Time-predictable architectures / / Christine Rochange, Sascha Uhrig, Pascal Sainrat

• Autore: Rochange Christine
• Pubblicazione: London, England ; ; Hoboken, New Jersey : , : ISTE Ltd : , : John Wiley & Sons, , 2014; ©2014
• Descrizione fisica: 1 online resource (192 p.)
• Disciplina: 004.33
• Soggetto topico: Real-time data processing; Computer architecture
• Altri autori: UhrigSascha SainratPascal
• Note generali: Description based upon print version of record.
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: Cover; Title Page; Contents; Preface; CHAPTER 1. REAL-TIME SYSTEMS AND TIME PREDICTABILITY; 1.1. Real-time systems; 1.1.1. Introduction; 1.1.2. Soft, firm and hard real-time systems; 1.1.3. Safety standards; 1.1.4. Examples; 1.2. Time predictability; 1.3. Book outline; CHAPTER 2. TIMING ANALYSIS OF REAL-TIME SYSTEMS; 2.1. Real-time task scheduling; 2.1.1. Task model; 2.1.2. Objectives of task scheduling algorithms; 2.1.3. Mono-processor scheduling for periodic tasks; 2.1.4. Scheduling sporadic and aperiodic tasks; 2.1.5. Multiprocessor scheduling for periodic tasks; 2.2. Task-level analysis ; 2.2.1. Flow analysis: identifying possible paths2.2.2. Low-level analysis: determining partial execution times; 2.2.3. WCET computation; 2.2.4. WCET analysis tools; 2.2.5. Alternative approaches to WCET analysis; 2.2.6. Time composability; CHAPTER 3. CURRENT PROCESSOR ARCHITECTURES; 3.1. Pipelining; 3.1.1. Pipeline effects; 3.1.2. Modeling for timing analysis; 3.1.3. Recommendations for predictability; 3.2. Superscalar architectures; 3.2.1. In-order execution; 3.2.2. Out-of-order execution; 3.2.3. Modeling for timing analysis; 3.2.4. Recommendations for predictability; 3.3. Multithreading ; 3.3.1. Time-predictability issues raised by multithreading3.3.2. Time-predictable example architectures; 3.4. Branch prediction; 3.4.1. State-of-the-art branch prediction; 3.4.2. Branch prediction in real-time systems; 3.4.3. Approaches to branch prediction modeling; CHAPTER 4. MEMORY HIERARCHY; 4.1. Caches; 4.1.1. Organization of cache memories; 4.1.2. Static analysis of the behavior of caches; 4.1.3. Recommendations for timing predictability; 4.2. Scratchpad memories; 4.2.1. Scratchpad RAM; 4.2.2. Data scratchpad; 4.2.3. Instruction scratchpad; 4.3. External memories; 4.3.1. Static RAM ; 4.3.2. Dynamic RAM4.3.3. Flash memory; CHAPTER 5. MULTICORES; 5.1. Impact of resource sharing on time predictability; 5.2. Timing analysis for multicores; 5.2.1. Analysis of temporal/bandwidth sharing; 5.2.2. Analysis of spatial sharing; 5.3. Local caches; 5.3.1. Coherence techniques; 5.3.2. Discussion on timing analyzability; 5.4. Conclusion; 5.5. Time-predictable architectures; 5.5.1. Uncached accesses to shared data; 5.5.2. On-demand coherent cache; CHAPTER 6. EXAMPLE ARCHITECTURES; 6.1. The multithreaded processor Komodo; 6.1.1. The Komodo architecture; 6.1.2. Integrated thread scheduling ; 6.1.3. Guaranteed percentage scheduling6.1.4. The jamuth IP core; 6.1.5. Conclusion; 6.2. The JOP architecture; 6.2.1. Conclusion; 6.3. The PRET architecture; 6.3.1. PRET pipeline architecture; 6.3.2. Instruction set extension; 6.3.3. DDR2 memory controller; 6.3.4. Conclusion; 6.4. The multi-issue CarCore processor; 6.4.1. The CarCore architecture; 6.4.2. Layered thread scheduling; 6.4.3. CarCore thread scheduling algorithms; 6.4.4. Conclusion; 6.5. The MERASA multicore processor; 6.5.1. The MERASA architecture; 6.5.2. The MERASA processor core; 6.5.3. Interconnection bus ; 6.5.4. Memory hierarchy
• Sommario/riassunto: Building computers that can be used to design embedded real-time systems is the subject of this title. Real-time embedded software requires increasingly higher performances. The authors therefore consider processors that implement advanced mechanisms such as pipelining, out-of-order execution, branch prediction, cache memories, multi-threading, multicorearchitectures, etc. The authors of this book investigate the timepredictability of such schemes.
• Titolo autorizzato: Time-predictable architectures
• ISBN: 1-118-79026-X; 1-118-79022-7; 1-118-79013-8
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910813510003321
• Lo trovi qui: Univ. Federico II
• Serie: Focus series in computer engineering.