59397
ACAT Advanced Computing and Analysis Techniques in Physics Research
false
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CERN
alina.gabriela.grigoras@cern.ch
27004
ACAT 2010
We are very happy to invite you to this exceptional session of the ACAT series (13th) that will mark a new turning point in the cross-fertilization of hot physics research and computing technology.
False
Jaipur, India
Jaipur, India
2010-02-22T08:00:00
2010-02-27T18:00:00
2009-05-19T15:13:03
2011-09-13T20:44:35
Europe/Zurich
Laboratoire d'Annecy-le-Vieux de Physique des Particules (LAPP)
denis.perret-gallix@cern.ch
39
false
[["2", "Accomodation and Transport forms"], ["minutes", "Minutes"], ["notes", "Notes"], ["paper", "Paper"], ["poster", "Poster"], ["slides", "Slides"], ["summary", "Summary"]]
2
Parallel Talk
Fast Parallel Ring Recognition Algorithm in the RICH Detector of the CBM Experiment at FAIR
GSI, Darmstadt / JINR, Dubna
s.lebedev@gsi.de
GSI, Darmstadt / JINR, Dubna
s.lebedev@gsi.de
Dr.
GSI, Darmstadt
Dr.
GSI, Darmstadt
Prof.
JINR, Dubna
Jaipur, India
Jaipur, India
2010-02-26T14:25:00
2010-02-26T14:50:00
00:25
The Compressed Baryonic Matter (CBM) experiment at the future FAIR facility at Darmstadt will measure dileptons emitted from the hot and dense phase in heavy-ion collisions. In case of an electron measurement, a high purity of identified electrons is required in order to suppress the background. Electron identification in CBM will be performed by a Ring Imaging Cherenkov (RICH) detector and Transition Radiation Detectors (TRD).
Very fast data reconstruction is extremely important for CBM because of the huge amount of data which has to be handled. In this contribution, the parallel ring recognition algorithm is presented. Modern CPUs have two features, which enable parallel programming. First, the SSE technology allows using the SIMD execution model. Second, multi core CPUs enable to use multithreading. Both features have been implemented in the ring reconstruction of the RICH detector. A speed up factor of 20 has been achieved (from 750 ms/event to 38 ms/event) for an Intel Core 2 Duo processor at 2.13 GHz.
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2013-05-25
2013-05-26