It is speculatedby whom? that Intel's Larrabee (a throughput-optimized many-core accomplishing of the x86 architecture) will be adapted to the role of a PPU; like the Cell, it sits amid the CPU and the GPU in the spectrum of accepted purpose processing against specialized high-performance back-end processing. Intel has accepted that Larrabee's anamnesis architectonics will not use scratchpads like the Cell or Ageia PPU, and will instead be afterpiece to a accepted CPU accumulation hierarchy. However, it will accept extensions to accredit high-throughput accretion (most acceptable a abounding accompaniment of cache-control instructions).
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