Recent Submissions

  • Sargantana: an academic SoC RISC-V processor in 22nm FDSOI technology 

    Doblas Font, Max; Candón Arenas, Gerard; Carril Gil, Xavier; Dominguez de la Rocha, Marc; Erra, Enric; González Trejo, Alberto; Jiménez, Víctor; Kostalampros, Ioannis-Vatistas; Langarita Benítez, Rubén; Leyva Santes, Neiel; López Paradís, Guillem; Mendoza Escobar, Jonnatan; Oltra Oltra, Josep Angel; Pavón Rivera, Julián; Ramírez Lazo, Cristóbal; Rodas Quiroga, Narcís; Reggiani, Enrico; Rodriguez, Mario; Rojas Morales, Carlos; Ruiz Ramirez, Abraham Josafat; Safadi Figueroa, Hugo Ernesto; Soria Pardos, Víctor; Vargas Valdivieso, Iván; Arreza, Fernando; Figueras Bagué, Roger; Fontova Muste, Pau; Marimon Illana, Joan; Aragonès Cervera, Xavier; Cristal Kestelman, Adrián; Mateo Peña, Diego; Moll Echeto, Francisco de Borja; Moreto Planas, Miquel; Palomar Pérez, Óscar; Sonmez, Nehir; Unsal, Osman Sabri; Valero Cortés, Mateo (Institute of Electrical and Electronics Engineers (IEEE), 2023)
    Conference lecture
    Open Access
    This paper describes the Sargantana System on chip (SoC), a 64-bit RISC-V single core processor designed by a number of academic institutions and manufactured in 22 nm FDSOI technology: BSC, UPC, UB, UAB, CIC-IPN and IMB-CNM ...
  • FPGA framework improvements for HPC applications 

    Filgueras Izquierdo, Antonio; Vidal Piñol, Miquel; Jiménez González, Daniel; Álvarez Martínez, Carlos; Martorell Bofill, Xavier (Institute of Electrical and Electronics Engineers (IEEE), 2023)
    Conference report
    Open Access
    In modern FPGA devices, place and route has become an increasingly difficult task due to an increase in resources and device complexity. This results in an exponential increase of implementation possibilities. Such a huge ...
  • METASAT: Modular model-based design and testing for applications in satellites 

    Kosmidis, Leonidas; Calderón, Alejandro J.; Álvarez Suárez, Aridane; Sinisi, Stefano; Jover Álvarez, Álvaro; Rodríguez Ferrández, Iván; Solé i Bonet, Marc; Trompouki, Matina Maria; Wolf, Jannis (Springer, 2023)
    Conference report
    Restricted access - publisher's policy
    The space domain, as many other sectors, is actively considering novel methods and tools based on artificial intelligence, digital twins, virtual design and testing, and other Industry 4.0 concepts, in order to manage the ...
  • Worst case execution time and power estimation of multicore and GPU software: a pedestrian detection use case 

    Rodríguez Ferrández, Iván; Jover Álvarez, Álvaro; Trompouki, Matina Maria; Kosmidis, Leonidas; Cazorla Almeida, Francisco Javier (Association for Computing Machinery (ACM), 2023)
    Conference lecture
    Open Access
    Worst Case Execution Time estimation of software running on parallel platforms is a challenging task, due to resource interference of other tasks and the complexity of the underlying CPU and GPU hardware architectures. ...
  • WFAsic: A high-performance ASIC accelerator for DNA sequence alignment on a RISC-V SoC 

    Haghi, Abbas; Álvarez Martí, Lluc; Fornt Mas, Jordi; Haro Ruiz, Juan Miguel de; Figueras Bagué, Roger; Doblas Font, Max; Marco Sola, Santiago; Moreto Planas, Miquel (Association for Computing Machinery (ACM), 2023)
    Conference report
    Open Access
    The ever-increasing yields in genome sequence data production pose a computational challenge to current genome sequence analysis tools, jeopardizing the future of personalized medicine. Leveraging hardware accelerators ...
  • Distributed architecture supporting intelligent optical measurement aggregation and streaming event telemetry 

    González Pacheco, Pol; Casellas Regi, Ramon; Pedreno Manresa, José Juan; Autenrieth, Achim; Boitier, Fabien; Shariati, Mohammad Behnam; Fischer, Johannes Karl; Ruiz Ramírez, Marc; Comellas Colomé, Jaume; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2023)
    Conference report
    Open Access
    A distributed telemetry system integrating optical measurement and event data collection is demonstrated. Measurements of optical spectra from Nokia Bell Labs, of optical transponders from ADVA and SDN controller events ...
  • Experimental validation of deep learning-based models for optical time domain analysis 

    Devigili, Mariano; Sequeira, Diogo Gonçalo; Santos, Caio; Ruiz Ramírez, Marc; Shariati, Mohammad Behnam; Costa, Nelson; Napoli, Antonio; Fischer, Johannes Karl; Pedro, João; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2023)
    Conference lecture
    Open Access
    Optical constellations generated by Deep Learning models trained with datasets generated through simulation are compared to experimentally collected ones. The obtained high accuracy enables its application for optical time ...
  • Evaluation of the multicore performance capabilities of the next generation flight computers 

    Solé i Bonet, Marc; Wolf, Jannis; Rodríguez Ferrández, Iván; Jover Álvarez, Álvaro; Trompouki, Matina Maria; Kosmidis, Leonidas; Steenari, David (2023)
    Conference report
    Open Access
    Multicore architectures are currently under adoption in the aerospace domain, however their software remains single-threaded. In this paper we argue about the benefits offered by homogeneous parallel processing, both in ...
  • OpenPiton optimizations towards high performance manycores 

    Leyva Santes, Neiel Israel; Monemi, Alireza; Oliete Escuín, Noelia; López Paradís, Guillem; Abancens Calvo, Xabier; Balkind, Jonathan; Vallejo Gutiérrez, Enrique; Moreto Planas, Miquel; Álvarez Martí, Lluc (Association for Computing Machinery (ACM), 2023)
    Conference report
    Open Access
    In recent years, numerous multicore RISC-V platforms have emerged. Within the RISC-V ecosystem, Networks-on-Chip (NoCs) such as OpenPiton are employed in designs that aim to scale to a large number of cores. This paper ...
  • Short reasons for long vectors in HPC CPUs: a study based on RISC-V 

    Vizcaíno Serrano, Pablo; Ieronymakis, Georgios; Dimou, Nikolaus; Papaefstathiou, Vassilis; Labarta Mancho, Jesús José; Mantovani, Filippo (Association for Computing Machinery (ACM), 2023)
    Conference report
    Open Access
    For years, SIMD/vector units have enhanced the capabilities of modern CPUs in High-Performance Computing (HPC) and mobile technology. Typical commercially-available SIMD units process up to 8 double-precision elements with ...
  • Energy efficient object detection for automotive applications with YOLOv3 and approximate hardware 

    Fornt Mas, Jordi; Fontova Muste, Pau; Caro Roca, Martí; Abella Ferrer, Jaume; Moll Echeto, Francisco de Borja; Altet Sanahujes, Josep; Rubio Sola, Jose Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2023)
    Conference report
    Open Access
    Deep neural networks are the dominant models for perception tasks in the automotive domain, but their high computational complexity makes it difficult to execute them in real time with an acceptable power consumption on ...
  • Accelerating SpMV on FPGAs through block-row compress: a task-based approach 

    Oliver Segura, José; Álvarez Martínez, Carlos; Cervero García, Teresa; Martorell Bofill, Xavier; Davis, John D.; Ayguadé Parra, Eduard (Institute of Electrical and Electronics Engineers (IEEE), 2023)
    Conference lecture
    Open Access
    Sparse Matrix-Vector multiplication (SpMV), computing y=α⋅A×x+β⋅y where y,x are dense vectors, α,β two scalar constants, and A is a sparse matrix, is a key kernel in many HPC applications. It exhibits a kind of memory ...

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