Exploració per autor "Cazorla Almeida, Francisco Javier"
Ara es mostren els items 64-83 de 145
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Main sources of variability and non-determinism in AD software: taxonomy and prospects to handle them
Alcón Doganoc, Miguel; Brando Guillaumes, Axel; Mezzetti, Enrico; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier (Springer Nature, 2023-09)
Article
Accés restringit per política de l'editorialSafety standards in domains like automotive and avionics seek for deterministic execution (lack of jittery behavior) as a stepping stone to build a certification argument on the correct timing behavior of the system. ... -
Maximizing multithreaded multicore architectures through thread migrations
Acosta Ojeda, Carmelo Alexis; Cazorla Almeida, Francisco Javier; Santana Jaria, Oliverio J.; Falcón Samper, Ayose Jesús; Ramírez Bellido, Alejandro; Valero Cortés, Mateo (2009)
Report de recerca
Accés obertHeterogeneity in general-purpose workloads often end up in non optimal per-thread hardware resource usage. The current trend towards multicore architectures, containing several multithreaded cores, increases the need of a ... -
Measurement-based cache representativeness on multipath programs
Milutinovic, Suzana; Abella Ferrer, Jaume; Mezzetti, Enrico; Cazorla Almeida, Francisco Javier (Association for Computing Machinery (ACM), 2018-06)
Comunicació de congrés
Accés obertAutonomous vehicles in embedded real-time systems increase critical-software size and complexity whose performance needs are covered with high-performance hardware features like caches, which however hampers obtaining WCET ... -
Measurement-based probabilistic timing analysis for multi-path programs
Cucu Grosjean, Liliana; Santinelli, Luca; Houston, Michael; Lo, Code; Vardanega, Tulio; Kosmidis, Leonidas; Abella Ferrer, Jaume; Mezzetti, Enrico; Quiñones, Eduardo; Cazorla Almeida, Francisco Javier (2012)
Text en actes de congrés
Accés restringit per política de l'editorialThe rigorous application of static timing analysis requires a large and costly amount of detail knowledge on the hardware and software components of the system. Probabilistic Timing Analysis has potential for reducing the ... -
Measurement-based probabilistic timing analysis: Lessons from an integrated-modular avionics case study
Wartel, Franck; Kosmidis, Leonidas; Lo, Code; Triquet, Benoit; Quiñones, Eduardo; Abella Ferrer, Jaume; Gogonel, Adriana; Baldovin, Andrea; Mezzetti, Enrico; Cucu Grosjean, Liliana; Vardanega, Tulio; Cazorla Almeida, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 2013)
Text en actes de congrés
Accés restringit per política de l'editorialProbabilistic Timing Analysis (PTA) in general and its measurement-based variant called MBPTA in particular can mitigate some of the problems that impair current worst-case execution time (WCET) analysis techniques. MBPTA ... -
Measurement-based timing analysis of the AURIX caches
Kosmidis, Leonidas; Compagnin, Davide; Morales, David; Mezzetti, Enrico; Quiñones, Eduardo; Abella Ferrer, Jaume; Vardanega, Tullio; Cazorla Almeida, Francisco Javier (Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2016)
Text en actes de congrés
Accés obertCache memories are one of the hardware resources with higher potential to reduce worst-case execution time (WCET) costs for software programs with tight real-time constraints. Yet, the complexity of cache analysis has ... -
Measuring operating system overhead on CMT processors
Radojković, Petar; Cakarevic, Vladimir; Verdú Mulà, Javier; Pajuelo González, Manuel Alejandro; Gioiosa, Roberto; Cazorla Almeida, Francisco Javier; Nemirovsky, Mario; Valero Cortés, Mateo (IEEE Computer Society Publications, 2008)
Text en actes de congrés
Accés obertNumerous studies have shown that Operating System (OS) noise is one of the reasons for significant performance degradation in clustered architectures. Although many studies examine the OS noise for High Performance Computing ... -
Measuring operating system overhead on Sun UltraSparc T1 processor
Radojković, Petar; Cakarevic, Vladimir; Verdú Mulà, Javier; Pajuelo González, Manuel Alejandro; Gioiosa, Roberto; Cazorla Almeida, Francisco Javier; Nemirovsky, Mario; Valero Cortés, Mateo (2009-06)
Text en actes de congrés
Accés obertNumerous studies have shown that Operating System (OS) noise is one of the reasons for significant performance degradation in clustered architectures. Although many studies examine the OS noise for High Performance Computing, ... -
MFLUSH: handling long-latency loads in SMT on-chip multiprocessors
Acosta Ojeda, Carmelo Alexis; Cazorla Almeida, Francisco Javier; Ramírez Bellido, Alejandro; Valero Cortés, Mateo (IEEE Computer Society Publications, 2008)
Text en actes de congrés
Accés obertNowadays, there is a clear trend in industry towards employing the growing amount of transistors on chip in replicating execution cores (CMP), where each core is Simultaneous Multithreading (SMT). State-of-the-art ... -
MLP-aware dynamic cache partitioning
Moretó Planas, Miquel; Cazorla Almeida, Francisco Javier; Ramírez Bellido, Alejandro; Valero Cortés, Mateo (Institute of Electrical and Electronics Engineers (IEEE), 2007)
Comunicació de congrés
Accés obertThe limitation imposed by instruction-level parallelism (ILP) has motivated the use of thread-level parallelism (TLP) as a common strategy for improving processor performance. TLP paradigms such as simultaneous multithreading ... -
Modeling contention interference in crossbar-based systems via Sequence-Aware Pairing (SeAP)
Giesen, Jeremy; Benedicte Illescas, Pedro; Mezzetti, Enrico; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 2020)
Text en actes de congrés
Accés obertThe Infineon AURIX TriCore family of microcontrollers has consolidated as the reference multicore computing platform for safety-critical systems in the automotive domain. As a distinctive trait, AURIX microcontrollers are ... -
Modeling high-performance wormhole NoCs for critical real-time embedded systems
Panic, Milos; Hernández, Carles; Quiñones, Eduardo; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 2016)
Text en actes de congrés
Accés obertManycore chips are a promising computing platform to cope with the increasing performance needs of critical real-time embedded systems (CRTES). However, manycores adoption by CRTES industry requires understanding task's ... -
Modeling the impact of process variations in worst-case energy consumption estimation
Trilla Rodríguez, David; Hernández Luz, Carles; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 2019)
Text en actes de congrés
Accés obertThe advent of autonomous power-limited systems poses a new challenge for system verification. Powerful processors needed to enable autonomous operation, are typically power-hungry, jeopardizing battery duration. Therefore, ... -
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)
Text en actes de congrés
Accés obertIn 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 ... -
Modelling probabilistic cache representativeness in the presence of arbitrary access patterns
Milutinovic, Suzana; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 2016)
Text en actes de congrés
Accés obertMeasurement-Based Probabilistic Timing Analysis (MBPTA) is a promising powerful industry-friendly method to derive worst-case execution time (WCET) estimates as needed for critical real-time embedded systems. MBPTA performs ... -
Modelling the confidence of timing analysis for time randomised caches
Benedicte Illescas, Pedro; Kosmidis, Leonidas; Quiñones, Eduardo; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 2016)
Text en actes de congrés
Accés obertTiming is a key non-functional property in embedded real-Time systems (ERTS). ERTS increasingly require higher levels of performance that can only be sensibly provided by deploying high-performance hardware, which however ... -
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)
Text en actes de congrés
Accés obertMeasurement-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 ... -
Multi-core devices for safety-critical systems: a survey
Perez Cerrolaza, Jon; Obermaisser, Roman; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier; Grüttner, Kim; Agirre, Irune; Ahmadian, Hamidreza; Allende, Imanol (Association for Computing Machinery (ACM), 2020-09)
Article
Accés obertMulti-core devices are envisioned to support the development of next-generation safety-critical systems, enabling the on-chip integration of functions of different criticality. This integration provides multiple system-level ... -
Multi-level unified caches for probabilistically time analysable real-time systems
Kosmidis, Leonidas; Abella Ferrer, Jaume; Quiñones, Eduardo; Cazorla Almeida, Francisco Javier (IEEEXPLORE, 2013)
Text en actes de congrés
Accés restringit per política de l'editorialCaches are key resources in high-end processor architectures to increase performance. In fact, most high-performance processors come equipped with a multi-level cache hierarchy. In terms of guaranteed performance, however, ... -
NEUROPULS: NEUROmorphic energy-efficient secure accelerators based on Phase change materials aUgmented siLicon photonicS
Pavanello, Fabio; Marchand, Cedric; O’Connor, Ian; Orobtchouk, Regis; Mandorlo, Fabien; Letartre, Xavier; Cueff, Sebastien; Brando Guillaumes, Axel; Cazorla Almeida, Francisco Javier; Canal Corretger, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2023)
Text en actes de congrés
Accés obertThis special session paper introduces the Horizon Europe NEUROPULS project, which targets the development of secure and energy-efficient RISC-V interfaced neuromorphic accelerators using augmented silicon photonics technology. ...