Work Package 5 Data Acquisition and High Level

  • Slides: 14
Download presentation
Work Package 5 Data Acquisition and High Level Triggering System Jean-Christophe Garnier 3/08/2010

Work Package 5 Data Acquisition and High Level Triggering System Jean-Christophe Garnier 3/08/2010

Introduction – Training – Technical – Dissemination - Impact WP 1 WP 2 WORK

Introduction – Training – Technical – Dissemination - Impact WP 1 WP 2 WORK PACKAGE LDR WP 3 � French engineer in computer sciences and mathematics � Joined ACEOLE the 1 st October 2008 � Incomplete scientific background � Mad. Wifi open-source device driver � Embedded systems, robots and mobile robots � Virtual reality (graphics and physics engine) � Geographic Information System � Training module for proprietary framework in industrial WP 4 WP 5 RESEARCHER process control ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 COORDINATOR Introduction

Introduction – Training – Technical – Dissemination - Impact WP 1 WP 2 WP

Introduction – Training – Technical – Dissemination - Impact WP 1 WP 2 WP 4 WORK PACKAGE LDR WP 3 � Force 10 Operating System Certification (Force 10) � Secure Coding in Python (CERN) � Computer Architecture and Performance Tuning (CERN/Intel) � Multi-processing development with GPUs (Speed-Up Workshop) � CUDA, Open. CL � Complementary Training � Radiological Protection (CERN) � German Course from nothing to B 1 (outside) � Presentation course - How to make a poster (CERN) � Leaders in Science, Learning from Experience (CERN) � Confidence building on 2 days � Secondment WP 5 RESEARCHER � Technical Training � Force 10 Networks, to be done ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 COORDINATOR Training

WP 1 WP 2 Induction project Event-Builder Event-Filter WP 5 WP 4 WORK PACKAGE

WP 1 WP 2 Induction project Event-Builder Event-Filter WP 5 WP 4 WORK PACKAGE LDR WP 3 RESEARCHER Dataflow Simulator Storage ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 COORDINATOR Introduction – Training – Technical – Dissemination - Impact

Introduction – Training – Technical – Dissemination - Impact WP 1 WP 2 �

Introduction – Training – Technical – Dissemination - Impact WP 1 WP 2 � Before the LHC start-up WP 4 WORK PACKAGE LDR WP 3 � Currently used to replay physics run and tune the Event-Filter � Learn a lot about the entire LHCb DAQ � Upgrade project, implementing an hardware version � Driving 10 Gigabit Ethernet WP 5 RESEARCHER � A way to exercise the complete system interface � Opportunity to supervise interns � Privileged link with my ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 COORDINATOR Dataflow simulator full system test

Introduction – Training – Technical – Dissemination - Impact WP 1 WP 2 �

Introduction – Training – Technical – Dissemination - Impact WP 1 WP 2 � Oral presentation in LHCb WP 5 WP 4 WORK PACKAGE LDR WP 3 RESEARCHER � Communication software weeks � Oral presentation in Computing in High Energy Physics Conference (CHEP 09) � Poster in Real Time Conference (RT 2009) � Posters in Topical Workshop on Electronic for Particle Physics (2009 and soon 2010) � 3 (+1) papers in conference proceedings and 1 peerreviewed paper in the Transactions for Nuclear Sciences (TNS) ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 COORDINATOR Dataflow simulator full system test

WP 1 WP 4 WP 5 RESEARCHER WORK PACKAGE LDR WP 3 WP 2

WP 1 WP 4 WP 5 RESEARCHER WORK PACKAGE LDR WP 3 WP 2 Event-Builder Event-Filter Takeover, improvements and completion File system for physics data Storage ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 COORDINATOR Introduction – Training – Technical – Dissemination - Impact

Introduction – Training – Technical – Dissemination - Impact WP 1 WP 2 WP

Introduction – Training – Technical – Dissemination - Impact WP 1 WP 2 WP 4 WORK PACKAGE LDR WP 3 � Reliable way to write physics data required � Performance should be scalable as requirements might change � Don’t lose any data, robust against hard and soft failures � High-performance data reading � To reprocess physics data in the computing farm � Solution WP 5 RESEARCHER � Takeover from Sai Suman Cherukuwada project, from the Marie Curie contract MITELCO � User space file system � Handle anything, not only physics data � Active-Passives, failover, failback ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 COORDINATOR File System for Physics Data

Introduction – Training – Technical – Dissemination - Impact WP 1 � First requirement:

Introduction – Training – Technical – Dissemination - Impact WP 1 � First requirement: 70 MB/s, currently WP 2 400 MB/s WP 5 WP 4 WORK PACKAGE LDR WP 3 RESEARCHER � Data writing in production � Data reading research project still in progress � Proof of concept at 400 MB/s maximum � Communication � Poster in Real Time Conference (RT 2010) � 1 paper in the proceedings and 1 paper submitted in TNS ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 COORDINATOR File System for Physics Data

WP 1 WP 2 Event-Builder From scratch Event-Filter WP 5 WP 4 WORK PACKAGE

WP 1 WP 2 Event-Builder From scratch Event-Filter WP 5 WP 4 WORK PACKAGE LDR WP 3 RESEARCHER R&D on Event. Builder Storage ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 COORDINATOR Introduction – Training – Technical – Dissemination - Impact

Introduction – Training – Technical – Dissemination - Impact WP 1 WP 2 WP

Introduction – Training – Technical – Dissemination - Impact WP 1 WP 2 WP 5 WP 4 WORK PACKAGE LDR WP 3 RESEARCHER � 10 Gb. E is already wellknown, as the upgrade of the Gigabit Ethernet standard, Challenger is Infini. Band � Infini. Band pros: � High bandwidth / low- latency � Interesting features : RDMA � Infini. Band cons: � No standard programming interface � “Designed” for distributed system, different from a computing farm ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 COORDINATOR R&D on Event-Builder

Introduction – Training – Technical – Dissemination - Impact WP 1 WP 2 WP

Introduction – Training – Technical – Dissemination - Impact WP 1 WP 2 WP 5 WP 4 WORK PACKAGE LDR WP 3 RESEARCHER � Lab designer and instructor for CERN Summer Students 2009 and 2010 � Lab co-designer and co-instructor in the International School of Trigger and Data Acquisition (ISOTDAQ), in 2010 in Ankara, and 2011 in Rome. � Presentation of CERN at University � Supervision of interns and summer students 2009 and 2010 � Guide in the LHCb Experiment � Author and peer-reviewer in the Transactions on Nuclear Sciences � Chairperson of the 1 st ACEOLE 6 month meeting � Co-author on a few other papers � About the general system or about systems involving my software ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 COORDINATOR Dissemination

Introduction – Training – Technical – Dissemination - Impact WP 1 WP 2 WP

Introduction – Training – Technical – Dissemination - Impact WP 1 WP 2 WP 4 WORK PACKAGE LDR WP 3 � Important projects for the experiment � 2 for operations � 1 R&D � And a lot of interventions � Secondary project about LHCb survey reused in ISOLDE � Feedback to Chelsio on their device drivers when investigating 10 Gb. E performance � Impact on intern carriers, introducing to CERN, giving them project opportunities � After ~ 2 years � Much more lines in my CV � Good visibility in the experiment, with piquet WP 5 RESEARCHER � My impact tasks, DAQ sub-system expertise and system administration � Intern supervision possible right after graduation ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 COORDINATOR Impact

WP 5 WP 4 RESEARCHER WORK PACKAGE LDR WP 3 WP 2 WP 1

WP 5 WP 4 RESEARCHER WORK PACKAGE LDR WP 3 WP 2 WP 1 COORDINATOR ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 Questions?