Now showing items 1-20 of 34

    • A generic performance analysis technique applied to different CFD methods for HPC 

      Garcia Gasulla, Marta; Banchelli Gracia, Fabio; Peiró Conde, Kilian; Ramírez Gargallo, Guillem; Houzeaux, Guillaume; Hassan Saïdi, Ismaïl Ben; Tenaud, Christian; Spisso, Ivan; Mantovani, Filippo (Taylor & Francis, 2020-07-16)
      Article
      Open Access
      For complex engineering and scientific applications, Computational Fluid Dynamics (CFD) simulations require a huge amount of computational power. As such, it is of paramount importance to carefully assess the performance ...
    • Accelerating FFT using NEC SX-Aurora vector engine 

      Vizcaíno Serrano, Pablo; Mantovani, Filippo; Labarta Mancho, Jesús José (Springer, 2021)
      Conference report
      Open Access
      Novel architectures leveraging long and variable vector lengths like the NEC SX-Aurora or the vector extension of RISCV are appearing as promising solutions on the supercomputing market. These architectures often require ...
    • Acceleration with long vector architectures: Implementation and evaluation of the FFT kernel on NEC SX-Aurora and RISC-V vector extension 

      Vizcaíno Serrano, Pablo; Mantovani, Filippo; Ferrer Ibañez, Roger; Labarta Mancho, Jesús José (Wiley (John Wiley & Sons), 2023-09-10)
      Article
      Open Access
      Novel architectures leveraging long and variable vector lengths like the NEC SX-Aurora or the vector extension of RISCV are appearing as promising solutions on the supercomputing market. These architectures often require ...
    • Advanced Performance Analysis of HPC Workloads on Cavium ThunderX 

      Calore, Enrico; Mantovani, Filippo; Ruiz, Daniel (IEEE, 2018)
      Conference lecture
      Open Access
      The interest towards Arm based platforms as HPC solutions increased significantly during the last 5 years. In this paper we show that, in contrast to the early days of pioneer tests, several application performance analysis ...
    • Asymmetric HMMs for online ball-bearing health assessments 

      Puerto Santana, Carlos; Bielza Lozoya, Concha; Díaz Rozo, Javier; Ramírez Gargallo, Guillem; Mantovani, Filippo; Virumbrales, Gaizka; Labarta Mancho, Jesús José; Larrañaga Mugica, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2022-10-15)
      Article
      Open Access
      The degradation of critical components inside large industrial assets, such as ball-bearings, has a negative impact on production facilities, reducing the availability of assets due to an unexpectedly high failure rate. ...
    • Benchmarking of state-of-the-art HPC clusters with a production CFD code 

      Banchelli Gracia, Fabio; Garcia Gasulla, Marta; Houzeaux, Guillaume; Mantovani, Filippo (Association for Computing Machinery (ACM), 2020)
      Conference report
      Open Access
      Computing technologies populating high-performance computing (HPC) clusters are getting more and more diverse, offering a wide range of architectural features. As a consequence, efficient programming of such platforms ...
    • Cluster of emerging technology: evaluation of a production HPC system based on A64FX 

      Banchelli Gracia, Fabio; Peiró Conde, Kilian; Ramírez Gargallo, Guillem; Vinyals Ylla-Català, Joan; Vicente Dorca, David; Garcia Gasulla, Marta; Mantovani, Filippo (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Conference report
      Open Access
      Clusters of emerging technologies are appearing with more and more frequency in HPC. After years of skepticism, data-centers are adopting them as production systems thanks to several geopolitical and technological factors. ...
    • Computational Fluid and Particle Dynamics Simulations for Respiratory System: Runtime Optimization on an Arm Cluster 

      Garcia-Gasulla, Marta; Josep-Fabrego, Marc; Eguzkitza, Beatriz; Mantovani, Filippo (Association for Computing Machinery (ACM), 2018-08-13)
      Conference lecture
      Open Access
      Computational fluid and particle dynamics simulations (CFPD) are of paramount importance for studying and improving drug effectiveness. Computational requirements of CFPD codes involves high-performance computing (HPC) ...
    • Containers in HPC: a scalability and portability study in production biological simulations 

      Rudyy, Oleksandr; Garcia Gasulla, Marta; Mantovani, Filippo; Santiago, Alfonso; Sirvent Pardell, Raül; Vázquez, Mariano (Barcelona Supercomputing Center, 2019-05-07)
      Conference report
      Open Access
    • CoreNEURON: Performance and Energy Efficiency Evaluation on Intel and Arm CPUs 

      Criado, Joel; Garcia Gasulla, Marta; Kumbhar, Pramod; Awile, Omar; Magkanaris, Ioannis; Mantovani, Filippo (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Conference lecture
      Open Access
      The simulation of detailed neuronal circuits is based on computationally expensive software simulations and requires access to a large computing cluster. The appearance of new Instruction Set Architectures (ISAs) in most ...
    • Design Space Exploration of Next-Generation HPC Machines 

      Gómez, Constantino; Martínez, Francesc; Armejach, Adrià; Moretó, Miquel; Mantovani, Filippo; Casas, Marc (2019)
      Research report
      Open Access
      The landscape of High Performance Computing (HPC) system architectures keeps expanding with new technologies and increased complexity. With the goal of improving the efficiency of next-generation large HPC systems, ...
    • Design space exploration of next-generation HPC machines 

      Gómez Crespo, Constantino; Martínez Palau, Francesc; Armejach Sanosa, Adrià; Moretó Planas, Miquel; Mantovani, Filippo; Casas, Marc (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference report
      Restricted access - confidentiality agreement
      The landscape of High Performance Computing (HPC) system architectures keeps expanding with new technologies and increased complexity. With the goal of improving the efficiency of next-generation large HPC systems, designers ...
    • Efficient CFD code implementation for the ARM-based Mont-Blanc architecture 

      Oyarzun Altamirano, Guillermo; Borrell Pol, Ricard; Gorobets, Andrei; Mantovani, Filippo; Oliva Llena, Asensio (Elsevier, 2017-09-20)
      Article
      Open Access
      Since 2011, the European project Mont-Blanc has been focused on enabling ARM-based technology for HPC, developing both hardware platforms and system software. The latest Mont-Blanc prototypes use system-on-chip (SoC) devices ...
    • Efficient CFD code implementation for the ARM-based Mont-Blanc architecture 

      Oyarzun Altamirano, Guillermo; Borrell Pol, Ricard; Gorobets, Andrei; Mantovani, Filippo; Oliva Llena, Asensio (Elsevier, 2018-02)
      Article
      Open Access
      Since 2011, the European project Mont-Blanc has been focused on enabling ARM-based technology for HPC, developing both hardware platforms and system software. The latest Mont-Blanc prototypes use system-on-chip (SoC) devices ...
    • Efficiently running SpMV on long vector architectures 

      Gómez Crespo, Constantino; Mantovani, Filippo; Focht, Erich; Casas, Marc (Association for Computing Machinery (ACM), 2021)
      Conference report
      Restricted access - publisher's policy
      Sparse Matrix-Vector multiplication (SpMV) is an essential kernel for parallel numerical applications. SpMV displays sparse and irregular data accesses, which complicate its vectorization. Such difficulties make SpMV to ...
    • Energy Analysis of a 4D Variational Data Assimilation Algorithm and Evaluation on ARM-Based HPC Systems 

      Arcucci, Rossella; Basciano, Davide; Cilardo, Alessandro; D'Amore, Luisa; Mantovani, Filippo (Springer, 2018-03-23)
      Conference lecture
      Open Access
      Driven by the emerging requirements of High Performance Computing (HPC) architectures, the main focus of this work is the interplay of computational and energetic aspects of a Four Dimensional Variational (4DVAR) Data ...
    • Exploration of architectural parameters for future HPC systems 

      Gómez, Constantino; Martínez, Francesc; Armejach Sanosa, Adrià; Casas, Marc; Mantovani, Filippo; Moretó Planas, Miquel (Barcelona Supercomputing Center, 2019-05-07)
      Conference report
      Open Access
    • Filling the gap between education and industry: evidence-based methods for introducing undergraduate students to HPC 

      Mantovani, Filippo; Banchelli, Fabio (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference lecture
      Open Access
      Educational institutions provide in most cases basic theoretical background covering several computational science topics, however High Performance Computing (HPC) and Parallel and Distributed Computing (PDC) markets require ...
    • Implementation of the K-Means Algorithm on Heterogeneous Devices: A Use Case Based on an Industrial Dataset 

      Xu, Ying hao; Vidal, Miquel; Arejita, Beñat; Diaz, Javier; Alvarez, Carlos; Jiménez González, Daniel; Martorell Bofill, Xavier; Mantovani, Filippo (IOS Press, 2018)
      Conference lecture
      Open Access
      This paper presents and analyzes a heterogeneous implementation of an industrial use case based on K-means that targets symmetric multiprocessing (SMP), GPUs and FPGAs. We present how the application can be optimized from ...
    • Is Arm software ecosystem ready for HPC? 

      Banchelli Gracia, Fabio F.; Ruiz, Daniel; Hao Xu Lin, Ying; Mantovani, Filippo (2017-11-14)
      Conference lecture
      Open Access
      In recent years, the HPC community has increasingly grown its interest towards the Arm architecture with research projects targeting primarily the installation of Arm-based clusters. State of the art research project ...