• Performance analysis and optimization of the FFTXlib on the Intel knights landing architecture 

      Wagner, Michael; López, Victor; Morillo, Julian; Cavazzoni, Carlo; Affinito, Fabio; Gimenez, Judit; Labarta Mancho, Jesús José (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés obert
      In this paper, we address the decreasing performance of the FFTXlib, the Fast Fourier Transformation (FFT) kernel of Quantum ESPRESSO, when scaling to a full KNL node. An increased performance in the FFTXlib will likewise ...
    • Performance analysis of parallel Python applications 

      Wagner, Michael; Llort Sánchez, Germán Matias; Mercadal Melia, Estanislao; Giménez Lucas, Judit; Labarta Mancho, Jesús José (Elsevier, 2017)
      Text en actes de congrés
      Accés obert
      Python is progressively consolidating itself within the HPC community with its simple syntax, large standard library, and powerful third-party libraries for scientific computing that are especially attractive to domain ...
    • Performance analysis on the Intel Knights Landing architecture 

      Wagner, Michael; Gimenez, Judit (Barcelona Supercomputing Center, 2017-05-04)
      Text en actes de congrés
      Accés obert
      One of the emerging architectures in HPC systems is Intel’s Knights Landing (KNL) many core chip, which will also be part of BSC’s next HPC installation MareNostrum 4. KNL is the code name of the second generation of Intel ...