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ATLAS DataFlow: the Read-Out Subsystem, Results from Trigger and Data-Acquisition System Testbed Studies and from Modeling
In the ATLAS experiment at the LHC, the output of readout hardware specific to each subdetector will be transmitted to buffers, located on custom made PCI cards ("ROBINs"). The data consist of fragments of events accepted by the first-level trigger at a maximum rate of 100 kHz. Groups of f...
| Autores principales: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Lenguaje: | eng |
| Publicado: |
2005
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| Materias: | |
| Acceso en línea: | http://cds.cern.ch/record/844564 |
| _version_ | 1780906751926730752 |
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| author | Vermeulen, J C Abolins, M Alexandrov, I Amorim, A Dos Anjos, A Badescu, E Barros, N Beck, H P Blair, R Burckhart-Chromek, Doris Caprini, M Ciobotaru, M Corso-Radu, A Cranfield, R Crone, G Dawson, J Dobinson, Robert W Dobson, M Drake, G Ermoline, Y Ferrari, R Ferrer, M L Francis, D Gadomski, S Gameiro, S Gorini, B Green, B Gruwé, M Haas, S Haberichter, W N Haeberli, C Hasegawa, Y Hauser, R Hinkelbein, C Hughes-Jones, R E Joos, M Kazarov, A Kieft, G Klose, D Kolos, S Korcyl, K Kordas, K Kotov, V Kugel, A Lankford, A Lehmann, G Le Vine, M J Mapelli, L Martin, B McLaren, R Meirosu, C Mineev, M Misiejuk, A Mornacchi, G Müller, M Murillo, R Nagasaka, Y Petersen, J Pope, B Prigent, D Ryabov, Yu Schlereth, J L Sloper, J E Soloviev, I Spiwoks, R Stancu, S Strong, J Tremblet, L Ünel, G Vandelli, Wainer R Werner, P Wickens, F Wiesmann, M Wu, M Yasu, Y |
| author_facet | Vermeulen, J C Abolins, M Alexandrov, I Amorim, A Dos Anjos, A Badescu, E Barros, N Beck, H P Blair, R Burckhart-Chromek, Doris Caprini, M Ciobotaru, M Corso-Radu, A Cranfield, R Crone, G Dawson, J Dobinson, Robert W Dobson, M Drake, G Ermoline, Y Ferrari, R Ferrer, M L Francis, D Gadomski, S Gameiro, S Gorini, B Green, B Gruwé, M Haas, S Haberichter, W N Haeberli, C Hasegawa, Y Hauser, R Hinkelbein, C Hughes-Jones, R E Joos, M Kazarov, A Kieft, G Klose, D Kolos, S Korcyl, K Kordas, K Kotov, V Kugel, A Lankford, A Lehmann, G Le Vine, M J Mapelli, L Martin, B McLaren, R Meirosu, C Mineev, M Misiejuk, A Mornacchi, G Müller, M Murillo, R Nagasaka, Y Petersen, J Pope, B Prigent, D Ryabov, Yu Schlereth, J L Sloper, J E Soloviev, I Spiwoks, R Stancu, S Strong, J Tremblet, L Ünel, G Vandelli, Wainer R Werner, P Wickens, F Wiesmann, M Wu, M Yasu, Y |
| author_sort | Vermeulen, J C |
| collection | CERN |
| description | In the ATLAS experiment at the LHC, the output of readout hardware specific to each subdetector will be transmitted to buffers, located on custom made PCI cards ("ROBINs"). The data consist of fragments of events accepted by the first-level trigger at a maximum rate of 100 kHz. Groups of four ROBINs will be hosted in about 150 Read-Out Subsystem (ROS) PCs. Event data are forwarded on request via Gigabit Ethernet links and switches to the second-level trigger or to the Event builder. In this paper a discussion of the functionality and real-time properties of the ROS is combined with a presentation of measurement and modelling results for a testbed with a size of about 20% of the final DAQ system. Experimental results on strategies for optimizing the system performance, such as utilization of different network architectures and network transfer protocols, are presented for the testbed, together with extrapolations to the full system. |
| id | cern-844564 |
| institution | Organización Europea para la Investigación Nuclear |
| language | eng |
| publishDate | 2005 |
| record_format | invenio |
| spelling | cern-8445642019-09-30T06:29:59Zhttp://cds.cern.ch/record/844564engVermeulen, J CAbolins, MAlexandrov, IAmorim, ADos Anjos, ABadescu, EBarros, NBeck, H PBlair, RBurckhart-Chromek, DorisCaprini, MCiobotaru, MCorso-Radu, ACranfield, RCrone, GDawson, JDobinson, Robert WDobson, MDrake, GErmoline, YFerrari, RFerrer, M LFrancis, DGadomski, SGameiro, SGorini, BGreen, BGruwé, MHaas, SHaberichter, W NHaeberli, CHasegawa, YHauser, RHinkelbein, CHughes-Jones, R EJoos, MKazarov, AKieft, GKlose, DKolos, SKorcyl, KKordas, KKotov, VKugel, ALankford, ALehmann, GLe Vine, M JMapelli, LMartin, BMcLaren, RMeirosu, CMineev, MMisiejuk, AMornacchi, GMüller, MMurillo, RNagasaka, YPetersen, JPope, BPrigent, DRyabov, YuSchlereth, J LSloper, J ESoloviev, ISpiwoks, RStancu, SStrong, JTremblet, LÜnel, GVandelli, Wainer RWerner, PWickens, FWiesmann, MWu, MYasu, YATLAS DataFlow: the Read-Out Subsystem, Results from Trigger and Data-Acquisition System Testbed Studies and from ModelingDetectors and Experimental TechniquesIn the ATLAS experiment at the LHC, the output of readout hardware specific to each subdetector will be transmitted to buffers, located on custom made PCI cards ("ROBINs"). The data consist of fragments of events accepted by the first-level trigger at a maximum rate of 100 kHz. Groups of four ROBINs will be hosted in about 150 Read-Out Subsystem (ROS) PCs. Event data are forwarded on request via Gigabit Ethernet links and switches to the second-level trigger or to the Event builder. In this paper a discussion of the functionality and real-time properties of the ROS is combined with a presentation of measurement and modelling results for a testbed with a size of about 20% of the final DAQ system. Experimental results on strategies for optimizing the system performance, such as utilization of different network architectures and network transfer protocols, are presented for the testbed, together with extrapolations to the full system.ATL-DAQ-CONF-2005-025ATL-COM-DAQ-2005-021CERN-ATL-COM-DAQ-2005-021oai:cds.cern.ch:8445642005 |
| spellingShingle | Detectors and Experimental Techniques Vermeulen, J C Abolins, M Alexandrov, I Amorim, A Dos Anjos, A Badescu, E Barros, N Beck, H P Blair, R Burckhart-Chromek, Doris Caprini, M Ciobotaru, M Corso-Radu, A Cranfield, R Crone, G Dawson, J Dobinson, Robert W Dobson, M Drake, G Ermoline, Y Ferrari, R Ferrer, M L Francis, D Gadomski, S Gameiro, S Gorini, B Green, B Gruwé, M Haas, S Haberichter, W N Haeberli, C Hasegawa, Y Hauser, R Hinkelbein, C Hughes-Jones, R E Joos, M Kazarov, A Kieft, G Klose, D Kolos, S Korcyl, K Kordas, K Kotov, V Kugel, A Lankford, A Lehmann, G Le Vine, M J Mapelli, L Martin, B McLaren, R Meirosu, C Mineev, M Misiejuk, A Mornacchi, G Müller, M Murillo, R Nagasaka, Y Petersen, J Pope, B Prigent, D Ryabov, Yu Schlereth, J L Sloper, J E Soloviev, I Spiwoks, R Stancu, S Strong, J Tremblet, L Ünel, G Vandelli, Wainer R Werner, P Wickens, F Wiesmann, M Wu, M Yasu, Y ATLAS DataFlow: the Read-Out Subsystem, Results from Trigger and Data-Acquisition System Testbed Studies and from Modeling |
| title | ATLAS DataFlow: the Read-Out Subsystem, Results from Trigger and Data-Acquisition System Testbed Studies and from Modeling |
| title_full | ATLAS DataFlow: the Read-Out Subsystem, Results from Trigger and Data-Acquisition System Testbed Studies and from Modeling |
| title_fullStr | ATLAS DataFlow: the Read-Out Subsystem, Results from Trigger and Data-Acquisition System Testbed Studies and from Modeling |
| title_full_unstemmed | ATLAS DataFlow: the Read-Out Subsystem, Results from Trigger and Data-Acquisition System Testbed Studies and from Modeling |
| title_short | ATLAS DataFlow: the Read-Out Subsystem, Results from Trigger and Data-Acquisition System Testbed Studies and from Modeling |
| title_sort | atlas dataflow: the read-out subsystem, results from trigger and data-acquisition system testbed studies and from modeling |
| topic | Detectors and Experimental Techniques |
| url | http://cds.cern.ch/record/844564 |
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