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The base-line DataFlow system of the ATLAS Trigger and DAQ

  • Author(s): Beck, HP
  • Abolins, M
  • Dos Anjos, A
  • Barisonzi, M
  • Beretta, MM
  • Blair, R
  • Bogaerts, JA
  • Boterenbrood, H
  • Botterill, D
  • Ciobotaru, MD
  • Cortezon, EP
  • Cranfield, R
  • Crone, G
  • Dawson, J
  • Di Girolamo, B
  • Dobinson, RW
  • Ermoline, Y
  • Ferrer, ML
  • Francis, D
  • Gadomski, S
  • Gameiro, SM
  • Golonka, P
  • Gorini, B
  • Green, B
  • Gruwe, M
  • Haas, S
  • Haeberli, C
  • Hasegawa, Y
  • Hauser, R
  • Hinkelbein, C
  • Hughes-Jones, R
  • Knezo, E
  • Jansweijer, P
  • Joos, M
  • Kaczmarska, A
  • Kieft, G
  • Korcyl, K
  • Kugel, A
  • Lankford, AJ
  • Lehmann, G
  • LeVine, MJ
  • Liu, W
  • Maeno, T
  • Maia, ML
  • Mapelli, L
  • Martin, B
  • McLaren, R
  • Meirosu, C
  • Misiejuk, AS
  • Mommsen, R
  • Mornacchi, G
  • Müller, M
  • Nagasaka, Y
  • Nakayoshi, K
  • Papadopoulos, I
  • Petersen, J
  • De Matos Lopes Pinto, P
  • Prigent, D
  • Reale, VF
  • Schlereth, J
  • Shimojima, M
  • Spiwoks, R
  • Stancu, SN
  • Strong, J
  • Tremblet, L
  • Vermeulen, J
  • Werner, P
  • Wickens, FJ
  • Yasu, Y
  • Yu, M
  • Zobernig, H
  • Zurek, M
  • et al.
Abstract

The base-line design and implementation of the ATLAS DAQ DataFlow system is described. The main components of the DataFlow system, their interactions, bandwidths, and rates are discussed and performance measurements on a 10% scale prototype for the final ATLAS TDAQ DataFlow system are presented. This prototype is a combination of custom design components and of multithreaded software applications implemented in C++ and running in a Linux environment on commercially available PCs interconnected by a fully switched gigabit Ethernet network.

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