Integrated upstream parasitic event building architecture for BTeV level 1 pixel trigger system

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Contemporary event building approaches use data switches, either homemade or commercial off-the-shelf ones, to merge data from different channels and distribute them among processor nodes. However, in many trigger and DAQ systems, the merging and distributing functions can often be performed in pre-processing stages. By carefully integrating these functions into the upstream pre-processing stages, the events can be built without dedicated switches. In addition to the cost reducing, extra benefits are gain when the event is built early upstream. In this document, an example of the integrated upstream parasitic event building architecture that has been studied for the BTeV level ... continued below

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6 pages

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Wu, Jin-Yuan; Wang, M.; Gottschalk, E.; Christian, D.; Li, X.; Shi, Z. et al. March 1, 2006.

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Contemporary event building approaches use data switches, either homemade or commercial off-the-shelf ones, to merge data from different channels and distribute them among processor nodes. However, in many trigger and DAQ systems, the merging and distributing functions can often be performed in pre-processing stages. By carefully integrating these functions into the upstream pre-processing stages, the events can be built without dedicated switches. In addition to the cost reducing, extra benefits are gain when the event is built early upstream. In this document, an example of the integrated upstream parasitic event building architecture that has been studied for the BTeV level 1 pixel trigger system is described. Several design considerations that experimentalists of other projects might be interested in are also discussed.

Physical Description

6 pages

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  • Journal Name: IEEE Trans.Nucl.Sci.53:1039-1044,2006; Conference: Presented at 14th IEEE - NPSS Real Time Conference 2005 (RT2005), Stockholm, Sweden, 4-10 Jun 2005

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  • Report No.: FERMILAB-PUB-06-064-E
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 891080
  • Archival Resource Key: ark:/67531/metadc882501

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  • March 1, 2006

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  • Sept. 21, 2016, 2:29 a.m.

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  • July 26, 2017, 11:31 a.m.

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Wu, Jin-Yuan; Wang, M.; Gottschalk, E.; Christian, D.; Li, X.; Shi, Z. et al. Integrated upstream parasitic event building architecture for BTeV level 1 pixel trigger system, article, March 1, 2006; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc882501/: accessed June 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.