9th LHCb Computing Workshop
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-: Infrastructure and operationsConveners: Ben Couturier (CERN), Joel Closier (CERN)
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09:00
Introduction and Core Software news 10mSpeakers: Ben Couturier (CERN), Joel Closier (CERN), Marco Clemencic (CERN)
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09:10
Status of AFS phase-out 20mSpeakers: Ben Couturier (CERN), Joel Closier (CERN), Marco Clemencic (CERN)
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09:30
Compiler and platforms evolution 20m
Discussion on the move to gcc 7 and other compilers
Speakers: Ben Couturier (CERN), Marco Clemencic (CERN) -
09:50
lbinstall: the new LHCb installer 10mSpeakers: Ben Couturier (CERN), Stefan-Gabriel Chitic (CERN)
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10:00
Investigations on the migration to python3 20mSpeaker: Stefan-Gabriel Chitic (CERN)
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10:20
Break 30m
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10:50
A new dashbord for the nightly builds and tests 15mSpeaker: Stefan-Gabriel Chitic (CERN)
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11:05
Evolution of deployment system to CVMFS prod and dev 15mSpeakers: Ben Couturier (CERN), Stefan-Gabriel Chitic (CERN)
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11:20
MIgration of the LHCb documentation to EOS web 20mSpeaker: Marco Clemencic (CERN)
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11:40
Improvements to LHCbPR2 and new integration tests 30mSpeaker: Maciej Pawel Szymanski (University of Chinese Academy of Sciences (CN))
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-: HEP Community InitiativesConvener: Michael David Sokoloff (University of Cincinnati (US))
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14:00
Overview of the CWP Project and Summaray of the Kick-Off Workshop 30m
Discussion of the Community White Paper project, organized by the HEP Software Foundation, and a summary of the first CP workshop, held in San Diego in January.
Speaker: Vladimir Gligorov (Centre National de la Recherche Scientifique (FR)) -
14:30
Simulation Issues for the CWP 15mSpeaker: Gloria Corti (CERN)
- 14:45
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15:00
1st Breakout Session 50m
We will break into small groups to review and edit CWP Google docs.
Speaker: Michael David Sokoloff (University of Cincinnati (US)) -
15:50
Coffee Break 20m
You're on your own
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16:10
Discussions of Breakout Session Conclusions 50m
Each breakout session group will be asked to prepare a 5-minute presentation of what they did, and then we will discuss these commonly.
Speaker: Michael David Sokoloff (University of Cincinnati (US))
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-: Data Processing & SimulationConvener: Marco Cattaneo (CERN)
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09:30
Fast simulation 20mSpeaker: Riccardo Cenci (SNS and INFN-Pisa, Italy)
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09:50
Deployment and validation of Git conditions database 20mSpeaker: Marco Clemencic (CERN)
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10:10
Coffee 20m
- 10:30
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10:50
Stripping status 30m
Status of S24r0p1 (2015 incremental)
Readiness of S29 (2017 prompt)
How can commissioning of a stripping campaign be improved?Speaker: Michael Thomas Alexander (University of Glasgow (GB)) -
11:20
Status of Yandex streaming optimisation 20mSpeaker: Radoslav Neychev (Yandex School of Data Analysis (RU))
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11:40
Discussion on streaming 30m
How can we improve our streaming strategy to optimise usage of disk, turnaround for analysts, restripping, operations
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Streams from the HLT 5mSpeaker: Sascha Stahl (CERN)
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Streams from the Stripping 5mSpeaker: Michael Thomas Alexander (University of Glasgow (GB))
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Discussion 20m
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-: Distributed computingConvener: Federico Stagni (CERN)
- 14:00
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14:10
Working Group productions: what's done so far 20mSpeaker: Vladimir Romanovskiy (Institute for High Energy Physics (RU))
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14:30
Working Group productions: mini tutorial 30mSpeaker: Antonio Falabella (Universita e INFN, Bologna (IT))
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15:00
Working group productions: discussion + Q&A 20m
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15:20
Recent and upcoming developments in LHCbDIRAC 20mSpeaker: Federico Stagni (CERN)
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15:40
Coffee break 20m
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16:00
Recent and upcoming developments for Ganga and LHCb 20mSpeaker: Mark Smith (Imperial College (GB))
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16:20
Distributed computing team: activities, and prospects 20mSpeaker: Philippe Charpentier (CERN)
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-: Analysis preservation IConvener: Sebastian Neubert (Ruprecht-Karls-Universitaet Heidelberg (DE))
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Status of CERN analysis preservation project 30mSpeaker: Tibor Simko (CERN)
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09:30
The RECAST project 25mSpeaker: Lukas Alexander Heinrich (New York University (US))
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09:55
CERN cloud infrastructure 30m
Openstack, VMs, docker on a VM,
Kubernetes etcSpeakers: Jan van Eldik (CERN), Ricardo Brito Da Rocha (CERN) -
10:25
Coffee break 25m
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10:50
LHCb analysis preservation roadmap 30mSpeaker: Sebastian Neubert (Ruprecht-Karls-Universitaet Heidelberg (DE))
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11:20
Discussion session 30m
- Feedback on roadmap document
- How to maintain an AP software stack?
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11:50
Community Whitepaper 10mSpeaker: Michael David Sokoloff (University of Cincinnati (US))
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-: Analysis preservation IIConvener: Sebastian Neubert (Ruprecht-Karls-Universitaet Heidelberg (DE))
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14:00
Analysis pipeline toolkits 30m
General concepts, use cases in LHCb, evaluation procedure
Speaker: Chris Burr (University of Manchester (GB)) -
14:30
Data storage and access 30m
EOS and all that
Speakers: Jakub Moscicki (CERN), Luca Mascetti (CERN), Massimo Lamanna (CERN) - 15:00
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15:20
Coffee break 20m
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15:40
Everware 20m
Interactive documentation in jupyter notebooks
Speaker: Andrey Ustyuzhanin (Yandex School of Data Analysis (RU)) -
16:00
Undergraduate Laboratory Experiment: Measuring Matter Antimatter Asymmetries at the Large Hadron Collider 20m
Example showcasing analysis preservation and open data
Speaker: Chris Parkes (University of Manchester (GB)) -
16:20
Open space: Challenges in AP 1h 10m
We will split into discussion groups:
- Data storage and access
- Containerization and cloud resources
- Reuse of analysis code
- Analysis narrative
- Treasure hunt: forgotten issues
The goal is to define the major unsovled problems where more work is needed.
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17:30
POPPER a protocol for reproducible science (remote) 30mSpeakers: Ivo Jimenez (UC Santa Cruz), Carlos Maltzahn (University of California, Santa Cruz)
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-: Run 3 Upgrade: core software frameworkConvener: Concezio Bozzi (CERN and INFN Ferrara)
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Status of new framework and performance measurements 40mSpeaker: Sebastien Ponce (CERN)
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Performance metrics in PR2 20mSpeakers: Christoph Hasse (CERN / Technische Universitaet Dortmund (DE)), Maciej Pawel Szymanski (University of Chinese Academy of Sciences (CN)), Stefan Roiser (CERN)
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Coffee Break 30m
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11:30
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Discussion with Candidates for Next Physics Coordinator
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-: Run 3 upgrade and developments for 2017 data taking: Status of sub-systemsConvener: Concezio Bozzi (CERN and INFN Ferrara)
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Tracking 15mSpeakers: Agnieszka Dziurda (CERN), Christoph Hasse (CERN / Technische Universitaet Dortmund (DE))
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14:15
RICH 15mSpeaker: Christopher Rob Jones (University of Cambridge (GB))
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CALO -- canceled 15m
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14:45
MUON 15mSpeaker: Marco Santimaria (INFN e Laboratori Nazionali di Frascati (IT))
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-: Run 3 Upgrade: core software: The way ahead
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15:25
Merging master and future, defining a common sequence 25mSpeaker: Sebastien Ponce (CERN)
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15:50
Coffee Break 25m
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-: Reserved for tutorials
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Measuring code performance with valgrind, perf and vtune 45mSpeaker: Monir Hadji (Universite Claude Bernard-Lyon I (FR))
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-: Run 3 upgrade: distributed computingConvener: Concezio Bozzi (CERN and INFN Ferrara)
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HYDRA: a C++ framework for highly efficient computing on massively parallel architectures 20mSpeaker: Dr Antonio Augusto Alves Junior (University of Cincinnati (US))
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09:20
Migrating analysis software to the new framework 20mSpeaker: Eduardo Rodrigues (University of Cincinnati (US))
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09:40
Computing Resources in Run 3 20mSpeaker: Concezio Bozzi (CERN and INFN Ferrara)
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10:00
Distributed computing in Run 3 (following earlier discussion) 30mSpeaker: Philippe Charpentier (CERN)
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10:30
Coffee Break 30m
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11:00
Preparing the TDR 1h
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-: Container & VM technologiesConvener: Andrew McNab (University of Manchester)
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Experience with containers in LHCb services 30mSpeaker: Christophe Haen (CERN)
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15:05
SkyGrid at Yandex 30mSpeaker: Alexander Baranov (Yandex School of Data Analysis (RU))
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15:35
Vac and Vcycle news 30mSpeaker: Andrew McNab (University of Manchester)
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