Enviaments recents

  • Characterizing and improving the performance of many-core task-based parallel programming runtimes 

    Bosch, Jaume; Tan, Xubin; Álvarez Martínez, Carlos; Jiménez González, Daniel; Martorell Bofill, Xavier; Ayguadé Parra, Eduard (2017)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Parallel task-based programming models like OpenMP support the declaration of task data dependences. This information is used to delay the task execution until the task data is available. The dependences between tasks are ...
  • Development of a small UAS helicopter for remote sensing operations 

    Royo Chic, Pablo; Barrado Muxí, Cristina; Cuadrado Santolaria, Raúl; Pastor Llorens, Enric; Barrao, Félix; Garcia, Antonio (2016)
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    This paper describes the integration process developing a UAS helicopter from single airframe to become a complete UAS platform for remote sensing applications. The airframe selected was the model AF30 from the Copterworks ...
  • Millimeter-wave propagation within a computer chip package 

    Timoneda, Xavier; Abadal Cavallé, Sergi; Cabellos Aparicio, Alberto; Manessis, Dionyssios; Zhou, Jin; Franques, Antonio; Torrellas, Josep; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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    Accés obert
    Wireless Network-on-Chip (WNoC) appears as a promising alternative to conventional interconnect fabrics for chip-scale communications. The WNoC paradigm has been extensively analyzed from the physical, network and architecture ...
  • Programmable metasurfaces: state of the art and prospects 

    Liu, Fu; Pitilakis, Alexandros; Mirmoosa, Mohammad Sajjad; Tsilipakos, Odysseas; Wang, Xuchen; Tasolamprou, Anna; Abadal Cavallé, Sergi; Cabellos Aparicio, Alberto; Alarcón Cot, Eduardo José; Liaskos, Christos; Kantartzis, Nikolaos V.; Kafesaki, Maria; Economou, Eleftherios; Soukoulis, Costas; Tretyakov, Sergei (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Text en actes de congrés
    Accés obert
    Metasurfaces, ultrathin and planar electromagnetic devices with sub-wavelength unit cells, have recently attracted enormous attention for their powerful control over electromagnetic waves, from microwave to visible range. ...
  • Intercell wireless communication in software-defined metasurfaces 

    Tasolamprou, Anna; Mirmoosa, Mohammad Sajjad; Tsilipakos, Odysseas; Pitilakis, Alexandros; Liu, Fu; Abadal Cavallé, Sergi; Cabellos Aparicio, Alberto; Alarcón Cot, Eduardo José; Liaskos, Christos; Kantartzis, Nikolaos V.; Tretyakov, Sergei; Kafesaki, Maria; Economou, Eleftherios; Soukoulis, Costas (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Text en actes de congrés
    Accés obert
    Tunable metasurfaces are ultra-thin, artificial electromagnetic components that provide engineered and externally adjustable functionalities. The programmable metasurface, the HyperSurFace, concept consists in integrating ...
  • Spoofing prevention via RF power profiling in wireless network-on-chip 

    Lebiednik, Brian; Abadal Cavallé, Sergi; Kwon, Hyoukjun; Krishna, Tushar (Association for Computing Machinery (ACM), 2018)
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    With increasing integration in SoCs, the Network-on-Chip (NoC) connecting of cores and accelerators is of paramount importance to provide low-latency and high-throughput communication. Due to limits of scaling of electrical ...
  • Skip RNN: learning to skip state updates in recurrent neural networks 

    Campos Camunez, Victor; Jou, Brendan; Giró Nieto, Xavier; Torres Viñals, Jordi; Chang, Shih-Fu (2018)
    Comunicació de congrés
    Accés obert
    Recurrent Neural Networks (RNNs) continue to show outstanding performance in sequence modeling tasks. However, training RNNs on long sequences often face challenges like slow inference, vanishing gradients and difficulty ...
  • The EDINSOST project. Training sustainability change agents in Spanish and Catalan Engineering Education. 

    Segalàs Coral, Jorge; Sánchez Carracedo, Fermín; Hernández Gómez, M. Angeles; Busquets Rubio, Pere; Tejedor Papell, Gemma; Horta Bernús, Ricard (2018)
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  • A template system for the efficient compilation of domain abstractions onto reconfigurable computers 

    Shafiq, Muhammad; Pericàs Gleim, Miquel; Ayguadé Parra, Eduard (2011)
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    Past research has addressed the issue of using FPGAs as accelerators for HPC systems. However, writing low level code for an efficient, portable and scalable architecture altogether has been always a ...
  • Productive cluster programming with OmpSs 

    Bueno Hedo, Javier; Martinell, Lluis; Duran Gonzalez, Alejandro; Farreras Esclusa, Montserrat; Martorell Bofill, Xavier; Badia Sala, Rosa Maria; Ayguadé Parra, Eduard; Labarta Mancho, Jesús José (Springer, 2011)
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    Clusters of SMPs are ubiquitous. They have been traditionally programmed by using MPI. But, the productivity of MPI programmers is low because of the complexity of expressing parallelism and communication, and the difficulty ...
  • Bringing data analytics to the network nodes 

    Pérez Vela, Alba; Via Baraldés, Anna; Ruiz Ramírez, Marc; Velasco Esteban, Luis Domingo (VDE-Verlag, 2016)
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    Monitoring every 15 minutes imposes long traffic anomaly detection times and thus, the monitoring frequency needs to be increased to reduce those times, which entails large amount of monitoring data collected. Consequently, ...
  • Phoneme recognition with statistical modeling of the prediction error of neural networks 

    Freitag, Fèlix; Monte Moreno, Enrique (International Speech Communication Association (ISCA), 1998)
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    Accés obert
    This paper presents a speech recognition system which incorporates predictive neural networks. The neural networks are used to predict observation vectors of speech. The prediction error vectors are modeled on the state ...

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