{"id":6316,"date":"2020-06-09T09:40:48","date_gmt":"2020-06-09T07:40:48","guid":{"rendered":"https:\/\/igfae.usc.es\/~igfae-old\/un-superordenador-para-el-cern-con-firma-gallega\/"},"modified":"2021-03-24T15:19:32","modified_gmt":"2021-03-24T13:19:32","slug":"superordenador-para-el-cern-con-firma-gallega-2","status":"publish","type":"post","link":"https:\/\/igfae.usc.es\/~igfae-old\/es\/superordenador-para-el-cern-con-firma-gallega-2\/","title":{"rendered":"Un superordenador para el CERN con firma gallega"},"content":{"rendered":"

La colaboraci\u00f3n LHCb aprueba un prototipo de superordenador m\u00e1s potente y eficiente que ha contado con la participaci\u00f3n del Instituto Gallego de F\u00edsica de Altas Energ\u00edas (IGFAE), centro mixto de la Universidad de Santiago de Compostela (USC) y la Xunta de Galicia. Una vez construido, se utilizar\u00e1 para procesar la enorme cantidad de datos que espera volver a tomar el experimento cuando retome su actividad en 2021<\/b><\/p>\n

El Gran Colisionador de Hadrones (LHC) del CERN y todos sus experimentos est\u00e1n apagados desde finales de 2018 para introducir una serie de mejoras que entrar\u00e1n en funcionamiento en el tercer periodo, denominado Run 3, a partir de 2021. El LHCb, uno de sus experimentos, espera volver a ponerse en marcha y registrar\u00a0 m\u00e1s colisiones\u00a0 por segundo, generando una enorme cantidad de datos que se iban a procesar\u00a0 con\u00a0 una gran cantidad de CPUs. Sin embargo, varios cient\u00edficos del LHCb idearon una alternativa m\u00e1s eficiente y con mayor potencia de c\u00e1lculo<\/strong>, basada en tarjetas gr\u00e1ficas (GPU), como las que se usan en la industria de los videojuegos.<\/span><\/p>\n

La propuesta, liderada por Daniel C\u00e1mpora, del NIKHEF (Amsterdam, Pa\u00edses Bajos), codirigida por Roel Aiij (NIKHEF) y Dorothea Von Bruch (La Sorbona, Par\u00eds),\u00a0 cont\u00f3 con una contribuci\u00f3n importante de un equipo del IGFAE, compuesto por Alexandre Brea, Adri\u00e1n Casais, Xoan Mayo, Diego Mart\u00ednez Santos y Christopher Parkinson (actualmente investigador Marie Curie en Lovaina , B\u00e9lgica). Para demostrar la viabilidad de la propuesta, se construy\u00f3 un prototipo, aportado principalmente entre el equipo de la USC y el de la Universidad de la Sorbona.<\/span><\/p>\n

El \u00e9xito de las pruebas hechas en el prototipo ha llevado a la colaboraci\u00f3n LHCb a aprobar finalmente esta alternativa basada en GPUs, debido a su mayor potencia de c\u00e1lculo y mucho menor coste. Una vez construido, este superordenador \u2014bautizado como Allen, en honor a <\/span>Frances Allen<\/strong>, inform\u00e1tica pionera en el campo de optimizar compiladores\u2014<\/span>\u00a0alcanzar\u00e1 una potencia de 6 PFLOPS, convirti\u00e9ndose en el m\u00e1s potente del CERN,\u00a0 y probablemente entrando en el top 50 mundial.<\/span><\/p>\n

M\u00e1s informaci\u00f3n: <\/span><\/p>\n

\u201cAllen: A high level trigger on GPUs for LHCb\u201d Comput. Softw. Big Sci.<\/span><\/i> 4 (2020) 1, 7.
\n<\/span>DOI: <\/span>10.1007\/s41781-020-00039-7<\/span><\/a><\/p>\n

\u201cUpgrade GPU High Level Trigger\u201d,\u00a0 CERN-LHCC-2020-006<\/span><\/a><\/p>\n

\"\"<\/a>

La foto muestra una peque\u00f1a parte del prototipo de Allen, instalado en el CERN. El prototipo completo monta 10 unidades como la que se muestra aqu\u00ed. Cr\u00e9dito: IGFAE.<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

La colaboraci\u00f3n LHCb aprueba un prototipo de superordenador m\u00e1s potente y eficiente que ha contado con la participaci\u00f3n del Instituto Gallego…<\/p>\n","protected":false},"author":21,"featured_media":7054,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[111,112],"tags":[],"aioseo_notices":[],"yoast_head":"\nUn superordenador para el CERN con firma gallega - IGFAE<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/igfae.usc.es\/~igfae-old\/es\/superordenador-para-el-cern-con-firma-gallega-2\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Un superordenador para el CERN con firma gallega - 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