Online computing for realtime reconstruction & analysis

• Niko Neufeld (CERN)

Room: 13/2-005 Beginning with Run2 LHCb is doing a lot of data-processing previously done off-line quasi synchronously with the data-acquisition. The data obtained this way are of such a quality that they can and have been successfully used to directly produce publications from them. I will briefly review the hardware and software infrastructure which has made this possible in Run2 and then talk about the new challenges for Run 3.

From today's HLTs to Streaming DAQs and Online Reconstruction: challenges and limits

• Thorsten Kollegger (GSI - Helmholtzzentrum fur Schwerionenforschung GmbH (DE))

Room: 13/2-005 Over the last 2 decades software triggers (HLTs) have been used more and more extensively in HEP and HENP experiments. Software triggers and online reconstruction will play a crucial role in the LHC LS2 detector upgrades and the FAIR experiments. The challenges and limits encountered in today's ALICE HLT and yesterday's STAR L3 will be briefly reviewed and how they influenced the design of the ALICE O2 system for Run 3.

Panel Discussion

• Thorsten Kollegger (GSI - Helmholtzzentrum fur Schwerionenforschung GmbH (DE))
• Predrag Buncic (CERN)
• Frank Winklmeier (University of Oregon (US))
• Niko Neufeld (CERN)

Room: 13/2-005 Discussing the effect of streaming DAQs to our software and computing landscape