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Graphics Processing Units for HEP trigger systems

By R. Ammendola, M. Bauce, A. Biagioni, S. Chiozzi, A. Cotta Ramusino, R. Fantechi, M. Fiorini, S. Giagu, A. Gianoli, G. Lamanna, A. Lonardo, A. Messina, I. Neri, P.S. Paolucci, R. Piandani, L. Pontisso, M. Rescigno, F. Simula, M. Sozzi and P. Vicini


General-purpose computing on GPUS (Graphics Processing Units) is emerging as a new paradigm in several fields of science, although so far applications have been tailored to the specific strengths of such devices as accelerator in offline computation. With the steady reduction of GPU latencies, and the increase in link and memory throughput, the use of such devices for real-time applications in high-energy physics data acquisition and trigger systems is becoming ripe. We will discuss the use of online parallel computing on GPU for synchronous low level trigger, focusing on CERN NA62 experiment trigger system. The use of GPU in higher level trigger system is also briefly considered

Topics: GPU, NA62 RICH, Online selection, Real time, Trigger, Nuclear and High Energy Physics, Instrumentation
Publisher: Elsevier
Year: 2016
DOI identifier: 10.1016/j.nima.2015.11.106
OAI identifier: oai:iris.unife.it:11392/2369377
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