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

WP1 WP2 WP3 WP4 WP5 COORDINATOR WORK PACKAGE LDR RESEARCHER ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 French engineer in computer sciences and mathematics Joined ACEOLE the 1 st October 2008 Incomplete scientific background MadWifi 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 process control Introduction Introduction – Training – Technical – Dissemination - Impact

WP1 WP2 WP3 WP4 WP5 COORDINATOR WORK PACKAGE LDR RESEARCHER ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 Training Technical Training Force10 Operating System Certification (Force10) Secure Coding in Python (CERN) Computer Architecture and Performance Tuning (CERN/Intel) Multi-processing development with GPUs (Speed-Up Workshop) CUDA, OpenCL Complementary Training Radiological Protection (CERN) German Course from nothing to B1 (outside) Presentation course - How to make a poster (CERN) Leaders in Science, Learning from Experience (CERN) Confidence building on 2 days Secondment Force10 Networks, to be done Introduction – Training – Technical – Dissemination - Impact

WP1 WP2 WP3 WP4 WP5 COORDINATOR WORK PACKAGE LDR RESEARCHER ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 Introduction – Training – Technical – Dissemination - Impact Event-Builder Storage Event-Filter Dataflow Simulator Induction project

WP1 WP2 WP3 WP4 WP5 COORDINATOR WORK PACKAGE LDR RESEARCHER ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 A way to exercise the complete system Before the LHC start-up 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 interface Opportunity to supervise interns Privileged link with my highschool Dataflow simulator for full system test Introduction – Training – Technical – Dissemination - Impact

WP1 WP2 WP3 WP4 WP5 COORDINATOR WORK PACKAGE LDR RESEARCHER ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 Communication Oral presentation in LHCb software weeks Oral presentation in Computing in High Energy Physics Conference (CHEP09) Poster in Real Time Conference (RT2009) Posters in Topical Workshop on Electronic for Particle Physics (2009 and soon 2010) 3 (+1) papers in conference proceedings and 1 peer-reviewed paper in the Transactions for Nuclear Sciences (TNS) Dataflow simulator for full system test Introduction – Training – Technical – Dissemination - Impact

WP1 WP2 WP3 WP4 WP5 COORDINATOR WORK PACKAGE LDR RESEARCHER ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 Introduction – Training – Technical – Dissemination - Impact Event-Builder Storage Event-Filter File system for physics data Takeover, improvements and completion

WP1 WP2 WP3 WP4 WP5 COORDINATOR WORK PACKAGE LDR RESEARCHER ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 Takeover from Sai Suman Cherukuwada project, from the Marie Curie contract MITELCO 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 User space file system Handle anything, not only physics data Active-Passives, failover, failback Implemented now on a 10 GbE network File System for Physics Data Introduction – Training – Technical – Dissemination - Impact

WP1 WP2 WP3 WP4 WP5 COORDINATOR WORK PACKAGE LDR RESEARCHER ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 Data writing in production First requirement: 70 MB/s, currently 400 MB/s Data reading research project still in progress Proof of concept at 400 MB/s maximum Communication Poster in Real Time Conference (RT2010) 1 paper in the proceedings and 1 paper submitted in TNS File System for Physics Data Introduction – Training – Technical – Dissemination - Impact

WP1 WP2 WP3 WP4 WP5 COORDINATOR WORK PACKAGE LDR RESEARCHER ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 Introduction – Training – Technical – Dissemination - Impact Event-Builder Storage Event-Filter R&D on Event- Builder From scratch

WP1 WP2 WP3 WP4 WP5 COORDINATOR WORK PACKAGE LDR RESEARCHER ACEOLE MID TERM REVIEW CERN 3 RD AUGUST GbE is already well-known, as the upgrade of the Gigabit Ethernet standard, Challenger is InfiniBand InfiniBand pros: High bandwidth / low-latency Interesting features : RDMA InfiniBand cons: No standard programming interface “Designed” for distributed system, different from a computing farm Results will be presented with a poster at CHEP2010 R&D on Event-Builder Introduction – Training – Technical – Dissemination - Impact

WP1 WP2 WP3 WP4 WP5 COORDINATOR WORK PACKAGE LDR RESEARCHER ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 Lab designer and instructor for CERN Summer Students 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 Dissemination Introduction – Training – Technical – Dissemination - Impact

WP1 WP2 WP3 WP4 WP5 COORDINATOR WORK PACKAGE LDR RESEARCHER ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 My impact 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 GbE 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 tasks, DAQ sub-system expertise and system administration Intern supervision possible right after graduation Impact Introduction – Training – Technical – Dissemination - Impact

WP1 WP2 WP3 WP4 WP5 COORDINATOR WORK PACKAGE LDR RESEARCHER ACEOLE MID TERM REVIEW CERN 3 RD AUGUST 2010 Questions?