Programmable active memories in real-time tasks: implementing data-driven triggers for LHC experiments


Belosloudtsev, D. A. ; Bertin, P. Y. ; Bock, Rudolf K. ; Boucard, Philippe ; Dörsing, Volker ; Kammel, Peter ; Khabarov, S. V. ; Klefenz, Frank ; Krischer, Werner ; Kugel, Andreas ; Männer, Reinhard ; Noffz, Klaus-Henning ; Moll, Laurent ; Vuillemin, Jean ; Lundheim, Lars ; Zoz, Ralf


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URL: https://ub-madoc.bib.uni-mannheim.de/808
URN: urn:nbn:de:bsz:180-madoc-8081
Document Type: Working paper
Year of publication: 1995
Publication language: English
Institution: School of Business Informatics and Mathematics > Sonstige - Fakultät für Mathematik und Informatik
MADOC publication series: Veröffentlichungen der Fakultät für Mathematik und Informatik > Institut für Informatik > Technical Reports
Subject: 004 Computer science, internet
Subject headings (SWD): LHC , Datenanalyse , Algorithmus
Abstract: The future Large Hadron Collider (LHC), to be built at CERN, presents among other technological challenges a formidable problem of real-time data analysis. At a primary event rate of 40 MHz, a multi-stage trigger system has to analyze data to decide which is the fraction of events that should be preserved on permanent storage for further analysis. We report on implementations of local algorithms for feature extraction as part of triggering, using the detectors of the proposed ATLAS experiment as a model. The algorithms were implemented for a decision frequency of 100 kHz, on different data-driven programmable devices based on structures of field- programmable gate arrays and memories. The implementations were demonstrated at full speed with emulated input, and were also integrated into a prototype detector running in a test beam at CERN, in June 1994.
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Belosloudtsev, D. A. ; Bertin, P. Y. ; Bock, Rudolf K. ; Boucard, Philippe ; Dörsing, Volker ; Kammel, Peter ; Khabarov, S. V. ; Klefenz, Frank ; Krischer, Werner ; Kugel, Andreas ; Männer, Reinhard ; Noffz, Klaus-Henning ; Moll, Laurent ; Vuillemin, Jean ; Lundheim, Lars ; Zoz, Ralf (1995) Programmable active memories in real-time tasks: implementing data-driven triggers for LHC experiments. Open Access [Working paper]
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