Ara es mostren els items 1-20 de 30

    • A safety-critical, RISC-V SoC integrated and ASIC-ready classic McEliece accelerator 

      Kostalabros, Vatistas; Ribes González, Jordi; Farràs Ventura, Oriol; Moretó Planas, Miquel; Hernández Luz, Carles (Springer, 2024)
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      Security is an integral part of ensuring the integrity of safety-critical systems. Safety-critical systems with extremely long-lifespan, such as the ones employed in the space and automotive industry, need additional ...
    • A security model for randomization-based protected caches 

      Ribes González, Jordi; Farràs Ventura, Oriol; Hernández Luz, Carles; Kostalabros, Vatistas; Moretó Planas, Miquel (2022)
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      Cache side-channel attacks allow adversaries to learn sensitive information about co-running processes by using only access latency measures and cache contention. This vulnerability has been shown to lead to several ...
    • Accurately measuring contention in Mesh NoCs in time-sensitive embedded systems 

      Cardona Nadal, Jordi; Hernández Luz, Carles; Abella Ferrer, Jaume; Mezzetti, Enrico; Cazorla Almeida, Francisco Javier (Association for Computing Machinery (ACM), 2023-05)
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      The computing capacity demanded by embedded systems is on the rise as software implements more functionalities, ranging from best-effort entertainment functions to performance-guaranteed safety-related functions. Heterogeneous ...
    • Achieving diverse redundancy for GPU Kernels 

      Alcaide Portet, Sergi; Kosmidis, Leonidas; Hernández Luz, Carles; Abella Ferrer, Jaume (Institute of Electrical and Electronics Engineers (IEEE), 2022-04)
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      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 ...
    • An academic RISC-V silicon implementation based on open-source components 

      Abella Ferrer, Jaume; Bulla, Calvin; Cabo Pitarch, Guillem; Cazorla Almeida, Francisco Javier; Cristal Kestelman, Adrián; Doblas Font, Max; Figueras Bagué, Roger; González Trejo, Alberto; Hernández Luz, Carles; Hernández Calderón, César Alejandro; Jiménez Arador, Víctor; Kosmidis, Leonidas; Kostalampros, Ioannis-Vatistas; Langarita Benítez, Rubén; Leyva Santes, Neiel; López Paradís, Guillem; Marimon Illana, Joan; Martínez Martínez, Ricardo; Mendoza Escobar, Jonnatan; Moll Echeto, Francisco de Borja; Moretó Planas, Miquel; Pavón Rivera, Julián; Ramírez Lazo, Cristóbal; Ramírez Salinas, Marco Antonio; Rojas Morales, Carlos; Rubio Sola, Jose Antonio; Ruiz, Abraham Josafat; Sonmez, Nehir; Soria Pardos, Víctor; Teres Teres, Lluis; Unsal, Osman Sabri; Valero Cortés, Mateo; Vargas Valdivieso, Iván; Villa Vargas, Luis Alfonso (Institute of Electrical and Electronics Engineers (IEEE), 2020)
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      The design presented in this paper, called preDRAC, is a RISC-V general purpose processor capable of booting Linux jointly developed by BSC, CIC-IPN, IMB-CNM (CSIC), and UPC. The preDRAC processor is the first RISC-V ...
    • An approach for detecting power peaks during testing and breaking systematic pathological behavior 

      Trilla Rodríguez, David; Hernández Luz, Carles; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 2019)
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      The verification and validation process of embedded critical systems requires providing evidence of their functional correctness and also that their non-functional behavior stays within limits. In this work, we focus on ...
    • Cache side-channel attacks and time-predictability in high-performance critical real-time systems 

      Trilla Rodríguez, David; Hernández Luz, Carles; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier (Association for Computing Machinery (ACM), 2018-06-24)
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      Embedded computers control an increasing number of systems directly interacting with humans, while also manage more and more personal or sensitive information. As a result, both safety and security are becoming ubiquitous ...
    • Challenges in deeply heterogeneous high performance systems 

      Agosta, Giovanni; Fornaciari, William; Atienza, David; Canal Corretger, Ramon; Cilardo, Alessandro; Flich Cardo, José; Hernández Luz, Carles; Kulczewski, Michal; Massari, Giuseppe; Tornero Gavilá, Rafael; Zapater Sancho, Marina (Institute of Electrical and Electronics Engineers (IEEE), 2019)
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      RECIPE (REliable power and time-ConstraInts-aware Predictive management of heterogeneous Exascale systems) is a recently started project funded within the H2020 FETHPC programme, which is expressly targeted at exploring ...
    • DVINO: A RISC-V vector processor implemented in 65nm technology 

      Cabo Pitarch, Guillem; Candon, Gerard; Carril, Xavier; Doblas Font, Max; Dominguez de la Rocha, Marc; González Trejo, Alberto; Hernández Calderón, César Alejandro; Jiménez Arador, Víctor; Kostalampros, Ioannis-Vatistas; Langarita Benítez, Rubén; Leyva Santes, Neiel Israel; López Paradís, Guillem; Mendoza Escobar, Jonnatan; Minervini Minervini, Francesco; Pavón Rivera, Julián; Ramírez Lazo, Cristóbal; Rodas, Narcis; Reggiani, Enrico; Rodriguez, Mario; Rojas Morales, Carlos; Ruíz Ramírez, Abraham Josafat; Soria Pardos, Víctor; Vargas Valdivieso, Iván; Figueras Bagué, Roger; Fontova, Pau; Marimon Illana, Joan; Montabes, Víctor; Cristal Kestelman, Adrián; Hernández Luz, Carles; Moretó Planas, Miquel; Moll Echeto, Francisco de Borja; Palomar Pérez, Óscar; Rubio Sola, Jose Antonio; Sonmez, Nehir; Unsal, Osman Sabri; Valero Cortés, Mateo (Institute of Electrical and Electronics Engineers (IEEE), 2022)
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      This paper describes the design, verification, implementation and fabrication of the Drac Vector IN-Order (DVINO) processor, a RISC-V vector processor capable of booting Linux jointly developed by BSC, CIC-IPN, IMB-CNM ...
    • Enabling hardware randomization across the cache hierarchy in Linux-Class processors 

      Doblas, Max; Kostalampros, Ioannis-Vatistas; Moretó Planas, Miquel; Hernández Luz, Carles (2020)
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      The most promising secure-cache design approaches use cache-set randomization to index cache contents thus thwarting cache side-channel attacks. Unfortunately, existing randomization proposals cannot be sucessfully applied ...
    • 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)
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      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 ...
    • EOmesh: combined flow balancing and deterministic routing for reduced WCET estimates in embedded real-time systems 

      Cardona Nadal, Jordi; Abella Ferrer, Jaume; Hernández Luz, Carles; Cazorla Almeida, Francisco Javier (2018-07-17)
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      The increasing performance needs in critical real-time embedded systems (CRTES) can only be satisfied with the use of high-performance manycore processors. While NoC-based manycore systems are popular in the high-performance ...
    • High-integrity GPU designs for critical real-time automotive systems 

      Alcaide, Sergi; Kosmidis, Leonidas; Hernández Luz, Carles; Abella Ferrer, Jaume (Barcelona Supercomputing Center, 2019-05-07)
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    • HLS-based HW/SW co-design of the post-quantum classic McEliece cryptosystem 

      Kostalabros, Vatistas; Ribes González, Jordi; Farràs Ventura, Oriol; Moretó Planas, Miquel; Hernández Luz, Carles (Institute of Electrical and Electronics Engineers (IEEE), 2021)
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      While quantum computers are rapidly becoming more powerful, the current cryptographic infrastructure is imminently threatened. In a preventive manner, the U.S. National Institute of Standards and Technology (NIST) has ...
    • Locality-aware cache random replacement policies 

      Benedicte Illescas, Pedro; Hernández Luz, Carles; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier (2019-02-01)
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      Measurement-Based Probabilistic Timing Analysis (MBPTA) facilitates the analysis of complex software running on hardware comprising high-performance features. MBPTA also aims at preventing additional analysis costs for ...
    • 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)
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      The 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, ...
    • NoCo: ILP-based worst-case contention estimation for mesh real-time manycores 

      Cardona Nadal, Jordi; Hernández Luz, Carles; Mezzetti, Enrico; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier (IEEE, 2019-01-07)
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      Manycores are capable of providing the computational demands required by functionally-advanced critical applications in domains such as automotive and avionics. In manycores a network-on-chip (NoC) provides access to shared ...
    • Predictive reliability and fault management in exascale systems: State of the art and perspectives 

      Canal Corretger, Ramon; Hernández Luz, Carles; Tornero Gavilá, Rafael; Cilardo, Alessandro; Massari, Giuseppe; Reghenzani, Federico; Fornaciari, William; Zapater Sancho, Marina; Atienza, David; Oleksiak, Ariel; Wojciech Piatek, Poznan; Abella Ferrer, Jaume (2020-09)
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      Performance and power constraints come together with Complementary Metal Oxide Semiconductor technology scaling in future Exascale systems. Technology scaling makes each individual transistor more prone to faults and, due ...
    • Randomization for safer, more reliable and secure, high-performance automotive processors 

      Trilla Rodríguez, David; Cazorla Almeida, Francisco Javier; Hernández Luz, Carles; Abella Ferrer, Jaume (Institute of Electrical and Electronics Engineers (IEEE), 2019-12)
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      The automotive domain is witnessing a relentless transition to autonomous cars demanding high-performance processors to timely execute complex, critical, decision-making software. The other side of the coin is that ...
    • RPR: a random replacement policy with limited pathological replacements 

      Benedicte Illescas, Pedro; Hernández Luz, Carles; Abella Ferrer, Jaume; Cazorla Almeida, Francisco Javier (Association for Computing Machinery (ACM), 2018)
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      Measurement-Based Probabilistic Timing Analysis (MBPTA) has consolidated as a technique to estimate probabilistic Worst-Case Execution Times (WCET) for critical software running on processors with high-performance hardware ...