A read-out buffer prototype for ATLAS high level triggers

Calvet, D.; Gachelin, O.; Huet, M.; Du, Pei; Mandjavidze, I.; Mur, Marieke

doi:10.1109/nssmic.2000.949972

Cited by 2 publications

(1 citation statement)

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“…In addition, a prototype of the Saclay ROBin [12] was integrated into the ATM test bed. A ROB Complex composed of 1, 2, or 3 ROBins was tested on VME, CompactPCI (LynxOS) and PC-Linux platforms.…”

Section: The Rob Complexmentioning

confidence: 99%

The ATLAS Level-2 Trigger Pilot Project

Blair

Dawson

Haberichter

et al. 2002

IEEE Trans. Nucl. Sci.

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Abstract-The Level-2 Trigger Pilot Project of ATLAS, one of the two general purpose LHC experiments, is part of the on-going program to develop the ATLAS high-level triggers (HLT). The Level-2 Trigger will receive events at up to 100 kHz, which has to be reduced to a rate suitable for full event-building of the order of 1 kHz. To reduce the data collection bandwidth and processing power required for the challenging Level-2 task it is planned to use Region of Interest guidance (from Level-1) and sequential processing. The Pilot Project included the construction and use of testbeds of up to 48 processing nodes, development of optimized components and computer simulations of a full system. It has shown how the required performance can be achieved, using largely commodity components and operating systems, and validated an architecture for the Level-2 system. This paper describes the principal achievements and conclusions of this project.

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Section: The Rob Complexmentioning

confidence: 99%