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LHCb Web>LHCbComputing>LHCbComputingUpgrade>LHCbComputingUpgradeUSPGPlanning>T_And_A (revision 6) Since contribution is on volunteer basis people included here, are the people who expressed willing and/or have been working in the related topics.
WORK IN PROGRESS
-- AgnieszkaDziurda - 2018-03-21
Contents:
- 4.1 : Tracking
- 4.1.1a : HLT1: VELO tracking - CPU
- 4.1.1b : HLT1: VELO tracking - GPU
- 4.1.1c : HLT1: VELO tracking - Machine learning
- 4.1.1d : HLT1: VELO tracking - VPFiltering
- 4.1.2 : HLT1: PV reconstruction
- 4.1.3 : HLT1: VELO-UT tracking
- 4.1.4 : HLT1: Forward tracking
- 4.1.5a : HLT1: Kalman Filtering - Parametrized Kalman
- 4.1.5b : HLT1: Kalman Filtering - Cholesky factorization
- 4.1.5c : HLT1: Kalman Filtering - Weighted formalism
- 4.1.5d : HLT1: Kalman Filtering - TrackVectorFitter
- 4.1.6 : HLT2: Forward tracking
- 4.1.7 : HLT2: Matching
- 4.1.8 : HLT2: Downstream
- 4.1.9 : HLT2: Seeding
- 4.1.10 : HLT2: Ghost Probabibility
- 4.1.11 : Benchmarking
- 4.2 : Alignment
4.1 : Tracking
4.1.1a : HLT1: VELO tracking - CPU
| Lead group | |
|---|---|
| Participating groups | VELO detector group, LPHNE, CERN, EPFL, Dortmund |
| Description | Fit to HLT1 time budget with the best possible physics performance |
| Required FTE | |
| Available FTE | |
| Deadline | end of 2018 |
| Dependencies | VELO clustering/sorting, so far the main approach i.e. most effort put in |
| People currently involved | Renato Quagliani, Sebastien Ponce, Michel De Cian, Christoph Hasse, detector experts |
| New effort required? | |
| Link to documentation |
4.1.1b : HLT1: VELO tracking - GPU
| Lead group | |
|---|---|
| Participating groups | LPHNE, Universidad de Sevilla, NIKHEF, CERN |
| Description | the VELO reconstruction for GPU |
| Required FTE | |
| Available FTE | |
| Deadline | first preliminary results in summer 2018 |
| Dependencies | alternative effort |
| People currently involved | Daniel Campora, Dorothea Vom Bruch, Florian Reiss, Roel Aaij, Gerhard Raven at al. |
| New effort required? | depends on the preliminary results |
| Link to documentation |
4.1.1c : HLT1: VELO tracking - Machine learning
| Lead group | |
|---|---|
| Participating groups | LPHNE |
| Description | try to use machine learning techniques for the VELO reconstruction |
| Required FTE | |
| Available FTE | |
| Deadline | first preliminary results by the end of 2018 |
| Dependencies | alternative effort |
| People currently involved | Da Yu Tou |
| New effort required? | depends on the preliminary results |
| Link to documentation | https://indico.cern.ch/event/691551/contributions/2927571/attachments/1617602/2571597/Machine_Learning_for_Velo_tracking.pdf |
4.1.1d : HLT1: VELO tracking - VPFiltering
| Lead group | |
|---|---|
| Participating groups | Dortmund, CERN |
| Description | try to use machine learning techniques for the VELO reconstruction |
| Required FTE | |
| Available FTE | |
| Deadline | 2018 |
| Dependencies | alternative effort |
| People currently involved | Christoph Hasse, Ben Couturier |
| New effort required? | No |
| Link to documentation |
4.1.2 : HLT1: PV reconstruction
| Lead group | |
|---|---|
| Participating groups | IFJ |
| Description | a) performance optimization, b) fitting in HLT1 time budget. |
| Required FTE | |
| Available FTE | |
| Deadline | end of 2018 |
| Dependencies | main effort, input Kalman Filtered VELO tracks |
| People currently involved | Agnieszka Dziurda |
| New effort required? | a student would be nice |
| Link to documentation | https://twiki.cern.ch/twiki/bin/view/LHCb/LHCbPVFitting |
4.1.3 : HLT1: VELO-UT tracking
| Lead group | |
|---|---|
| Participating groups | UT detector group, so far: EPFL, LPHNE, CERN, Dortmund, IFJ, |
| Description | a) performance optimization, b) fitting in HLT1 time budget. |
| Required FTE | |
| Available FTE | |
| Deadline | preliminary results end of 2018 |
| Dependencies | main effort, UT clustering/sorting |
| People currently involved | so far: Renato Quagliani, Sebastien Ponce, Michel De Cian, Christoph Hasse, possible: IFJ-AGH group (to be clarified with Tomasz Skwarnicki (UT software manager)) |
| New effort required? | No |
| Link to documentation |
4.1.4 : HLT1: Forward tracking
| Lead group | |
|---|---|
| Participating groups | SciFi detector group, Heidelberg, CERN, EPFL |
| Description | a) performance optimization, b) fitting in HLT1 time budget. |
| Required FTE | |
| Available FTE | |
| Deadline | preliminary results end of 2018 |
| Dependencies | main effort, SciFi clustering, VELO-UT or VELO tracks, PV (for IP cut). |
| People currently involved | Michel De Cian, Sascha Stahl, new PhD students |
| New effort required? | should be enough |
| Link to documentation |
4.1.5a : HLT1: Kalman Filtering - Parametrized Kalman
| Lead group | |
|---|---|
| Participating groups | Heidelberg, LPHNE, EPFL |
| Description | Implementation of the parametrisations for the effect of material and the propagation through the magnetic field |
| Required FTE | |
| Available FTE | |
| Deadline | preliminary results end of 2018 |
| Dependencies | material description, geometry of the detector (presence of the detectors), |
| People currently involved | Simon Stemmle, Michel De Cian, Pierre Billoir |
| New effort required? | No |
| Link to documentation | latest presentation: https://indico.cern.ch/event/680416/contributions/2787540/attachments/1559666/2454743/ParameterizedKalman_161117.pdf documentation in progress https://its.cern.ch/jira/projects/LHCBTRACK/issues/LHCBTRACK-12 |
4.1.5b : HLT1: Kalman Filtering - Cholesky factorization
| Lead group | |
|---|---|
| Participating groups | CERN |
| Description | Vectorization of Cholesky factorization |
| Required FTE | |
| Available FTE | |
| Deadline | |
| Dependencies | Florian is a part of LBC |
| People currently involved | Florian Lemaitre |
| New effort required? | No |
| Link to documentation | https://its.cern.ch/jira/projects/LHCBTRACK/issues/LHCBTRACK-12 |
4.1.5c : HLT1: Kalman Filtering - Weighted formalism
| Lead group | |
|---|---|
| Participating groups | LPHNE, University Carlos III (CERN) |
| Description | Weighted formalism (see JIRA) |
| Required FTE | |
| Available FTE | |
| Deadline | |
| Dependencies | Placido is a part of LBC |
| People currently involved | Pierre Billoir (idea), Placido Declara (implementation) |
| New effort required? | |
| Link to documentation | https://twiki.cern.ch/twiki/bin/view/LHCbInternal/ParametrizedExtrapolationMagneticField https://its.cern.ch/jira/browse/LHCBTRACK-10 |
4.1.5d : HLT1: Kalman Filtering - TrackVectorFitter
| Lead group | |
|---|---|
| Participating groups | LPHNE, University Carlos III, Universidad de Sevilla, CERN |
| Description | Vectorization of the TrackMasterFitter |
| Required FTE | |
| Available FTE | |
| Deadline | preliminary results already done, more optimizations to come |
| Dependencies | part of LBC, need to be able to run in Moore |
| People currently involved | Daniel Hugo Campora Perez, Laura Promberger, Placido Fernandez Declara, Pierre Billoir |
| New effort required? | No |
| Link to documentation | https://its.cern.ch/jira/projects/LHCBTRACK/issues/LHCBTRACK-12 |
4.1.6 : HLT2: Forward tracking
| Lead group | |
|---|---|
| Participating groups | Heidelberg, CERN, EPFL |
| Description | a) performance optimization, b) fitting in HLT2 time budget |
| Required FTE | |
| Available FTE | |
| Deadline | 2019 |
| Dependencies | main effort, SciFi clustering, VELO tracks, PV (for IP cut). |
| People currently involved | Michel De Cian, Sascha Stahl, new PhD students |
| New effort required? | No |
| Link to documentation |
4.1.7 : HLT2: Matching
| Lead group | |
|---|---|
| Participating groups | NIKHEF, EPFL |
| Description | a) reoptimization of the physics performance according to the latest SciFi clustering, b) fitting in HLT2 time budget |
| Required FTE | |
| Available FTE | |
| Deadline | Lower priority -> 2019 |
| Dependencies | main effort, first Seedings needs to be reoptimized, new MC production needed, in general: VELO and T tracks. |
| People currently involved | Sevda Esen, Michel De Cian |
| New effort required? | No |
| Link to documentation | https://cds.cern.ch/record/2238266?ln=en |
4.1.8 : HLT2: Downstream
| Lead group | |
|---|---|
| Participating groups | AGH |
| Description | a) reoptimization of the physics performance according to the latest detectors description, b) implementation of new machine learning approach b) fitting in HLT2 time budge |
| Required FTE | |
| Available FTE | |
| Deadline | Lower priority -> 2019 |
| Dependencies | main effort, new MC production needed, needs T tracks and hists in UT. |
| People currently involved | Tomasz Szumlak et al. |
| New effort required? | No |
| Link to documentation | Run II documentation: https://cds.cern.ch/record/2240723?ln=en |
4.1.9 : HLT2: Seeding
| Lead group | |
|---|---|
| Participating groups | LPHNE |
| Description | a) reoptimization of the physics performance according to the latest SciFi clustering, b) fitting in HLT2 time budget |
| Required FTE | |
| Available FTE | |
| Deadline | Lower priority -> 2019 |
| Dependencies | main effort, new MC production needed, SciFi clustering/sorting |
| People currently involved | Renato Quagliani, Francesco Polci |
| New effort required? | |
| Link to documentation | https://cds.cern.ch/record/2027531?ln=en |
4.1.10 : HLT2: Ghost Probabibility
| Lead group | |
|---|---|
| Participating groups | CCNU |
| Description | a) reoptimization of the physics performance, b) fitting in HLT2 time budget. |
| Required FTE | |
| Available FTE | |
| Deadline | Lower priority -> 2019 |
| Dependencies | Quality of the tracks in the Best container |
| People currently involved | Hang Yin, Menglin Xu |
| New effort required? | TBC |
| Link to documentation | Run II by Paul Seyfert: https://cds.cern.ch/record/2255039/files/LHCb-PUB-2017-011.pdf |
4.1.11 : Benchmarking
| Lead group | |
|---|---|
| Participating groups | CERN, LPHNE, Manchester, Dortmund, IFJ, |
| Description | benchmark HLT1 reconstruction sequence |
| Required FTE | |
| Available FTE | |
| Deadline | High priority |
| Dependencies | Each algorithm running in the sequence should have a physics performance monitoring |
| People currently involved | Sascha Stahl, Renato Quagliani, Agnieszka Dziurda (PV), Gedamis Sapis (T&A volunteer), Christoph Hasse |
| New effort required? | Yes |
| Link to documentation | Rec issue: https://gitlab.cern.ch/lhcb/Rec/issues/14 |
4.2 : Alignment
4.2.1 : Software release manager
| Lead group | |
|---|---|
| Participating groups | LPHNE (temporary) |
| Description | find new release manager of Alignment and OnlineAlignment |
| Required FTE | |
| Available FTE | |
| Deadline | As soon as possible |
| Dependencies | Knowing software |
| People currently involved | Giulio Dujany (temporary) |
| New effort required? | Yes |
| Link to documentation |
4.2.2 : VELO alignment
| Lead group | Manchester |
|---|---|
| Participating groups | VELO detector group, Manchester, LPHNE |
| Description | Optimize alignment strategy for the upgrade: a) main degrees of freedom to align for (and possible finer alignments to run less frequently), b) sample selection, c) constrains |
| Required FTE | |
| Available FTE | |
| Deadline | |
| Dependencies | Collaborate with detectors to know precision survey and main expected movements |
| People currently involved | Lucia Grillo, Chris Burr, Silvia Borghi, Giulio Dujany |
| New effort required? | |
| Link to documentation |
4.2.3 : UT alignment
| Lead group | |
|---|---|
| Participating groups | UT detector group, |
| Description | Optimize alignment strategy for the upgrade: a) main degrees of freedom to align for (and possible finer alignments to run less frequently), b) sample selection, c) constrains |
| Required FTE | |
| Available FTE | |
| Deadline | |
| Dependencies | |
| People currently involved | to be clarified with Tomasz Skwarnicki (UT software manager) |
| New effort required? | |
| Link to documentation |
4.2.4 : SciFi alignment
| Lead group | |
|---|---|
| Participating groups | SciFi detector group, EPFL, CCNU |
| Description | Optimize alignment strategy for the upgrade: a) main degrees of freedom to align for (and possible finer alignments to run less frequently), b) sample selection, c) constrains |
| Required FTE | |
| Available FTE | |
| Deadline | |
| Dependencies | Collaborate with detectors to know precision survey and main expected movements |
| People currently involved | Pietro Marino, Biplab Dey |
| New effort required? | |
| Link to documentation |
Topic revision: r6 - 2018-05-07 - AgnieszkaDziurda
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