Exploració per autor "Serra Mochales, Isabel"

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    • CleanET: enabling timing validation for complex automotive systems 

      Vilardell Moreno, Sergi; Serra Mochales, Isabel; Tabani, Hamid; Abella Ferrer, Jaume; del Castillo Franquet, Joan; Cazorla Almeida, Francisco Javier (Association for Computing Machinery (ACM), 2020)
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      Timing validation for automotive systems occurs in late integration stages when it is hard to control how the instances of software tasks overlap in time. To make things worse, in complex software systems, like those for ...

    • Distinct flavors of Zipf's law and its maximum likelihood fitting: Rank-size and size-distribution representations 

      Corral Cano, Álvaro; Serra Mochales, Isabel; Ferrer Cancho, Ramon (American Institute of Physics (AIP), 2020-11-10)
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      In recent years, researchers have realized the difficulties of fitting power-law distributions properly. These difficulties are higher in Zipfian systems, due to the discreteness of the variables and to the existence of ...

    • Environmental heterogeneity in human health studies. A compositional methodology for Land Use and Land cover data 

      Zaldo Aubanell, Quim; Serra Mochales, Isabel; Bach, Albert; Knobel, Pablo; Campillo i López, Ferran; Belmonte, Jordina; Daunis i Estadella, Pepus; Maneja, Roser (Elsevier, 2021)
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      The use of Land use and Land cover (LULC) data is gradually becoming more widely spread in studies relating the environment to human health. However, little research has acknowledged the compositional nature of these data. ...

    • How does obstructive sleep apnea alter cerebral hemodynamics? 

      Gregori Pla, Clara; Zirak, Peyman; Cotta, Gianluca; Bramon Mora, Pau; Blanco Núñez, Igor Diego; Serra Mochales, Isabel; Mola, Anna; Fortuna Gutiérrez, Ana; Solà Soler, Jordi; Giraldo Giraldo, Beatriz; Durduran, Turgut; Mayos, Mercedes (Oxford University Press, 2023-08-01)
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      Study Objectives We aimed to characterize the cerebral hemodynamic response to obstructive sleep apnea/hypopnea events, and evaluate their association to polysomnographic parameters. The characterization of the cerebral ...

    • HRM: merging hardware event monitors for improved timing analysis of complex MPSoCs 

      Vilardell Moreno, Sergi; Serra Mochales, Isabel; Santalla, Roberto; Mezzetti, Enrico; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier (2020-11)
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      The Performance Monitoring Unit (PMU) in MPSoCs is at the heart of the latest measurement-based timing analysis techniques in Critical Embedded Systems. In particular, hardware event monitors (HEMs) in the PMU are used as ...

    • Modelling and predicting extreme behavior in critical real-time systems with advanced statistics 

      Vilardell Moreno, Sergi; Serra Mochales, Isabel; Cazorla Almeida, Francisco Javier (Barcelona Supercomputing Center, 2020-05)
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      In the last decade, the market for Critical Real-Time Embedded Systems (CRTES) has increased significantly. According to Global Markets Insight [1], the embedded systems market will reach a total size of US $258 billion ...

    • MUCH: exploiting pairwise hardware event monitor correlations for improved timing analysis of complex MPSoCs 

      Vilardell Moreno, Sergi; Serra Mochales, Isabel; Mezzetti, Enrico; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier (Association for Computing Machinery (ACM), 2021)
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      Measurement-based timing analysis techniques increasingly rely on the Performance Monitoring Units (PMU) of MPSoCs, as these units implement specialized Hardware Event Monitors (HEMs) that convey detailed information about ...

    • Software timing analysis for complex hardware with survivability and risk analysis 

      Vilardell Moreno, Sergi; Serra Mochales, Isabel; Abella Ferrer, Jaume; del Castillo Franquet, Joan; Cazorla Almeida, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 2019)
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      The increasing automation of safety-critical real-time systems, such as those in cars and planes, leads, to more complex and performance-demanding on-board software and the subsequent adoption of multicores and accelerators. ...

    • Using Markov’s inequality with power-of-k function for probabilistic WCET estimation 

      Vilardell Moreno, Sergi; Serra Mochales, Isabel; Mezzetti, Enrico; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier; del Castillo Franquet, Joan (Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2022)
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      Deriving WCET estimates for software programs with probabilistic means (a.k.a. pWCET estimation) has received significant attention during last years as a way to deal with the increased complexity of the processors used ...

    • Using Quantile Regression in Neural Networks for Contention Prediction in Multicore Processors 

      Brando Guillaumes, Axel; Serra Mochales, Isabel; Mezzetti, Enrico; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier (Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2022)
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      The development of multicore-based embedded real-time systems is a complex process that encompasses several phases. During the software design and development phases (DDP), and prior to the validation phase, key decisions ...