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Clusters of 16/32 bit minicomputers in high energy physics experiments at CERN

✍ Scribed by P. Bahler; A. Bogaerts; C. Eck; M. Ferran; D. Jacobs; A. Lacourt; J. Ogilvie; H. Overas; J.O. Petersen

Publisher: Elsevier Science
Year: 1981
Tongue: English
Weight: 662 KB
Volume: 22
Category: Article
ISSN: 0010-4655
DOI: 10.1016/0010-4655(81)90061-8

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✦ Synopsis

A description is given of multiprocessor on-line systems, based on NORD computers, for large physics experiments at CERN.

In complex experiments the data acquisition and control functions may be performed by different CPUs in a dual 16bit NORD-lOG computer system. Some configurations include a 32-bit NORD-50 processor, allowing large analysis programs to be implemented and executed in the on-line system.

Several examples from currently running CERN physics experiments are given.

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ESOP is a fast 16 bit processor designed at CERN. It derives its speed from hardware parallelism and from microprogramming of the application software. It has been specially developed for the applications of secondary trigger calculation and data reduction in experiments, with interfaces to several