Recent Submissions

  • Heuristic-based task-to-thread mapping in multi-core processors 

    Samadi Gharajeh, Mohammad; Royuela Alcázar, Sara; Pinho, Luis Miguel; Carvalho, Tiago; Quiñones Moreno, Eduardo (Institute of Electrical and Electronics Engineers (IEEE), 2022)
    Conference report
    Open Access
    OpenMP can be used in real-time applications to enhance system performance. However, predictability of OpenMP applications is still a challenge. This paper investigates heuristics for the mapping of OpenMP task graphs in ...
  • OmpSs-2@Cluster: Distributed memory execution of nested OpenMP-style tasks 

    Aguilar Mena, Jimmy; Ali, Omar Shaaban Ibrahim; Beltran Querol, Vicenç; Carpenter, Paul Matthew; Ayguadé Parra, Eduard; Labarta Mancho, Jesús José (Springer Nature, 2022)
    Conference report
    Restricted access - publisher's policy
    State-of-the-art programming approaches generally have a strict division between intra-node shared memory parallelism and inter-node MPI communication. Tasking with dependencies offers a clean, dependable abstraction for ...
  • Deep reinforcement learning meets graph neural networks: Exploring a routing optimization use case 

    Almasan Puscas, Felician Paul; Suárez-Varela Maciá, José Rafael; Rusek, Krzysztof; Barlet Ros, Pere; Cabellos Aparicio, Alberto (Elsevier, 2022-12-01)
    Article
    Restricted access - publisher's policy
    Deep Reinforcement Learning (DRL) has shown a dramatic improvement in decision-making and automated control problems. Consequently, DRL represents a promising technique to efficiently solve many relevant optimization ...
  • Sliding window support for image processing in autonomous vehicles 

    Taranco Serna, Raúl; Arnau Montañés, José María; González Colás, Antonio María (2022)
    Conference report
    Open Access
    Camera-based autonomous driving extensively ma-nipulates images for object detection, object tracking, or camera-based localization tasks. Therefore, efficient and fast image processing is crucial in those systems. ...
  • Functional and timing implications of transient faults in critical systems 

    Kritikakou, Angeliki; Nikolaou, Panagiota; Rodríguez Ferrández, Iván; Paturel, Joseph; Kosmidis, Leonidas; Michael, Maria K.; Sentieys, Olivier; Steenari, David (Institute of Electrical and Electronics Engineers (IEEE), 2022)
    Conference report
    Open Access
    Embedded systems in critical domains, such as auto-motive, aviation, space domains, are often required to guarantee both functional and temporal correctness. Considering transient faults, fault analysis and mitigation ...
  • Sources of single event effects in the NVIDIA Xavier SoC family under proton irradiation 

    Rodríguez Ferrández, Iván; Tali, Maris; Kosmidis, Leonidas; Rovituso, Marta; Steenari, David (Institute of Electrical and Electronics Engineers (IEEE), 2022)
    Conference report
    Open Access
    In this paper we characterise two embedded GPU devices from the NVIDIA Xavier family System-on-Chip (SoC) using a proton beam. We compare the NVIDIA Xavier NX and Industrial devices, that respectively target commercial and ...
  • Graph signal reconstruction techniques for IoT air pollution monitoring platforms 

    Ferrer Cid, Pau; Barceló Ordinas, José María; García Vidal, Jorge (Institute of Electrical and Electronics Engineers (IEEE), 2022-08-03)
    Article
    Open Access
    Air pollution monitoring platforms play a very important role in preventing and mitigating the effects of pollution. Recent advances in the field of graph signal processing have made it possible to describe and analyze air ...
  • DTexL: Decoupled raster pipeline for texture locality 

    Joseph, Diya; Aragón Alcaraz, Juan Luis; Parcerisa Bundó, Joan Manuel; González Colás, Antonio María (Institute of Electrical and Electronics Engineers (IEEE), 2022)
    Conference report
    Open Access
    Contemporary GPU architectures have multiple shader cores and a scheduler that distributes work (threads) among them, focusing on load balancing. These load balancing techniques favor thread distributions that are detrimental ...
  • A low-power IoT device for measuring water table levels and soil moisture to ease increased crop yields 

    López, Emiliano; Vionnet, Carlos; Ferrer Cid, Pau; Barceló Ordinas, José María; García Vidal, Jorge; Contini, Guillermo; Prodolliet, Jorge; Maiztegui, José (2022-09-09)
    Article
    Open Access
    The simultaneous measurement of soil water content and water table levels is of great agronomic and hydrological interest. Not only does soil moisture represent the water available for plant growth but also water table ...
  • Building a Digital Twin for network optimization using graph neural networks 

    Ferriol Galmés, Miquel; Suárez-Varela Maciá, José Rafael; Paillissé Vilanova, Jordi; Shi, Xiang; Xiao, Shihan; Cheng, Xiangle; Barlet Ros, Pere; Cabellos Aparicio, Alberto (2022-11-09)
    Article
    Open Access
    Network modeling is a critical component of Quality of Service (QoS) optimization. Current networks implement Service Level Agreements (SLA) by careful configuration of both routing and queue scheduling policies. However, ...
  • 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)
    Conference report
    Open Access
    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 ...
  • Towards EXtreme scale technologies and accelerators for euROhpc hw/Sw supercomputing applications for exascale: The TEXTAROSSA approach 

    Agosta, Giovanni; Aldinucci, Marco; Álvarez Martínez, Carlos; Ammendola, Roberto; Arfat, Yasir; Beaumont, Olivier; Bernaschi, Massimo; Filgueras Izquierdo, Antonio; Martorell Bofill, Xavier; Vidal, Miquel (2022-11)
    Article
    Restricted access - publisher's policy
    In the near future, Exascale systems will need to bridge three technology gaps to achieve high performance while remaining under tight power constraints: energy efficiency and thermal control; extreme computation efficiency ...

View more