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Computing system capable of parallelizing the operation of multiple graphics processing units (GPUS) supported on a CPU/GPU fusion-type chip and/or multiple GPUS supported on an external graphics card

  • US 20080100629A1
  • Filed: 09/26/2007
  • Published: 05/01/2008
  • Est. Priority Date: 11/19/2003
  • Status: Active Grant
First Claim
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1. A computing system capable of parallelizing the operation of one or more GPUs supported on a hybrid CPU/GPU fusion chip and one or more GPUs supported on external graphics cards, said computing system comprising:

  • CPU memory space for storing one or more graphics-based applications and a graphics library for generating graphics commands and data (GCAD) during the execution of said graphics-based application;

    a CPU/GPU fusion-architecture chip having one or more GPUs, an interconnect network, and a memory controller for controlling access to said CPU memory space;

    an external graphics cards supporting one or more GPUs, and operably connected to said interconnect network by way of a data communication interface;

    wherein said external graphics card is connected to said CPU/GPU fusion-architecture chip by way of a data communication interface;

    a multi-mode parallel graphics rendering subsystem supporting multiple modes of parallel operation selected from the group consisting of object division, image division, and time division, and wherein each mode of parallel operation includes at least three stages, namely, decomposition, distribution and recomposition; and

    a plurality of graphic processing pipelines (GPPLs), implemented using said GPUs, and supporting a parallel graphics rendering process that employs one or more of said object division, image division and/or time division modes of parallel operation in order to execute graphic commands, process graphics data, and render pixel-composited images containing graphics for display on a display device during the run-time of said graphics-based application, and said display device being connectable to said external graphics card.

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