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Definition

A graphics processing unit (GPU) (also occasionally called visual processing unit or VPU) is

a processor normally used to power the display of images and motions on computer monitors. However, GPUs are equally suited to performing high end computations, such as those conducted on supercomputers, at higher speeds than the traditional CPU, or central processing unit.[1]

Overview

Modern GPUs are very efficient at manipulating and displaying computer graphics, and their highly parallel structure makes them more effective than general-purpose CPUs for a range of complex algorithms. A GPU can sit on top of a video card, or it can be integrated directly into the motherboard. More than 90% of new desktop and notebook computers have integrated GPUs, which are usually far less powerful than those on a video card.

References

  1. "Supercomputer Glossary" (full-text).
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