Interfacing detectors and collecting data for large-scale experiments in high energy physics using COTS technology / Jörn Schumacher, Author ; Prof. Dr. Christian Plessl, Academic Supervisor. Paderborn, 2017
Content
- Contents
- Introduction
- Motivation
- High Energy Physics and Accelerator Experiments
- Trigger and Data Acquisition Systems
- Contribution
- Outline
- From Custom to COTS Components: Evolution of the ATLAS Data-Acquisition System
- LHC Upgrade Program
- LHC Run 1 (2009 – 2013)
- Run 1 Performance Data
- LHC Run 2 (2015 – 2018)
- LHC Run 3 and beyond
- Centralized Data Distribution with FELIX
- Related Work
- Architecture of a COTS-based Read-Out Switch
- Overview
- Detector Connectivity
- The Detector Link Interface Card
- The FELIX Software Stack
- Related Work
- Efficient Decoding of Detector Link Data Streams
- Overview
- The PCIe Packet Format
- The Packet Decoding Algorithm
- Profiling
- Optimizations
- Benchmark Results
- Memory Bandwidth Analysis
- Conclusion
- Related Work
- Fast Networking for DAQ Systems
- Overview
- Networking in FELIX
- The NetIO Message Service
- User-level sockets
- Low-Level Sockets
- The POSIX Back-end
- The FI/Verbs Back-end
- The Intel OmniPath Back-end
- Benchmarks and Tests with NetIO
- Related Work
- System Evaluation of a COTS-based Read-Out
- Conclusion
- Publications of the Author
- Bibliography
- List of Figures
- List of Tables
- Acronyms