Joint WLCG & HSF Workshop 2018
Centro Congessi Federico II (Aula Magna; Aula A); Hotel Vesuvio
Napoli, Italy
This joint WLCG and HSF workshop looks forward to the common challenges faced in HEP Software and Computing in the next decade, when the HL-LHC will start and the LBNF facility will become operational. Major programmes of work in software and computing have been identified as a result of the HSF's Community White Paper process, which published its Roadmap in December 2017 and now is the time to start implementing them.
In the workshop we will look to identify prototypes that will clarify the best and most promising lines of work for the next few years. There will be many plenary sessions, to engage the whole community in discussion of the challenges ahead and to find common projects as much as we can. Parallel sessions will allow working groups to make real progress on their goals.
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Registration Centro Congressi Federico II
Centro Congressi Federico II
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09:00
Welcome Coffee (courtesy of DELL/EMC) Hotel Vesuvio
Hotel Vesuvio
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Opening Plenary Session Scarlatti (Hotel Vesuvio)
Scarlatti
Hotel Vesuvio
Conveners: Graeme Stewart (CERN), Ian Collier (STFC-Rutherford Appleton Laboratory (GB))-
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Welcome and IntroductionSpeakers: Alessandra Doria (INFN, Napoli (IT)), Prof. Gaetano Manfredi (Federico II University)
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HEP science goals for the next decadeSpeaker: Elizabeth Sexton-Kennedy (Fermi National Accelerator Lab. (US))
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IHEP Experiments and Software DevelopmentSpeaker: Xiaomei Zhang (Chinese Academy of Sciences (CN))
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CWP RoadmapSpeaker: Eduardo Rodrigues (University of Cincinnati (US))
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US NSF and DOE current activities and plansSpeakers: Peter Elmer (Princeton University (US)), Taylor Childers (Argonne National Laboratory (US))
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Discussion
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12:30
Lunch Break 3rd Floor (Centro Congressi Federico II)
3rd Floor
Centro Congressi Federico II
Registration still open
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Technology Watch Scarlatti (Hotel Vesuvio)
Scarlatti
Hotel Vesuvio
Conveners: Bernd Panzer-Steindel (CERN), Eric Christian Lancon (BNL), Helge Meinhard (CERN)-
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Evolution of technology and marketsSpeaker: Bernd Panzer-Steindel (CERN)
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a) PresentationSpeaker: Bernd Panzer-Steindel (CERN)
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b) Discussion
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GÉANT Data Transfer Node service
Design and users' recommendations
Speaker: Mr Vincenzo Capone (GÉANT) -
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Topics for R&D on technology watchSpeaker: Bernd Panzer-Steindel (CERN)
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a) PresentationSpeaker: Bernd Panzer-Steindel (CERN)
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b) Discussion
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Proposal for technology watch WGSpeaker: Helge Meinhard (CERN)
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a) PresentationSpeaker: Helge Meinhard (CERN)
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b) Discussion
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Sponsor presentation: DELLSpeaker: Martin Hilgeman (Dell)
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15:40
Coffee Hotel Vesuvio; Ground Floor
Hotel Vesuvio; Ground Floor
Napoli, Italy
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HEP Use Cases Scarlatti (Hotel Vesuvio)
Scarlatti
Hotel Vesuvio
Conveners: Benedikt Hegner (CERN), David Lange (Princeton University (US))-
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Introduction
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Challenges for LHCb triggerSpeaker: Concezio Bozzi (CERN and INFN Ferrara)
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Simulation and event reconstruction challenges for DUNESpeaker: Erica Snider (Fermilab)
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Challenges and evolution in event generatorsSpeaker: Taylor Childers (Argonne National Laboratory (US))
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Common Data Management and Data Lakes Scarlatti (Hotel Vesuvio)
Scarlatti
Hotel Vesuvio
Conveners: Maria Girone (CERN), Simone Campana (CERN)-
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IntroductionSpeakers: Maria Girone (CERN), Simone Campana (CERN)
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Highlights of the Rucio workshopSpeakers: Mario Lassnig (CERN), Martin Barisits (CERN)
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Dynamo - Intelligent Data ManagementSpeakers: Benedikt Maier (KIT - Karlsruhe Institute of Technology (DE)), Benedikt Maier (K), Benedikt Maier (Massachusetts Inst. of Technology (US)), Christoph Paus (Massachusetts Inst. of Technology (US))
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Data Lakes R&D: high level goalsSpeaker: Xavier Espinal Curull (CERN)
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A Transfer Ecosystem for the WLCGSpeaker: Brian Paul Bockelman (University of Nebraska Lincoln (US))
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Performance metrics and measurements in the Data Lake modelSpeakers: Jaroslava Schovancova (CERN), Gavin McCance (CERN)
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wrap up
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10:30
Coffee Hotel Vesuvio
Hotel Vesuvio
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Frameworks and Infrastructure Scarlatti (Hotel Vesuvio)
Scarlatti
Hotel Vesuvio
Conveners: Mohammad Al-Turany (CERN), Paolo Calafiura (University of California Berkeley (US))-
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Threads to grids: distributed concurrency in athena/GaudiSpeaker: Dr Charles Leggett (Lawrence Berkeley National Lab (US))
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CLARA: Clas12 Reconstruction and Analysis FrameworkSpeaker: Vardan Gyurjyan (Jefferson Lab)
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ALFA: Alice-Fair message queue based reconstruction and analysis frameworkSpeaker: Thorsten Kollegger (GSI - Helmholtzzentrum fur Schwerionenforschung GmbH (DE))
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12:30
Lunch 3rd Floor (Centro Congressi Federico II)
3rd Floor
Centro Congressi Federico II
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Data Preservation for HEP Room A (Centro Congressi Federico II)
Room A
Centro Congressi Federico II
Post Community White Paper, how can we begin to address the research priorities for preservation? Please see the copy of CWP Preservation chapter linked to the agenda.
Conveners: Jamie Shiers (CERN), Mike Hildreth (University of Notre Dame (US))-
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Certification: Motivation, Benefits and StatusSpeakers: Jamie Shiers (CERN), Mike Hildreth (University of Notre Dame (US)), Mike Hildreth (Department of Physics-College of Science-University of Notre Da)
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Achilles’ heels in LTDP or how do we address risksSpeaker: Gerardo Ganis (CERN)
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Collaboration Across HEP and with Other Disciplines: An EIROForum Sub-Group
Two specific sub-topics:
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Offering LTDP Services to other HEP sites, e.g. "bit preservation" (and more?) for BaBar
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A nascent sub-group of the existing EIROForum IT Working Group
Speaker: Jamie Shiers (CERN) -
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Archiving and Preservation "in the Cloud" - OutlookSpeaker: João Fernandes (CERN)
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CWP Roadmap, Preparing Input to update of European Strategy for Particle Physics (and others elsewhere in the world)Speakers: Mike Hildreth (Department of Physics-College of Science-University of Notre Da), Mike Hildreth (University of Notre Dame (US))
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Training and Careers Aula Magna (Centro Congressi Federico II)
Aula Magna
Centro Congressi Federico II
Conveners: Albert Puig Navarro (Universität Zürich (CH)), Dr Dario Berzano, Dario Menasce (Universita & INFN, Milano-Bicocca (IT)), Sudhir Malik (University of Puerto Rico (PR))-
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Lightning Talk 1 (CMS/ATLAS)Speaker: Sudhir Malik (University of Puerto Rico (PR))
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Lightning Talk 2 (Belle II)Speakers: Dr Martin Ritter (LMU / Cluster Universe), Martin Ritter (LMU Munich), Dr TBD
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Lightning Talk 3 (The CERN School of Computing)Speaker: Sebastian Lopienski (CERN)
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Lightning Talk 4 (Starterkit - LHCb)Speaker: Violaine Bellee (EPFL - Ecole Polytechnique Federale Lausanne (CH))
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Lightning Talk 6 (Data Science @Università di Padova and INFN)Speaker: Marco Zanetti (Universita e INFN, Padova (IT))
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Lightning Talk 9 (VIRGO+LIGO)Speaker: Pia Astone (INFN - National Institute for Nuclear Physics)
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Lightning Talk 10 (Vision for Future Integrated Software Training)Speaker: Peter Elmer (Princeton University (US))
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Round Table - Discussion
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Workload Management Scarlatti (Hotel Vesuvio)
Scarlatti
Hotel Vesuvio
See the Topic Info link for the topics that gave rise to the agenda and that the presenters have been asked to speak to.
Conveners: Frank Wurthwein (UCSD), Torre Wenaus (Brookhaven National Laboratory (US))-
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How HL-LHC challenges inform WM R&D: ATLAS viewSpeakers: Alessandro Di Girolamo (CERN), Davide Costanzo (University of Sheffield (GB)), Johannes Elmsheuser (Brookhaven National Laboratory (US)), Torre Wenaus (Brookhaven National Laboratory (US))
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How HL-LHC challenges inform WM R&D: CMS viewSpeaker: Frank Wuerthwein (UCSD)
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Roadmap towards WM standardization for HL-LHC: ARC perspectiveSpeaker: Andrej Filipcic (Jozef Stefan Institute (SI))
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Roadmap towards WM standardization for HL-LHC: PanDA perspectiveSpeakers: Alexei Klimentov (Brookhaven National Laboratory (US)), Kaushik De (University of Texas at Arlington (US))
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Roadmap towards WM standardization for HL-LHC: Dirac perspectiveSpeaker: Federico Stagni (CERN)
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Roadmap towards WM standardization for HL-LHC: OSG perspectiveSpeaker: Brian Paul Bockelman (University of Nebraska Lincoln (US))
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15:30
Coffee Centro Congressi Federico II & Hotel Vesuvio
Centro Congressi Federico II & Hotel Vesuvio
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Analysis Facilities and Use Cases Scarlatti (Hotel Vesuvio)
Scarlatti
Hotel Vesuvio
Conveners: Eduardo Rodrigues (University of Cincinnati (US)), Oliver Gutsche (Fermi National Accelerator Lab. (US))-
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Overview of CWP paper from WG Data Analysis and InterpretationSpeaker: Mark Neubauer (Univ. Illinois at Urbana Champaign (US))
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Spark-like and query-like analysis systems and toolsSpeaker: Jim Pivarski (Princeton University)
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Real-time analyses - the LHCb caseSpeaker: Rosen Matev (CERN)
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Analyses with SWAN and dockerSpeaker: Pere Mato Vila (CERN)
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Open discussion on future avenues and collaborationSpeakers: Eduardo Rodrigues (University of Cincinnati (US)), Oliver Gutsche (Fermi National Accelerator Lab. (US))
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20:00
Social Dinner Ristorante Le Arcate
Ristorante Le Arcate
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Programming for Concurrency and Co-Processors Scarlatti (Hotel Vesuvio)
Scarlatti
Hotel Vesuvio
Convener: Jim Pivarski (Princeton University)-
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FPGAs as co-processors for reconstructionSpeaker: Christian Faerber (CERN)
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VecCore: Expressing HEP algorithms in terms of explicit SIMD types and operationsSpeaker: Andrei Gheata (CERN)
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Dask: distributed computing for scientific PythonSpeaker: Dr Martin Durant (Anaconda, Inc.)
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Parallelized tracking algorithmsSpeaker: Matti Kortelainen (Fermi National Accelerator Lab. (US))
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Discussion
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10:30
Coffee Hotel Vesuvio
Hotel Vesuvio
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Performance and Cost Modeling Introduction Aula Magna (Centro Congressi Federico II)
Aula Magna
Centro Congressi Federico II
Overview of the Working Group, Mandate, Activities and Status
Mainly for non working group membersConveners: Andrea Sciaba (CERN), Jose Flix Molina (Centro de Investigaciones Energéti cas Medioambientales y Tecno), Markus Schulz (CERN)-
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Overview of the Working Group, Mandate, Activities and Status
Mainly for non working group members. Intended to raise interest and stimulate contributions.
Speaker: Jose Flix Molina (Centro de Investigaciones Energéti cas Medioambientales y Tecno) -
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Most important workloads and how to run them
Reason why these workloads are “important” in matters of cost.
Focus on Run2 experience
Run3 and HL-LHC will be covered in the afternoon session
Summarise what we have, list of workloads
Overview of the experience gained running these workloads (especially from non experiment members view)Speaker: Johannes Elmsheuser (Brookhaven National Laboratory (US)) -
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Metrics and Measurements
The metrics relevant for the workloads.
Status of the measurement of these quantities for the different workloads.
More detailed discussions either in the afternoon session or during dedicated meetingsSpeaker: Gareth Douglas Roy (University of Glasgow (GB)) -
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Cost evaluation process
Mapping the cost model to site relevant costs
Walk through an simple example, motivation etc.Afternoon: Concrete example calculations, where to go from here, discussions
Speaker: Catherine Biscarat (LPSC Grenoble, IN2P3/CNRS)
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Software Development Scarlatti (Hotel Vesuvio)
Scarlatti
Hotel Vesuvio
Conveners: Giulio Eulisse (CERN), Martin Ritter (LMU / Cluster Universe)-
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Project Discussions: Packaging
- Packaging requirements: what are the contentious points and how do we go forward?
- How do we scale to multiple project which have completely different timescales and requirements in terms of software stacks?
Speaker: Graeme Stewart (CERN) -
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Project Discussions: Profilers
- What are the available/used tools?
- What are their shortcomings?
- Possible solutions to these shortcomings
Speaker: Ben Couturier (CERN) -
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Project Discussions: Static Analyzers
- What are the available/used tools?
- What are their shortcomings?
- Possible solutions to these shortcomings
Speaker: Sandro Christian Wenzel (CERN) -
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Project Incubation
- Does the Incubator model of Apache make sense for HSF?
- As a project leaders what would make me move to HSF?
- As a HSF reviewers what are the minimum requirement for incubating a project?
Speaker: Giulio Eulisse (CERN) -
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Becoming "Mainstream"
- What are the OpenSource conferences / workshops we should try to have a more “active” presence?
- How can we get support from experiments, projects, home institutions to have people attend OpenSource events and be part of the OpenSource community?
Speaker: Eduardo Rodrigues (University of Cincinnati (US))
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Visualisation Room A (Centro Congressi Federico II)
Room A
Centro Congressi Federico II
Convener: Riccardo Maria Bianchi (University of Pittsburgh (US))-
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Visualization CWP paper statusSpeakers: Riccardo Maria Bianchi (University of Pittsburgh (US)), Thomas Mc Cauley (University of Notre Dame (US))
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Prject Discussion: Intro.
A summary of what we proposed in the CWP in terms of common development work for the future and how we can proceed:
- potential common base packages
- server-client architecture as a possible solution to circumvent the issues of data access (in-framework tools) and limited/skimmed data (standalone tools)
Speakers: Riccardo Maria Bianchi (University of Pittsburgh (US)), Thomas Mc Cauley (University of Notre Dame (US)) -
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Hybrid Rendering System for Particle Collision Experimental Data Visualization
The main problems in visualizing the particle collision events are the amount of data needed for good visualization and the need for high-performance graphical hardware. To overcome the need of sending the large amount of data to the end-user as well as need for high-performance graphical hardware, we propose the hybrid rendering solution which renders the final image in two parts: (1) highly interactive visualization of basic experiment geometry rendered on client side and (2) high quality render of event details, which is rendered on server side. The final render image is combined from both images with use of different fusing techniques using depth buffer or importance buffer. The proposed approach solves multiple issues: (1) the need for sending a large amount of data to the client for purpose of visualization, (2) the need for high-performance graphical hardware on the client side, (3) allows the use of more complex rendering techniques and (4) improves the interactivity of the visualization.
Speaker bio:
Ciril Bohak obtained his B.Sc., M.Sc., and Ph.D. in Computer and Information Science at the University of Ljubljana, Slovenia. His main research topics are Computer Graphics and Data Visualization. He is in charge of Med3D project - a web-based medical data visualization framework with support for remote collaboration and VR. He is also collaborating on LiDAR/LADAR point cloud data visualization with Kyungpook National University from South Korea.
Speaker: Dr Ciril Bohak (University of Ljubljana, Faculty of Computer and Information Science) -
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New development in ROOT concerning web-based graphics, GUI and geometry displaySpeaker: Sergey Linev
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ATLAS Open Data apps: bringing the interactivity of the website to the desktopSpeaker: Arturo Sanchez Pineda (Abdus Salam Int. Cent. Theor. Phys. (IT))
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VR-based event visualization in Belle II
Development and deployment of a new virtual-reality educational tool for physics students (and for public outreach) in which the user experiences and interacts with the animated timeline of GEANT4-generated electron-positron collision events in the Belle II apparatus at the KEK laboratory in Japan. Lessons learned during the project and future plans.
Speaker: Leo Piilonen (Virginia Tech) -
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Open discussion: "Can we build common Viz Tools?" - Next steps
Open discussion on ideas for next steps towards possible joint projects and collaborations between HEP experiments.
Preparation for the Phase-2 of the CWP process: "After the CWP".
Speakers: Riccardo Maria Bianchi (University of Pittsburgh (US)), Thomas Mc Cauley (University of Notre Dame (US))
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12:30
Lunch 3rd Floor (Centro Congressi Federico II)
3rd Floor
Centro Congressi Federico II
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Performance and Cost Modeling Introduction: Technical Session Aula Magna (Centro Congressi Federico II)
Aula Magna
Centro Congressi Federico II
Overview of the Working Group, Mandate, Activities and Status
Mainly for non working group membersConveners: Andrea Sciaba (CERN), Jose Flix Molina (Centro de Investigaciones Energéti cas Medioambientales y Tecno), Markus Schulz (CERN)-
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Tools and Techniques for Performance/Cost Measurements
A presentation of tools and techniques needed to measure the performance metrics.
15' presentation followed by 15' discussionSpeaker: Andrea Valassi (CERN) -
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Evolution of the critical workloads in Run3 and HL-LHC
Run3 and HL-LHC , What will change?
How can we “fake” in a more realistic way these conditions until we have the code that handles data for these periods?
Will there be an impact of the change of global architecture and what will it be, how can we quantify it?
Starting with a 3-4 slide introduction, then interactive work and discussion.Speaker: David Lange (Princeton University (US)) -
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Cost evaluation process, example calculation
Walk through the example
Discussion on where to go from hereSpeaker: Renaud Vernet (Centre National de la Recherche Scientifique (FR)) -
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Common resource calculation model: Brainstorming/Hackathon
How to estimate resource needs for run periods.
From several Excel sheets to a generic Python code with different configuration parameters by experiment.Starting from a simplistic Python script (needs to be prepared)
Discussion and work on the codeSpeaker: Andrea Sartirana (Centre National de la Recherche Scientifique (FR)) -
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Summary, Follow up
First attempt at giving a high-level summary of the technical session
Speaker: Markus Schulz (CERN)
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Security Scarlatti (Hotel Vesuvio)
Scarlatti
Hotel Vesuvio
Conveners: David Crooks (University of Glasgow (GB)), Romain Wartel (CERN)-
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Trust & Policies
GDPR Implications + Policy Harmonisation
Speaker: David Kelsey (Science and Technology Facilities Council STFC (GB)) -
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Authentication and Authorisation
Authorisation Working Group Status
Speaker: Maarten Litmaath (CERN) -
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Operational Security
- Requirements for operational security in the future
- Incident Response in new infrastructures
- Threat Intelligence
- Technology (inc. SOC WG status)
- Traceability
- IPv6 Security Aspects
Speakers: David Crooks (University of Glasgow (GB)), Vincent Brillault (CERN) -
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Discussion
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Simulation: Improving and Extending Physics Modeling Room A (Centro Congressi Federico II)
Room A
Centro Congressi Federico II
Conveners: Andrea Dotti (SLAC National Accelerator Laboratory (US)), John Harvey (CERN), Victor Daniel Elvira (Fermi National Accelerator Lab. (US))-
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LHCb - Preparation for Run3Speaker: Gloria Corti (CERN)
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ALICE - Preparation for Run3Speaker: Sandro Christian Wenzel (CERN)
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Reducing CPU Consumption of Geant4 Simulation in ATLASSpeaker: John Derek Chapman (University of Cambridge (GB))
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Geant4 R&D programmeSpeaker: Marc Verderi (Centre National de la Recherche Scientifique (FR))
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Electromagnetic and Hadronic Physics requirements for detector simulation in 2020sSpeaker: Dr Farah Hariri (CERN)
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Towards modularization and vectorization of Geant4 physics: a pilot studySpeaker: Tatsumi Koi (SLAC National Accelerator Laboratory (US))
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15:30
Coffee Centro Congressi Federico II & Hotel Vesuvio
Centro Congressi Federico II & Hotel Vesuvio
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Common Data Management and Data Lakes: Technical Session Scarlatti (Hotel Vesuvio)
Scarlatti
Hotel Vesuvio
Conveners: Maria Girone (CERN), Simone Campana (CERN)-
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Distributed Storage and Data Lakes: ideas from EOS expertsSpeaker: Andreas Joachim Peters (CERN)
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Distributed Storage and Data Lakes: ideas from dCache expertsSpeakers: Patrick Fuhrmann (Deutsches Elektronen-Synchrotron (DE)), Mr Tigran Mkrtchyan (DESY)
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Distributed Storage and Data Lakes: The XDC ProjectSpeaker: Oliver Keeble (CERN)
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Using Capability-based authorization for HTTP-based Third Party CopiesSpeaker: Brian Paul Bockelman (University of Nebraska Lincoln (US))
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XRoot and HTTP Third Party CopySpeaker: Andrew Bohdan Hanushevsky (SLAC National Accelerator Laboratory (US))
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caching technologies: XcacheSpeaker: Wei Yang (SLAC National Accelerator Laboratory (US))
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Frameworks Technical Session Aula Magna (Centro Congressi Federico II)
Aula Magna
Centro Congressi Federico II
Convener: Marco Clemencic (CERN)-
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Overview of Serialization TechnologiesSpeaker: Jim Pivarski (Princeton University)
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Programming languages for frameworks: is C++ still the best choice?Speaker: Radu Popescu (CERN)
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Discussion on Frameworks Section of CWPSpeaker: Elizabeth Sexton-Kennedy (Fermi National Accelerator Lab. (US))
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Open Discussion
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Simulation: Faster Simulation Room A (Centro Congressi Federico II)
Room A
Centro Congressi Federico II
Conveners: Andrea Dotti (Università and INFN Pisa), John Harvey (CERN), Victor Daniel Elvira (Fermi National Accelerator Lab. (US))-
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Status and plans for the vectorised particle transport “demonstrator"Speaker: Witold Pokorski (CERN)
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CmsToyGV: Integration tests of GeantV in CMS software frameworkSpeaker: Kevin Pedro (Fermi National Accelerator Lab. (US))
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VecGeom in CMS, Muon g-2, Mu2eSpeaker: Victor Daniel Elvira (Fermi National Accelerator Lab. (US))
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Variance reduction techniques in HEP for Geant4Speaker: Marc Verderi (Centre National de la Recherche Scientifique (FR))
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CaloGAN: a novel physics simulation with Neural Networks trained from Geant4 full-simsSpeakers: Ben Nachman (University of California Berkeley (US)), Luke De Oliveira, Michela Paganini (Yale University (US))
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Use of HPC resources with Geant4 simulationsSpeaker: Andrea Dotti (SLAC National Accelerator Laboratory (US))
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First steps on simulation readout vectorization: LArSoftSpeaker: Erica Snider (Fermilab)
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105
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Closing Plenary Session Scarlatti (Hotel Vesuvio)
Scarlatti
Hotel Vesuvio
Conveners: Elizabeth Sexton-Kennedy (Fermi National Accelerator Lab. (US)), Pere Mato Vila (CERN)- 112
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Summary of Common Data Management and Data LakesSpeaker: Simone Campana (CERN)
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114
Summary of Frameworks and InfrastructureSpeaker: Marco Clemencic (CERN)
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Summary of Programming for Concurrency and Co-ProcessorsSpeaker: Jim Pivarski (Princeton University)
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Summary of SimulationSpeaker: Victor Daniel Elvira (Fermi National Accelerator Lab. (US))
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Summary of Analysis Facilities and Use CasesSpeaker: Eduardo Rodrigues (University of Cincinnati (US))
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118
Summary of Software DevelopmentSpeaker: Martin Ritter (LMU / Cluster Universe)
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10:30
Coffee Hotel Vesuvio
Hotel Vesuvio
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Closing Plenary Session Scarlatti (Hotel Vesuvio)
Scarlatti
Hotel Vesuvio
Conveners: Elizabeth Sexton-Kennedy (Fermi National Accelerator Lab. (US)), Pere Mato Vila (CERN)-
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Summary of VisualizationSpeaker: Riccardo Maria Bianchi (University of Pittsburgh (US))
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Summary of Workload ManagementSpeaker: Torre Wenaus (Brookhaven National Laboratory (US))
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Summary of Performance and Cost ModelingSpeaker: Markus Schulz (CERN)
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Summary of Data Preservation for HEPSpeakers: Dr Bruce Becker (EGI Foundation), Bruce Becker (DAPNIA)
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Summary of Training and CareersSpeaker: Sudhir Malik (University of Puerto Rico (PR))
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Conclusions and way forwardSpeakers: Graeme Stewart (CERN), Ian Bird (CERN)
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Buses for Napoli Capodichino Airport and Rome Fiumicino Airport
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