Publication

A multiprocessor multiwindow visualization subsystem

Roger Hersch
1992
Conference Papers

Abstract

A multiprocessor multiwindow parallel visualization subsystem is presented which can be hooked onto parallel processor arrays of high-speed network interfaces. Thanks to its well-balanced triple transputer architecture, the multiwindow display subsystem is capable of simultaneously transferring, clipping and displaying 24bit/pixel colour images at a rate of 18 Mbytes/s. Under optimal conditions it is able to receive, clip and display six full-screen 1024×1024 or twenty-four 512×512 full-colour images/s. Such a display subsystem is one order of magnitude faster than X-window systems running on standard workstations. It satisfies the need for browsing through image databases and for fast visualization of uncompressed image sequences

Official source

https://infoscience.epfl.ch/entities/publication/c0fe2fdf-4680-46c4-b423-db806aa82357

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Roger Hersch
1992
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/c0fe2fdf-4680-46c4-b423-db806aa82357

About this result

Related concepts (27)

Window manager

A window manager is system software that controls the placement and appearance of windows within a windowing system in a graphical user interface. Most window managers are designed to help provide a desktop environment. They work in conjunction with the underlying graphical system that provides required functionality—support for graphics hardware, pointing devices, and a keyboard—and are often written and created using a widget toolkit. Few window managers are designed with a clear distinction between the windowing system and the window manager.

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A massively parallel processor array, also known as a multi purpose processor array (MPPA) is a type of integrated circuit which has a massively parallel array of hundreds or thousands of CPUs and RAM memories. These processors pass work to one another through a reconfigurable interconnect of channels. By harnessing a large number of processors working in parallel, an MPPA chip can accomplish more demanding tasks than conventional chips. MPPAs are based on a software parallel programming model for developing high-performance embedded system applications.

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In computing, indexed color is a technique to manage s' colors in a limited fashion, in order to save computer memory and file storage, while speeding up display refresh and file transfers. It is a form of vector quantization compression. When an image is encoded in this way, color information is not directly carried by the image pixel data, but is stored in a separate piece of data called a color lookup table (CLUT) or palette: an array of color specifications. Every element in the array represents a color, indexed by its position within the array.

Related publications (1)

A multiprocessor multiwindow visualization subsystem

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