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Albertsson, K; Andre, J-M; Andronidis, A; Behrens, U; Branson, J; Chaze, O; Cittolin, S; Darlea, G-L; Deldicque, C; Dobson, M; Dupont, A; Erhan, S; Gigi, D; Glege, F; Gomez-Ceballos, G; Hegeman, J; Holzner, A; Jimenez-Estupiñán, R; Masetti, L; Meijers, F; Meschi, E; Mommsen, R K; Morovic, S; Nunez-Barranco-Fernandez, C; O'Dell, V.; Orsini, L; Paus, C; Petrucci, A; Pieri, M; Racz, A; Roberts, P; Sakulin, H; Schwick, C; Stieger, B; Sumorok, K; Veverka, J; Zaza, S; Zejdl, P
Journal of physics. Conference series, 12/2015, Letnik: 664, Številka: 8Journal Article
The data acquisition system (DAQ) of the CMS experiment at the CERN Large Hadron Collider (LHC) assembles events at a rate of 100 kHz, transporting event data at an aggregate throughput of 100GB s to the high-level trigger (HLT) farm. The DAQ system has been redesigned during the LHC shutdown in 2013 14. The new DAQ architecture is based on state-of-the-art network technologies for the event building. For the data concentration, 10 40 Gbps Ethernet technologies are used together with a reduced TCP IP protocol implemented in FPGA for a reliable transport between custom electronics and commercial computing hardware. A 56 Gbps Infiniband FDR CLOS network has been chosen for the event builder. This paper discusses the software design, protocols, and optimizations for exploiting the hardware capabilities. We present performance measurements from small-scale prototypes and from the full-scale production system.
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Dostop do baze podatkov JCR je dovoljen samo uporabnikom iz Slovenije. Vaš trenutni IP-naslov ni na seznamu dovoljenih za dostop, zato je potrebna avtentikacija z ustreznim računom AAI.
Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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