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000642751 1001_ $$0P:(DE-HGF)0$$aCarceller, Juan Miguel$$b0$$eCorresponding author
000642751 1112_ $$a27th International Conference on Computing in High Energy and Nuclear Physics (CHEP 2024)$$cKrakow$$d2024-10-19 - 2024-10-25$$gCHEP2024$$wPoland
000642751 245__ $$aReconstruction in Key4hep using Gaudi
000642751 260__ $$aLes Ulis$$bEDP Sciences$$c2025
000642751 300__ $$a8
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000642751 520__ $$aKey4hep, a software framework and stack for future accelerators, integrates all the steps in the typical offline pipeline: generation, simulation, reconstruction and analysis. The different components of Key4hep use a common event data model, called EDM4hep. For reconstruction, Key4hep leverages Gaudi, a proven framework already in use by several experiments at the LHC, to orchestrate configuration and execution of reconstruction algorithms.In this contribution, a brief overview of Gaudi is given. The specific developments built to make Gaudi work seamlessly with EDM4hep (and therefore in Key4hep) are explained, as well as other improvements requested by the Key4hep community. The list of developments includes a new I/O service to run algorithms that read or write EDM4hep files in multithreading in a threadsafe way and a possibility to easily switch the EDM4hep I/O to the new ROOT RNTuple format for reading or writing. We show that both native (algorithms that use EDM4hep as input and output) and non-native algorithms from the ILC community can run together in Key4hep, picking up on knowledge and software developed over many years. A few examples of algorithms that have been created or ported to Key4hep recently are given, featuring the usage of Key4hep-specific features.
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000642751 536__ $$0G:(EU-Grant)101004761$$aAIDAinnova - Advancement and Innovation for Detectors at Accelerators (101004761)$$c101004761$$fH2020-INFRAINNOV-2020-2$$x1
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000642751 693__ $$0EXP:(DE-H253)FCC-20190101$$5EXP:(DE-H253)FCC-20190101$$eFuture Circular Collider$$x0
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000642751 7001_ $$aFang, Wenxing$$b1
000642751 7001_ $$aFila, Mateusz$$b2
000642751 7001_ $$aFrancois, Brieuc$$b3
000642751 7001_ $$0P:(DE-H253)PIP1002530$$aGaede, Frank-Dieter$$b4$$udesy
000642751 7001_ $$aGanis, Gerardo$$b5
000642751 7001_ $$aHegner, Benedikt$$b6
000642751 7001_ $$aHuang, Xingtao$$b7
000642751 7001_ $$aKo, Sang Hyun$$b8
000642751 7001_ $$aLi, Weidong$$b9
000642751 7001_ $$aLi, Teng$$b10
000642751 7001_ $$aLin, Tao$$b11
000642751 7001_ $$0P:(DE-H253)PIP1093201$$aMadlener, Thomas$$b12$$udesy
000642751 7001_ $$aReichenbach, Leonhard$$b13
000642751 7001_ $$aSailer, André$$b14
000642751 7001_ $$aSasikumar, Swathi$$b15
000642751 7001_ $$aSmiesko, Juraj$$b16
000642751 7001_ $$aStewart, Graeme A.$$b17
000642751 7001_ $$aTolosa-Delgado, Álvaro$$b18
000642751 7001_ $$aZhang, Xiaomei$$b19
000642751 7001_ $$aZou, Jiaheng$$b20
000642751 773__ $$0PERI:(DE-600)2595425-8$$a10.1051/epjconf/202533701145$$gVol. 337, p. 01145 -$$p01145 $$tThe European physical journal / Web of Conferences$$v337$$x2100-014X$$y2025
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