector-vector shifts and floating-point multiply accumulate functionality for boosted floating point performance.
Intel Haswell spyshot hits the web - More news at DV Hardware
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