Exploració per autor "Quiñones, Eduardo"

Ara es mostren els items 39-58 de 61

    • PROXIMA: Improving Measurement-Based Timing Analysis through Randomisation and Probabilistic Analysis 

      Cazorla, Francisco J.; Abella Ferrer, Jaume; Andersson, Jan; Vardanega, Tullio; Vatrinet, Francis; Bate, Iain; Broster, Ian; Azkarate-askasua, Mikel; Wartel, Franck; Cucu, Liliana; Cros, Fabrice; Farrall, Glenn; Gogonel, Adriana; Gianarro, Andrea; Triquet, Benoit; Hernandez, Carles; Lo, Code; Maxim, Cristian; Morales, David; Quiñones, Eduardo; Mezzetti, Enrico; Kosmidis, Leonidas; Aguirre, Irune; Fernandez, Mikel; Slijepcevic, Mladen; Conmy, Philippa; Talaboulma, Walid (IEEE, 2016-08-31)
      Comunicació de congrés
      Accés obert
      The use of increasingly complex hardware and software platforms in response to the ever rising performance demands of modern real-time systems complicates the verification and validation of their timing behaviour, which ...

    • pTNoC: Probabilistically time-analyzable tree-based NoC for mixed-criticality systems 

      Slijepcevic, Mladen; Fernández, Mikel; Hernández, Carles; Abella Ferrer, Jaume; Quiñones, Eduardo; Cazorla Almeida, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
      Accés obert
      The use of networks-on-chip (NoC) in real-time safety-critical multicore systems challenges deriving tight worst-case execution time (WCET) estimates. This is due to the complexities in tightly upper-bounding the contention ...

    • Real-time Issues in the Ada Parallel Model with OpenMP 

      Pinho, Luis Miguel; Royuela Alcázar, Sara; Quiñones, Eduardo (Association for Computing Machinery, 2021)
      Article
      Accés obert
      The current proposal for the next revision of the Ada language considers the possibility to map the language parallel features to an underlying OpenMP runtime. As previously presented, and discussed in previous workshops, ...

    • Response-time analysis of DAG tasks supporting heterogeneous computing 

      Serrano Gracia, María Astón; Quiñones, Eduardo (Association for Computing Machinery (ACM), 2018-06-24)
      Comunicació de congrés
      Accés obert

    • Response-time analysis of DAG tasks under fixed priority scheduling with limited preemptions 

      Serrano, Maria A.; Melani, Alessandra; Bertogna, Marko; Quiñones, Eduardo (Institute of Electrical and Electronics Engineers (IEEE), 2016-03-14)
      Text en actes de congrés
      Accés obert
      Limited preemptive (LP) scheduling has been demonstrated to effectively improve the schedulability of fully preemptive (FP) and fully non-preemptive (FNP) paradigms. On one side, LP reduces the preemption related overheads ...

    • RunPar: An allocation algorithm for automotive applications exploiting runnable parallelism in multicores 

      Panic, Milos; Kehr, Sebastian; Quiñones, Eduardo; Boddecker, Bert; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier (Association for Computing Machinery (ACM), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Automotive applications increasingly rely on AUTOSAR for their design and execution. AUTOSAR applications comprise functions, called runnables, that are grouped into AUTOSAR tasks. Tasks are the unit of scheduling (UoS) ...

    • RVC: A mechanism for time-analyzable real-time processors with faulty caches 

      Abella Ferrer, Jaume; Quiñones, Eduardo; Cazorla Almeida, Francisco Javier; Sazeides, Yanos; Valero Cortés, Mateo (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Geometry scaling due to technology evolution as well as Vcc scaling lead to failures in large SRAM arrays such as caches. Faulty bits can be tolerated from the average performance perspective, but make critical realtime ...

    • Seeking time-composable partitions of tasks for COTS multicore processors 

      Fernández, Gabriel; Abella Ferrer, Jaume; Quiñones, Eduardo; Fossati, Luca; Zulianello, Marco; Vardanega, Tullio; Cazorla Almeida, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Comunicació de congrés
      Accés obert
      The timing verification of real-time single core systems involves a timing analysis step that yields an Execution Time Bound (ETB) for each task, followed by a schedulability analysis step, where the scheduling attributes ...

    • Software-Based Fault-Detection Technique for Object Tracking in Autonomous Vehicles 

      Medaglini, Alessio; Bartolini, Sandro; Mandó, Gianluca; Quiñones, Eduardo; Royuela Alcázar, Sara (Institute of Electrical and Electronics Engineers (IEEE), 2023)
      Comunicació de congrés
      Accés obert
      Autonomous vehicles are nowadays gaining popularity in many different sectors, from automotive to aviation, and find application in increasingly complex and strategic contexts. In this domain, Obstacle Detection and Avoidance ...

    • Static analysis to enhance programmability and performance in OmpSs-2 

      Munera, Adrian; Royuela Alcázar, Sara; Ferrer, Roger; Peñacoba, Raul; Quiñones, Eduardo (Springer, Cham, 2020)
      Text en actes de congrés
      Accés obert
      Task-based parallel programming models based on compiler directives have proved their effectiveness at describing parallelism in High-Performance Computing (HPC) applications. Recent studies show that cutting-edge Real-Time ...

    • Supertask: Maximizing runnable-level parallelism in AUTOSAR applications 

      Kehr, Sebastian; Panic, Milos; Quiñones, Eduardo; Böddeker, Bert; Becerril Sandoval, Jorge; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier; Schäfer, Günter (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
      Accés obert
      The migration of legacy AUTOSAR automotive software from a single-core ECU to a multicore ECU faces two main challenges: 1) data dependencies between AUTOSAR runnables must be respected, which may limit the level of ...

    • TASA: toolchain-agnostic static software randomisation for critical real-time systems 

      Kosmidis, Leonidas; Vargas, Roberto; Morales, David; Quiñones, Eduardo; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier (Association for Computing Machinery (ACM), 2016)
      Text en actes de congrés
      Accés obert
      Measurement-Based Probabilistic Timing Analysis (MBPTA) derives WCET estimates for tasks running on processors comprising high-performance features such as caches. MBPTA's correct application requires the system to exhibit ...

    • Techniques for reducing and bounding OpenMP dynamic memory 

      Munera, Adrian; Royuela, Sara; Quiñones, Eduardo (Barcelona Supercomputing Center, 2019-05-07)
      Text en actes de congrés
      Accés obert
      OpenMP offers a tasking model very convenient to develop critical real-time parallel applications by virtue of its time predictability. However, current implementations make an intensive use of dynamic memory to efficiently ...

    • The AMPERE Project: A Model-driven development framework for highly Parallel and EneRgy-Efficient computation supporting multi-criteria optimization 

      Quiñones, Eduardo; Royuela Alcázar, Sara; Scordino, Claudio; Gai, Paolo; Pinho, Luis Miguel; Nogueira, Luis; Rollo, Jan; Cuccinottta, Tommaso; Biondi, Alessandro; Hammam, Arne; Ziegenbein, Dirk; Saoud, Hadi; Forsberg, Björn; Benini, Luca; Mando, Gianluca; Rucher, Luigi (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Text en actes de congrés
      Accés obert
      The high-performance requirements needed to implement the most advanced functionalities of current and future Cyber-Physical Systems (CPSs) are challenging the development processes of CPSs. On one side, CPSs rely on ...

    • The DeepHealth Toolkit: A key European free and open-source software for deep learning and computer vision ready to exploit heterogeneous HPC and cloud architectures 

      Aldinucci, Marco; Atienza, David; Bolelli, Federico; Caballero, Mónica; Colonnelli, Iacopo; Quiñones, Eduardo (Springer, Cham, 2022-04)
      Capítol de llibre
      Accés obert
      At the present time, we are immersed in the convergence between Big Data, High-Performance Computing and Artificial Intelligence. Technological progress in these three areas has accelerated in recent years, forcing different ...

    • The next convergence: High-performance and mission-critical markets 

      Girbal, Sylvain; Moretó Planas, Miquel; Grasset, Arnaud; Abella Ferrer, Jaume; Quiñones, Eduardo; Cazorla Almeida, Francisco Javier; Yehia, Sami (2013)
      Text en actes de congrés
      Accés obert
      The well-known convergence of the high-performance computing and the mobile markets has been a dominating factor in the computing market during the last two decades. In this paper we witness a new type of convergence between ...

    • The OpenMP API for high integrity systems: Moving responsibility from users to vendors 

      Klemm, Michael; Quiñones, Eduardo; Taft, Tucker; Ziegenbein, Dirk; Royuela Alcázar, Sara (Association for Computing Machinery, 2021)
      Article
      Accés obert
      OpenMP is traditionally focused on boosting performance in HPC systems. However, other domains are showing an increasing interest in the use of OpenMP by virtue of key aspects introduced in recent versions of the specification: ...

    • Time-analysable non-partitioned shared caches for real-time multicore systems 

      Slijepcevic, Mladen; Kosmidis, Leonidas; Abella Ferrer, Jaume; Quiñones, Eduardo; Cazorla Almeida, Francisco Javier (Association for Computing Machinery (ACM), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Shared caches in multicores challenge Worst-Case Execution Time (WCET) estimation due to inter-task interferences. Hard-ware and software cache partitioning address this issue although they complicate data sharing among ...

    • Time-predictable parallel programming models 

      Serrano, María A.; Quiñones, Eduardo (Barcelona Supercomputing Center, 2017-05-04)
      Text en actes de congrés
      Accés obert
      Embedded Computing (EC) systems are increas-ingly concerned with providing higher performance in real-time while HPC applications require huge amounts of information to be processed within a bounded amount of time. Addressing ...

    • Time-predictable task-to-thread mapping in multi-core processors 

      Samadi, Mohammad; Royuela Alcázar, Sara; Pinho, Luis Miguel; Carvalho, Tiago; Quiñones, Eduardo (Elsevier, 2024)
      Article
      Accés obert
      The performance of time-predictable systems can be improved in multi-core processors using parallel programming models (e.g., OpenMP). However, schedulability analysis of parallel applications is a big challenge due to ...