graphics coprocessor


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graphics coprocessor

Graphics hardware that performs various 2D and 3D geometry and rendering functions, offloading the main CPU from performing such tasks. Today, these functions are built into most stand-alone graphics cards. See graphics accelerator and graphics card.
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Alongside the CPU are advanced, integrated graphics coprocessors (Intel[R] Iris[TM] Pro and HD Graphics) and key media features such as Intel Quick Sync Video (Figure 1).
The biggest changes in Snow Leopard, Apple says, are under the hood: a move to 64-bit processing for greater memory support, the implementation of two multiprocessing technologies (Grand Central Dispatch and OpenCL) so rewritten software applications can take better advantage of multicore processors and graphics coprocessors for faster performance, and revamped QuickTime video processing and Java processing engines.
The new generation of high-end workstations commonly utilize CPUs based on RISC (reduced instruction set) architecture, speeds of 25MHz and above, math and graphics coprocessors, at least 8MB of RAM, cache memory and a high-speed system bus.