Intel Larrabee architecture

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POSTER: computer news   ||   INTEL LARRABEE ARCHITECTURE	DATE:2008-08-04
The graphical solutions larrabee will be based on several core with the processors architecture pentium (P54C). The quantity of core on one video card larrabee is not determined, since  products series will appear only at the end of 2009 or in the beginning of 2010. Larrabee on its architecture is actually nearer to the central processors than to video chip in the classical understanding. The first larrabee products will have more than ten core on one crystal, each core is very similar to the processors pentium (P54C). For example, the five-stage conveyor, which is much longer in contemporary intel processors  . In this case larrabee core support 64- bit expansions and multicore ( four thread in one core), the cache volume in the first level is increased to 32 + 32 KB (cache of data and commands ), the cache in the second level with 256 KB volume  , and also  ALU  vector- arithmetic and logical unit, capable of executing simultaneously up to 16 32-bit floating point operations   . Larrabee core support successive commands execution  as atom processors  . Larrabee core are connected with the bidirectional bus, whose length is not refined. As memory , larrabee will most likely, use GDDR-5 microcircuits . According to our associate calculations, Intel can relase  within the 45 nm technology larrabee chips with core quantity up to 64 pieces . The quantity of core will proportionally decrease for the more accessible price segments , with  step not less than  eight pieces. The specific architecture character will allow Larrabee not only to accelerate three-dimensional graphic in games ( spported DirectX and OpenGL), but also to accomplish all possible computational tasks, which are executed in parallel . The effectiveness work Of larrabee will depend on programs optimization , but Intel has already many qualitative compilers. Related Products :

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