A prototype for the real-time analysis of the Cherenkov Telescope Array

Andrea Bulgarelli; Valentina Fioretti; Andrea Zoli; Alessio Aboudan; Juan José Rodríguez-Vázquez; Gernot Maier; Etienne Lyard; Denis Bastieri; Saverio Lombardi; Gino Tosti; Adriano De Rosa; Sonia Bergamaschi; Matteo Interlandi; Domenico Beneventano; Giovanni Lamanna; Jean Jacquemier; Karl Kosack; Lucio Angelo Antonelli; Catherine Boisson; Jerzy Burkowski; Sara Buson; Alessandro Carosi; Vito Conforti; Jose Luis Contreras; Giovanni De Cesare; Raquel De Los Reyes; Jon Dumm; Phil Evans; Lucy Fortson; Matthias Fuessling; Ricardo Graciani; Fulvio Gianotti; Paola Grandi; Jim Hinton; Brian Humensky; Jürgen Knödlseder; Giuseppe Malaguti; Martino Marisaldi; Nadine Neyroud; Luciano Nicastro; Stefan Ohm; Julian Osborne; Simon Rosen; Alessandro Tacchini; Eleonora Torresi; Vincenzo Testa; Massimo Trifoglio; Amanda Weinstein; CTA Consortium

doi:10.1117/12.2054744

A prototype for the real-time analysis of the Cherenkov Telescope Array

Andrea Bulgarelli, Valentina Fioretti, Andrea Zoli, Alessio Aboudan, Juan José Rodríguez-Vázquez, Gernot Maier, Etienne Lyard, Denis Bastieri, Saverio Lombardi, Gino Tosti, Adriano De Rosa, Sonia Bergamaschi, Matteo Interlandi, Domenico Beneventano, Giovanni Lamanna, Jean Jacquemier, Karl Kosack, Lucio Angelo Antonelli, Catherine Boisson, Jerzy BurkowskiSara Buson, Alessandro Carosi, Vito Conforti, Jose Luis Contreras, Giovanni De Cesare, Raquel De Los Reyes, Jon Dumm, Phil Evans, Lucy Fortson, Matthias Fuessling, Ricardo Graciani, Fulvio Gianotti, Paola Grandi, Jim Hinton, Brian Humensky, Jürgen Knödlseder, Giuseppe Malaguti, Martino Marisaldi, Nadine Neyroud, Luciano Nicastro, Stefan Ohm, Julian Osborne, Simon Rosen, Alessandro Tacchini, Eleonora Torresi, Vincenzo Testa, Massimo Trifoglio, Amanda Weinstein, CTA Consortium

Physics and Astronomy (Twin Cities)

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

4 Scopus citations

Abstract

The Cherenkov Telescope Array (CTA) observatory will be one of the biggest ground-based very-high-energy (VHE) γ3- ray observatory. CTA will achieve a factor of 10 improvement in sensitivity from some tens of GeV to beyond 100 TeV with respect to existing telescopes. The CTA observatory will be capable of issuing alerts on variable and transient sources to maximize the scientific return. To capture these phenomena during their evolution and for effective communication to the astrophysical community, speed is crucial. This requires a system with a reliable automated trigger that can issue alerts immediately upon detection of γ3-ray flares. This will be accomplished by means of a Real-Time Analysis (RTA) pipeline, a key system of the CTA observatory. The latency and sensitivity requirements of the alarm system impose a challenge because of the anticipated large data rate, between 0.5 and 8 GB/s. As a consequence, substantial efforts toward the optimization of highthroughput computing service are envisioned. For these reasons our working group has started the development of a prototype of the Real-Time Analysis pipeline. The main goals of this prototype are to test: (i) a set of frameworks and design patterns useful for the inter-process communication between software processes running on memory; (ii) the sustainability of the foreseen CTA data rate in terms of data throughput with different hardware (e.g. accelerators) and software configurations, (iii) the reuse of nonreal- time algorithms or how much we need to simplify algorithms to be compliant with CTA requirements, (iv) interface issues between the different CTA systems. In this work we focus on goals (i) and (ii).

Original language	English (US)
Title of host publication	Ground-Based and Airborne Telescopes V
Editors	Larry M. Stepp, Roberto Gilmozzi, Helen J. Hall
Publisher	SPIE
ISBN (Electronic)	9780819496133
DOIs	https://doi.org/10.1117/12.2054744
State	Published - 2014
Event	Ground-Based and Airborne Telescopes V - Montreal, Canada Duration: Jun 22 2014 → Jun 27 2014

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	9145
ISSN (Print)	0277-786X
ISSN (Electronic)	1996-756X

Other

Other	Ground-Based and Airborne Telescopes V
Country/Territory	Canada
City	Montreal
Period	6/22/14 → 6/27/14

Bibliographical note

Publisher Copyright:
© 2014 SPIE.

Keywords

Cherenkov Telescope Array
Cherenkov telescopes
GPU
Intel/Phi
VHE gamma-ray astronomy
gamma-ray flares
real-time Analysis
science alert system

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Bulgarelli, A., Fioretti, V., Zoli, A., Aboudan, A., Rodríguez-Vázquez, J. J., Maier, G., Lyard, E., Bastieri, D., Lombardi, S., Tosti, G., De Rosa, A., Bergamaschi, S., Interlandi, M., Beneventano, D., Lamanna, G., Jacquemier, J., Kosack, K., Antonelli, L. A., Boisson, C., ... CTA Consortium (2014). A prototype for the real-time analysis of the Cherenkov Telescope Array. In L. M. Stepp, R. Gilmozzi, & H. J. Hall (Eds.), Ground-Based and Airborne Telescopes V Article 91452X (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 9145). SPIE. https://doi.org/10.1117/12.2054744

A prototype for the real-time analysis of the Cherenkov Telescope Array. / Bulgarelli, Andrea; Fioretti, Valentina; Zoli, Andrea et al.
Ground-Based and Airborne Telescopes V. ed. / Larry M. Stepp; Roberto Gilmozzi; Helen J. Hall. SPIE, 2014. 91452X (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 9145).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Bulgarelli, A, Fioretti, V, Zoli, A, Aboudan, A, Rodríguez-Vázquez, JJ, Maier, G, Lyard, E, Bastieri, D, Lombardi, S, Tosti, G, De Rosa, A, Bergamaschi, S, Interlandi, M, Beneventano, D, Lamanna, G, Jacquemier, J, Kosack, K, Antonelli, LA, Boisson, C, Burkowski, J, Buson, S, Carosi, A, Conforti, V, Contreras, JL, De Cesare, G, De Los Reyes, R, Dumm, J, Evans, P, Fortson, L, Fuessling, M, Graciani, R, Gianotti, F, Grandi, P, Hinton, J, Humensky, B, Knödlseder, J, Malaguti, G, Marisaldi, M, Neyroud, N, Nicastro, L, Ohm, S, Osborne, J, Rosen, S, Tacchini, A, Torresi, E, Testa, V, Trifoglio, M, Weinstein, A & CTA Consortium 2014, A prototype for the real-time analysis of the Cherenkov Telescope Array. in LM Stepp, R Gilmozzi & HJ Hall (eds), Ground-Based and Airborne Telescopes V., 91452X, Proceedings of SPIE - The International Society for Optical Engineering, vol. 9145, SPIE, Ground-Based and Airborne Telescopes V, Montreal, Canada, 6/22/14. https://doi.org/10.1117/12.2054744

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abstract = "The Cherenkov Telescope Array (CTA) observatory will be one of the biggest ground-based very-high-energy (VHE) γ3- ray observatory. CTA will achieve a factor of 10 improvement in sensitivity from some tens of GeV to beyond 100 TeV with respect to existing telescopes. The CTA observatory will be capable of issuing alerts on variable and transient sources to maximize the scientific return. To capture these phenomena during their evolution and for effective communication to the astrophysical community, speed is crucial. This requires a system with a reliable automated trigger that can issue alerts immediately upon detection of γ3-ray flares. This will be accomplished by means of a Real-Time Analysis (RTA) pipeline, a key system of the CTA observatory. The latency and sensitivity requirements of the alarm system impose a challenge because of the anticipated large data rate, between 0.5 and 8 GB/s. As a consequence, substantial efforts toward the optimization of highthroughput computing service are envisioned. For these reasons our working group has started the development of a prototype of the Real-Time Analysis pipeline. The main goals of this prototype are to test: (i) a set of frameworks and design patterns useful for the inter-process communication between software processes running on memory; (ii) the sustainability of the foreseen CTA data rate in terms of data throughput with different hardware (e.g. accelerators) and software configurations, (iii) the reuse of nonreal- time algorithms or how much we need to simplify algorithms to be compliant with CTA requirements, (iv) interface issues between the different CTA systems. In this work we focus on goals (i) and (ii).",

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A prototype for the real-time analysis of the Cherenkov Telescope Array

Abstract

Publication series

Other

Bibliographical note

Keywords

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