| Paper |
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| S08NC10 |
Network Performance for Graphical Control Systems |
326 |
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- P.N. Clout, M. Geib, R. Westervelt
VISTA, Los Alamos, NM, USA
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Vsystem is a toolbox for building graphically-based control systems. The real-time database component, Vaccess, includes all the networking support necessary to build multi-computer control systems. Vaccess has two modes of database access, synchronous and asynchronous. Vdraw is another component of Vsystem that allows developers and users to develop control screens and windows by drawing rather than programming. Based on Xwindows, Vsystem provides the possibility of running Vdraw either on the workstation with the graphics or on the computer with the database. We have made some measurements on the cpu loading, elapsed time and the network loading to give some guidance in system configuration performance. It will be seen that asynchronous network access gives large performance increases and that the network database change notification protocol can be either more or less efficient than the X-window network protocol, depending on the graphical representation of the data.
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| DOI • |
reference for this paper
※ doi:10.18429/JACoW-ICALEPCS1991-S08NC10
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| About • |
Received ※ 11 November 1991 — Accepted ※ 20 November 1991 — Issued ※ 04 December 1992 |
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| Cite • |
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