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Glossary – HP Scalable Visualization Array Software User Manual

Page 43

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Glossary

Administrative Network

Connects all nodes in the cluster. In an HP XC compute
cluster, this consists of two branches: the Administrative
Network and the Console Network. This private local
Ethernet network runs TCP/IP. The Administrative Network
is Gigabit Ethernet (GigE); the Console Network is 10/100
BaseT. Because the visualization nodes do not support
console functions, visualization nodes are not connected
to a console branch.

bounded configuration

An SVA configuration that contains only visualization nodes
and is limited in size to one to three racks. The bounded
configuration serves as a standalone visualization cluster.
It can be connected to a larger HP XC cluster via external
GigE connections.

Chromium

Chromium is an open source system for interactive
rendering on clusters of graphics workstations. Various
parallel rendering techniques such as sort-first and sort-last
may be implemented with Chromium. Furthermore,
Chromium allows filtering and manipulation of OpenGL
command streams for non-invasive rendering algorithms.
Chromium is a flexible framework for scalable real-time
rendering on clusters of workstations, derived from the
Stanford WireGL project code base.

compute node

Standard node in an HP XC cluster to be used in parallel
by applications.

Configuration Data Files

Configuration Data Files provide specific information about
the system configuration of an SVA. File details are mainly
of interest to the system administrator who manages and
configures the cluster. All visualization sessions that you
initiate to run your application depend on input from the
Configuration Data Files. There are three such files: Site
Configuration File, User Configuration File, and Job
Settings File.

display node

Display nodes are standard Linux workstations containing
graphics cards. They transfer image output to the display
devices and can synchronize multi-tile displays. The final
output of a visualization application is to display a
complete image that is the result of the parallel rendering
that takes place during an application job. To make this
possible, a display node must contain a graphics card
connected to a display device. The display can show
images integrated with the application user interface, or
full screen images. The output can be a complete display
or one tile of an aggregate display.

display block

The tile output from a single display node, including the
relative orientation of the tiles in the case of multi-tile output
generated by two ports on a single graphics card or two
cards.

Display Surface

A Display Surface is a named assemblage of one or more
display nodes, their associated display devices, including
the physical orientation of the display devices relative to
one another. A Display Surface is made up of the output
of display nodes, that is,

display blocks.

Display Surface Configuration Tool

Defines the arrangement of display blocks that make up
a Display Surface, including the relative spatial

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