Exploració per tema "High Performance Computing"

Ara es mostren els items 1-20 de 23

    • A Linux Kernel scheduler extension for multi-core systems 

      Roca Nonell, Aleix (Universitat Politécnica de Catalunya, 2017-10-25)
      Projecte Final de Màster Oficial
      Accés obert
      In this thesis, it is presented a Linux kernel extension that allows a user-space application to be notified of the blocking and unblocking of its threads, making it possible for a core to execute another thread while the ...

    • Acceleració d'algoritmes de clustering mitjançant targetes gràfiques 

      Orrit Palau, Joan (Universitat Politècnica de Catalunya, 2017-06-29)
      Treball Final de Grau
      Accés obert
      En aquest projecte s'ha estudiat com es comporten diferents algoritmes de clustering amb diferents opotimitzacions de CUDA. Concretament s'han estudiat com funcionen l'algoritme k-means i k-centers amb les optimitzacions ...

    • Active measurement of memory resource consumption 

      Casas, Marc; Bronevetsky, Greg (IEEE, 2014)
      Text en actes de congrés
      Accés obert
      Hierarchical memory is a cornerstone of modern hardware design because it provides high memory performance and capacity at a low cost. However, the use of multiple levels of memory and complex cache management policies ...

    • Advanced study for the numerical resolution of the Navier-Stokes equations. Application to thermal energy storage systems 

      Sanmartí Perona, Oriol (Universitat Politècnica de Catalunya, 2022-07-19)
      Projecte Final de Màster Oficial
      Accés obert
      The resolution of the Navier Stokes equations in three dimensions in a turbulent regime applying turbulence models is studied. To accomplish this objective, it is done a brief introduction to the work done on the Final ...

    • Analysis and optimization of engines for dynamically typed languages 

      Dot Artigas, Gem; Martínez, Alejandro; González Colás, Antonio María (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Dynamically typed programming languages have become very popular in the recent years. These languages ease the task of the programmer but introduce significant overheads since assumptions about the types of variables have ...

    • Análisis comparativo de arquitecturas de MareNostrum y desarrollo de un entorno de monitorización 

      Ramos Velázquez, Felix Fernando (Universitat Politècnica de Catalunya, 2019-01-29)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Barcelona Supercomputing Center
      Los supercomputadores necesitan ser reemplazados de forma periódica, siendo el tiempo de vida habitual para una máquina de alrededor de 3 años. Esto implica la necesidad de probar el rendimiento de las nuevas máquinas ...

    • Architecture of a specialized back-end high performance computing-based PCE for flexgrid networks 

      Gifre Renom, Lluís; Velasco Esteban, Luis Domingo; Navarro, Nacho (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The requirement of executing network re-optimization operations to efficiently manage and deploy new generation flexgrid-based optical networks has brought to light the need of some specialized PCEs capable of performing ...

    • Asynchronous runtime for task-based dataflow programming models 

      Bosch Pons, Jaume (Universitat Politècnica de Catalunya, 2017-07)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Barcelona Supercomputing Center
      The importance of parallel programming is increasing year after year since the power wall popularized multi-core processors, and with them, shared memory parallel programming models. In particular, task-based programming ...

    • Autosubmit GUI: A Javascript-based Graphical User Interface to Monitor Experiments Workflow Execution 

      Uruchi, Wilmer; Castrillo, Miguel; Beltran, Daniel (Open Journals, 2021)
      Article
      Accés obert
      Autosubmit GUI is a front-end software developed using Javascript and ReactJS that aims to provide users with complex information from the workflow execution of scientific experiments (managed by Autosubmit) in any system, ...

    • Design and implementation of role-shifting threads in the LLVM runtime 

      Criado Ledesma, Joel (Universitat Politècnica de Catalunya, 2022-07-01)
      Projecte Final de Màster Oficial
      Accés obert
      Efficiency is a must in the HPC world. Supercomputers are extensively used in public research institutions, and the CPU time is limited and should be used responsibly. Users can improve their applications to that end, but ...

    • Edge-based electric field formulation in 3D CSEM simulations: A parallel approach 

      Castillo Reyes, Octavio; de la Puente Álvarez, Josep; Puzyrev, Vladimir; Cela Espín, José M. (IEEE, 2015-10)
      Text en actes de congrés
      Accés obert
      This paper presents a parallel computing scheme for the data computation that arise when applying one of the most popular electromagnetic methods in exploration geophysics, namely, controlled-source electromagnetic (CSEM). ...

    • Enhanced performance using hybrid programming models of task-based workflows and MPI 

      Elshazly, Hatem Mohamed Abdelfattah Eid; Badia Sala, Rosa Maria (Barcelona Supercomputing Center, 2020-05)
      Text en actes de congrés
      Accés obert
      While MPI [1] + X (where X is another parallel programming model) has been proposed and used by the community, we propose a hybrid programming model that combines taskbased model + MPI. Task-based workflows offer the ...

    • Evaluación y optimización de algoritmos Fast Fourier Transform en SX-Aurora NEC 

      Vizcaíno Serrano, Pablo (Universitat Politècnica de Catalunya, 2020-06)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Barcelona Supercomputing Center
      Este trabajo presenta una optimización del cálculo de la Transformada de Fou- rier para arquitecturas con vectores largos. Al ser un cálculo muy presente en una gran variedad de códigos científicos, su optimización siempre ...

    • Extension of 2D shallow water models to hydrological modelling 

      Cea, Luis; Bladé i Castellet, Ernest; García Feal, Orlando; Sanz Ramos, Marcos; Gómez Gesteira, Moncho; Farfán Durán, Juan Fernando (International Association for Hydro-Environment Engineering and Research (IAHR), 2022)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper we discuss some critical aspects that should be considered in order to extend and apply a numerical model based on the 2D shallow water equations(2D-SWE) to distributed hydrological modelling. We also detail ...

    • Game theoretic analysis of the slurm scheduler model 

      Uruchi Ticona, Wilmer (Barcelona Supercomputing Center, 2020-05)
      Text en actes de congrés
      Accés obert
      In the context of High Performance Computing, scheduling is a necessary tool to ensure that there exists acceptable quality of service for the many users of the processing power available. The scheduling process can ...

    • High performance computing for flexoelectric devices 

      Manyer Fuertes, Jordi (Universitat Politècnica de Catalunya, 2020-10)
      Projecte Final de Màster Oficial
      Accés obert
      This exiting development requires a robust mathematical and computational framework for solving flexoelectric boundary value problems, mathematically a coupled system of 4th-order partial differential equations, in general ...

    • High Performance Finite Volume Methods solver for multi-scale cell simulations 

      Estragués Muñoz, Jose Luís (Universitat Politècnica de Catalunya, 2023-10-18)
      Projecte Final de Màster Oficial
      Accés obert
      Multiscale cell simulators are among the most computationally demanding bioinformatics applications and a source of daunting challenges for supercomputing. Human digital twins require extremely massive simulations that the ...

    • Machine Learning: analysis, optimizations and evaluation of modern frameworks on HPC clusters 

      Ramírez Gargallo, Guillem (Universitat Politècnica de Catalunya, 2020-06-30)
      Treball Final de Grau
      Accés obert
      En este proyecto, exploramos el estado del arte de los frameworks de aprendizaje automático. Hemos hecho varios profilings para detectar las rutinas mas demandantes en tiempo. Hemos hecho optimizaciones orientadas a la ...

    • Optimize parallel numerical applications for climate modelling 

      Duran Abello, Oriol (Universitat Politècnica de Catalunya, 2023-06-26)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Barcelona Supercomputing Center
      Aquest projecte vol avaluar els possibles beneficis d'implementar paral·lelisme amb memòria compartida en la versió més recent del model NEMO, el qual actualment només fa servir paral·lelisme amb memòria distribuida ...

    • Optimizing execution on large-scale infrastructures by integrating task-based workflows and MPI 

      Elshazly, Hatem Mohamed Abdelfattah Eid; Lordan, Francesc; Ejarque, Jorge; Badia Sala, Rosa Maria (Barcelona Supercomputing Center, 2021-05)
      Text en actes de congrés
      Accés obert
      While MPI [1] + X (where X is another parallel programming model) has been proposed and used by the community, we propose a hybrid programming model that combines taskbased model + MPI. Task-based workflows offer the ...