Exploració per autor "Abella Ferrer, Jaume"Més informació

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    • Dynamic and execution views to improve validation, testing, and optimization of autonomous driving software 

      Alcón Doganoc, Miguel; Tabani, Hamid; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier (Springer Nature, 2023-06)
      Article
      Accés obert
      The adoption of autonomous driving (AD) software executed on high-performance multi-processor systems on chip (MPSoCs) contributes to increasing the overall system’s safety and efficiency. However, existing AD software ...

    • Dynamic software randomisation: Lessons learnec from an aerospace case study 

      Cros, Fabrice; Kosmidis, Leonidas; Wartel, Franck; Morales, David; Abella Ferrer, Jaume; Broster, Ian; Cazorla, Francisco J. (2017-05-15)
      Comunicació de congrés
      Accés obert
      Timing Validation and Verification (V&V) is an important step in real-time system design, in which a system's timing behaviour is assessed via Worst Case Execution Time (WCET) estimation and scheduling analysis. For WCET ...

    • Efficient cache architectures for reliable hybrid voltage operation using EDC codes 

      Maric, Bojan; Abella Ferrer, Jaume; Valero Cortés, Mateo (2013)
      Text en actes de congrés
      Accés obert
      Semiconductor technology evolution enables the design of sensor-based battery-powered ultra-low-cost chips (e.g., below 1 p) required for new market segments such as body, urban life and environment monitoring. Caches have ...

    • Empirical evidence for MPSoCs in critical systems: The case of NXP’s T2080 cache coherence 

      Pujol Torramorell, Roger; Tabani, Hamid; Abella Ferrer, Jaume; Hassan, Mohamed; Cazorla Almeida, Francisco Javier (IEEE, 2021)
      Comunicació de congrés
      Accés obert
      The adoption of complex MPSoCs in critical real-time embedded systems mandates a detailed analysis their architecture to facilitate certification. This analysis is hindered by the lack of a thorough understanding of the ...

    • En-route: on enabling resource usage testing for autonomous driving frameworks 

      Alcon, Miguel; Tabani, Hamid; Abella Ferrer, Jaume; Kosmidis, Leonidas; Cazorla Almeida, Francisco Javier (Association for Computing Machinery (ACM), 2020-03)
      Text en actes de congrés
      Accés obert
      Software resource usage testing, including execution time bounds and memory, is a mandatory validation step during the integration of safety-related real-time systems. However, the inherent complexity of Autonomous Driving ...

    • Enabling unit testing of already-integrated AI software systems: The case of Apollo for autonomous driving 

      Alcón Doganoc, Miguel; Tabani, Hamid; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
      Accés obert
      The advanced AI-based software used for autonomous driving comprises multiple highly-coupled modules that are data and control dependent. Deploying those already-integrated software frameworks makes unit testing, a fundamental ...

    • End-to-end QoS for the open source safety-relevant RISC-V SELENE platform 

      Andreu Cerezo, Pablo; Hernández Luz, Carles; Picornell Sanjuan, Tomás; López Rodríguez, Pedro; Alcaide Portet, Sergi; Bas Jalón, Francisco; Benedicte Illescas, Pedro; Chang, Feng; Cabo Pitarch, Guillem; Fuentes Díaz, Francisco Javier; Abella Ferrer, Jaume (arXiv, 2022)
      Text en actes de congrés
      Accés obert
      This paper presents the end-to-end QoS approach to provide performance guarantees followed in the SELENEplatform, a high-performance RISC-V based heterogeneous SoC for safety-related real-time systems. Our QoS approach ...

    • Energy efficient object detection for automotive applications with YOLOv3 and approximate hardware 

      Fornt Mas, Jordi; Fontova Muste, Pau; Caro Roca, Martí; Abella Ferrer, Jaume; Moll Echeto, Francisco de Borja; Altet Sanahujes, Josep; Rubio Sola, Jose Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2023)
      Text en actes de congrés
      Accés obert
      Deep neural networks are the dominant models for perception tasks in the automotive domain, but their high computational complexity makes it difficult to execute them in real time with an acceptable power consumption on ...

    • EOmesh: combined flow balancing and deterministic routing for reduced WCET estimates in embedded real-time systems 

      Cardona Nadal, Jordi; Abella Ferrer, Jaume; Hernández Luz, Carles; Cazorla Almeida, Francisco Javier (2018-07-17)
      Article
      Accés obert
      The increasing performance needs in critical real-time embedded systems (CRTES) can only be satisfied with the use of high-performance manycore processors. While NoC-based manycore systems are popular in the high-performance ...

    • ePAPI: Performance Application ProgrammingInterface for Embedded Platforms 

      Giesen, Jeremy; Mezzetti, Enrico; Abella Ferrer, Jaume; Fernández, Enrique; Cazorla, Francisco J. (2019)
      Comunicació de congrés
      Accés obert
      Performance Monitoring Counters (PMCs) have been traditionally used in the mainstream computing domain to perform debugging and optimization of software performance. PMCs are increasingly considered in embedded time-critical ...

    • EPC Enacted: Integration in an Industrial Toolbox and Use against a Railway Application 

      Mezzetti, Enrico; Fernandez, Mikel; Bardizbanyan, Alen; Agirre, Irune; Abella Ferrer, Jaume; Vardanega, Tullio; Cazorla, Francisco J. (Institute of Electrical and Electronics Engineers (IEEE), 2017-06-08)
      Comunicació de congrés
      Accés obert
      Measurement-based timing analysis approaches are increasingly making their way into several industrial domains on account of their good cost-benefit ratio. The trustworthiness of those methods, however, suffers from the ...

    • EPC: Extended Path Coverage for Measurement-Based Probabilistic Timing Analysis 

      Ziccardi, Marco; Mezzetti, Enrico; Vardanega, Tullio; Abella Ferrer, Jaume; Cazorla, Francisco J. (IEEE, 2016-01-18)
      Comunicació de congrés
      Accés obert
      Measurement-based probabilistic timing analysis (MBPTA) computes trustworthy upper bounds to the execution time of software programs. MBPTA has the connotation, typical of measurement-based techniques, that the bounds ...

    • Execution time distributions in embedded safety-critical systems using extreme value theory 

      del Castillo, Joan; Padilla, Maria; Abella Ferrer, Jaume; Cazorla, Francisco J. (Inderscience, 2017)
      Article
      Accés obert
      Several techniques have been proposed to upper-bound the worst-case execution time behaviour of programs in the domain of critical real-time embedded systems. These computing systems have strong requirements regarding the ...

    • Fast time-to-market with via-configurable transistor array regular fabric: A delay-locked loop design case study 

      González Colás, Antonio María; Pons Solé, Marc; Barajas Ojeda, Enrique; Mateo Peña, Diego; López González, Juan Miguel; Moll Echeto, Francisco de Borja; Rubio Sola, Jose Antonio; Abella Ferrer, Jaume; Vera Rivera, Francisco Javier (IEEE Computer Society Publications, 2011)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Time-to-market is a critical issue for nowadays integrated circuits manufacturers. In this paper the Via-Configurable Transistor Array regular layout fabric (VCTA), which aims to minimize the time-to-market and its associated ...

    • Fitting processor architectures for measurement-based probabilistic timing analysis 

      Kosmidis, Leonidas; Quiñones, Eduardo; Abella Ferrer, Jaume; Vardanega, Tullio; Hernández, Carles; Gianarro, Andrea; Broster, Ian; Cazorla Almeida, Francisco Javier (2016-11-01)
      Article
      Accés obert
      The pressing market demand for competitive performance/cost ratios compels Critical Real-Time Embedded Systems industry to employ feature-rich hardware. The ensuing rise in hardware complexity however makes worst-case ...

    • Fitting Software Execution-Time Exceedance into a Residual Random Fault in ISO-26262 

      Agirre, Irune; Cazorla, Francisco J.; Abella Ferrer, Jaume; Hernandez, Carles; Mezzetti, Enrico; Azkarate-askasua, Mikel; Vardanega, Tullio (IEEE, 2018-09-01)
      Accés obert
      Car manufacturers relentlessly replace or augment the functionality of mechanical subsystems with electronic components. Most such subsystems (e.g., steer-by-wire) are safety related, hence, subject to regulation. ISO-26262, ...

    • FOCSI: A new layout regularity metric 

      Pons Solé, Marc; Moll Echeto, Francisco de Borja; Rubio Sola, Jose Antonio; Abella Ferrer, Jaume; Vera Rivera, Francisco Javier; González Colás, Antonio María (2009-06-09)
      Report de recerca
      Accés obert
      Digital CMOS Integrated Circuits (ICs) suffer from serious layout features printability issues associated to the lithography manufacturing process. Regular layout designs are emerging as alternative solutions to reduce ...

    • Fuse: A technique to anticipate failures due to degradation in ALUs 

      Abella Ferrer, Jaume; Vera Rivera, Francisco Javier; Unsal, Osman Sabri; Ergin, Oguz; González Colás, Antonio María (Institute of Electrical and Electronics Engineers (IEEE), 2007)
      Text en actes de congrés
      Accés obert
      This paper proposes the fuse, a technique to anticipate failures due to degradation in any ALU (arithmetic logic unit), and particularly in an adder. The fuse consists of a replica of the weakest transistor in the adder ...

    • Generating and Exploiting Deep Learning Variants to Increase Heterogeneous Resource Utilization in the NVIDIA Xavier 

      Pujol, Roger; Tabani, Hamid; Kosmidis, Leonidas; Mezzetti, Enrico; Abella Ferrer, Jaume; Cazorla, Francisco J. (2019)
      Comunicació de congrés
      Accés obert
      Deep learning-based solutions and, in particular, deep neural networks (DNNs) are at the heart of several functionalities in critical-real time embedded systems (CRTES) from vision-based perception (object detection and ...

    • GPU devices for safety-critical systems: a survey 

      Pérez Cerrolaza, Jon; Abella Ferrer, Jaume; Kosmidis, Leonidas; Calderón Torres, Alejandro Josué; Cazorla Almeida, Francisco Javier; Flores Barroso, José Luis (Association for Computing Machinery (ACM), 2023-07)
      Article
      Accés obert
      Graphics Processing Unit (GPU) devices and their associated software programming languages and frameworks can deliver the computing performance required to facilitate the development of next-generation high-performance ...