Now showing items 1-12 of 12

    • Achieving diverse redundancy for GPU Kernels 

      Alcaide Portet, Sergi; Kosmidis, Leonidas; Hernández Luz, Carles; Abella Ferrer, Jaume (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Article
      Open Access
      Autonomous driving requires high-performance computing devices including general-purpose CPUs as well as specific accelerators, with GPUs having a key role due to their flexibility. Safety-critical microcontrollers have ...
    • DIMP: A low-cost diversity metric based on circuit path analysis 

      Alcaide Portet, Sergi; Hernandez, Carles; Roca, Antoni; Abella Ferrer, Jaume (2017)
      Conference report
      Open Access
      Diversity has been regarded as a desirable property of redundant instances, since it allows circuits to behave differently in front of a given fault. However, while qualitatively diversity is a well-understood concept, ...
    • GPU4S: Embedded GPUs in Space - Latest project updates 

      Kosmidis, Leonidas; Rodríguez Ferrandez, Iván; Jover Álvarez, Álvaro; Alcaide Portet, Sergi; Lachaize, Jérôme; Abella Ferrer, Jaume; Notebaert, Olivier; Cazorla Almeida, Francisco Javier; Steenari, David (2020-09)
      Article
      Restricted access - publisher's policy
      Following the trend of other safety-critical industries like automotive and avionics, the space domain is witnessing an increase in the on-board computing performance demands. This raise in performance needs comes from ...
    • GPU4S: Major project outcomes, lessons learnt and way forward 

      Kosmidis, Leonidas; Rodríguez Ferrández, Iván; Jover Álvarez, Álvaro; Alcaide Portet, Sergi; Lachaize, Jérôme; Notebaert, Olivier; Certain, Antoine; Steenari, David (IEEE, 2021)
      Conference report
      Open Access
      Embedded GPUs have been identified from both private and government space agencies as promising hardware technologies to satisfy the increased needs of payload processing. The GPU4S (GPU for Space) project funded from the ...
    • SafeDE: a flexible Diversity Enforcement hardware module for light-lockstepping 

      Bas Jalón, Francisco; Alcaide Portet, Sergi; Lorenzo Ortega, Rubén; Cabo Pitarch, Guillem; Gil Rodríguez, Guillermo; Sala Sucarrats, Oriol; Mazzocchetti, Fabio; Trilla Rodríguez, David; Abella Ferrer, Jaume (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Conference report
      Open Access
      Safety-related systems, such as those in automotive, avionics and space, impose the existence of appropriate safety measures to meet the safety requirements of the system. In the case of the highest integrity level ...
    • SafeSU: an extended statistics unit for multicore timing interference 

      Cabo Pitarch, Guillem; Bas Jalón, Francisco; Lorenzo Ortega, Rubén; Trilla Rodríguez, David; Alcaide Portet, Sergi; Moreto Planas, Miquel; Hernández Luz, Carles; Abella Ferrer, Jaume (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Conference report
      Open Access
      Statistics units (SUs) in MPSoCs are becoming increasingly used for the (1) verification and (2) validation of multicore timing interference, as well as for (3) deploying safety measures in safety-related real-time systems. ...
    • SafeTI: a hardware traffic injector for MPSoC functional and timing validation 

      Sala Sucarrats, Oriol; Alcaide Portet, Sergi; Cabo Pitarch, Guillem; Bas Jalón, Francisco; Lorenzo Ortega, Rubén; Benedicte Illescas, Pedro; Trilla Rodríguez, David; Gil Rodríguez, Guillermo; Mazzocchetti, Fabio; Abella Ferrer, Jaume (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Conference report
      Open Access
      Functional and timing validation of safety-related MPSoCs requires testing specific traffic patterns in the on-chip interconnects. Generally, testing needs to be performed by using software tests whose degree of control ...
    • Safety-related challenges and opportunities for GPUs in the automotive domain 

      Alcaide Portet, Sergi; Kosmidis, Leonidas; Tabani, Hamid; Hernández Luz, Carles; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier (IEEE, 2018-10-09)
      Article
      Open Access
      GPUs have been shown to cover the computing performance needs of autonomous driving (AD) systems. However, since the GPUs used for AD build on designs for the mainstream market, they may lack fundamental properties for ...
    • Security, reliability and test aspects of the RISC-V ecosystem 

      Abella Ferrer, Jaume; Alcaide Portet, Sergi; Anders, Jens; Bas Jalón, Francisco; Becker, Steffen; De Mulder, Elke; Elhamawy, Nourhan; Gürkaynak, Frank K.; Handschuh, Helena; Hernández Luz, Carles; Hutter, Mike; Kosmidis, Leonidas; Polian, Ilia; Sauer, Matthias; Wagner, Stefan; Regazzoni, Francesco (Institute of Electrical and Electronics Engineers (IEEE), 2021-05)
      Conference lecture
      Open Access
      RISC-V has emerged as a viable solution on academia and industry. However, to use open source hardware for safety-critical applications, we need a deep understanding of the way in which well established mechanisms for ...
    • Software-only based diverse redundancy for ASIL-D automotive applications on embedded HPC platforms 

      Alcaide Portet, Sergi; Kosmidis, Leonidas; Hernández Luz, Carles; Abella Ferrer, Jaume (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Conference report
      Open Access
      High-Performance Computing (HPC) platforms become a must in automotive systems to enable autonomous driving. However, automotive platforms must avoid Common Cause Failures (CCFs), as indicated by the ISO26262 automotive ...
    • Software-only diverse redundancy on GPUs for autonomous driving platforms 

      Alcaide Portet, Sergi; Kosmidis, Leonidas; Hernández Luz, Carles; Abella Ferrer, Jaume (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference report
      Open Access
      Autonomous driving (AD) builds upon high-performance computing platforms including (1) general purpose CPUs as well as (2) specific accelerators, being GPUs one of the main representatives. Microcontrollers have reached ...
    • Software-only triple diverse redundancy on GPUs for autonomous driving platforms 

      Alcaide Portet, Sergi; Kosmidis, Leonidas; Hernández Luz, Carles; Abella Ferrer, Jaume (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Conference report
      Open Access
      Autonomous driving (AD) imposes the need for safe computations in high-performance computing (HPC) components such as GPUs, thus with capabilities to detect and recover from errors since a safe state may not exist anymore. ...