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  1. Technology
July 28, 1987


By CBR Staff Writer

Newly-formed AT&T Pixel Machines in Holmdel, New Jersey is using multiple processors using AT&T’s new DSP 32 signal processing microprocessor to create the PXM 900, claimed to bring supercomputer performance to graphics and image processing. Up to 82 of the floating point processors provide over 800 MFLOPS of peak processing power. Each PXM 900 consists of four functional units: a high-speed parallel interface, a Transformation Pipeline, a parallel array of Pixel Nodes and a video controller, on a standard VME bus. The Pipeline consists of nine Transformation Node CPUs which do geometric operations on incoming data and broadcast it to the Pixel Nodes over a 32-bit broadcast bus. The parallel Pixel Nodes do all the rendering and raster operations, each operating independently and simultaneously on a part of a distributed frame buffer. The PXM takes 16 to 64 Pixel nodes, output from which goes to the video controller via the Pixel Funnel. Prices go from $44,500 to $119,500.

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