Ara es mostren els items 15-34 de 47

    • El impacto de eliminar el examen final 

      Llosa Espuny, José Francisco; Álvarez Martínez, Carlos; Fernández Jiménez, Agustín; Sánchez Carracedo, Fermín (2016-09)
      Article
      Accés obert
      Desde hace algún tiempo se publican en JENUI artículos donde se argumenta sobre la conveniencia de eliminar el examen final como forma de fomentar el trabajo del estudiante durante todo el curso. Convencidos de lo apropiado ...
    • Enabling HW-based task scheduling in large multicore architectures 

      Morais, Lucas Henrique; Álvarez Martínez, Carlos; Jiménez González, Daniel; Haro Ruiz, Juan Miguel de; Araujo, Guido; Frank, Michael; Goldman, Alfredo; Martorell Bofill, Xavier (Institute of Electrical and Electronics Engineers (IEEE), 2024-01)
      Article
      Accés obert
      Dynamic Task Scheduling is an enticing programming model aiming to ease the development of parallel programs with intrinsically irregular or data-dependent parallelism. The performance of such solutions relies on the ability ...
    • Evaluación formativa con feedback rápido usando mandos interactivos 

      Álvarez Martínez, Carlos; Llosa Espuny, José Francisco (Universidade de Santiago de Compostela. Escola Técnica Superior d'Enxeñaría, 2010-07-07)
      Comunicació de congrés
      Accés obert
      Numerosos estudios han demostrado que el uso del feedback como herramienta docente resulta beneficioso para el aprendizaje. Para que este feedback sea útil debe ser rápido, es decir, llegar al alumno poco después de ...
    • Exploiting parallelism on GPUs and FPGAs with OmpSs 

      Bosch Pons, Jaume; Filgueras Izquierdo, Antonio; Vidal, Miquel; Jiménez González, Daniel; Álvarez Martínez, Carlos; Martorell, Xavier (Association for Computing Machinery (ACM), 2017)
      Text en actes de congrés
      Accés obert
      This paper presents the OmpSs approach to deal with heterogeneous programming on GPU and FPGA accelerators. The OmpSs programming model is based on the Mercurium compiler and the Nanos++ runtime. Applications are annotated ...
    • Fast evaluation methodology for automatic custom hardware prototyping 

      González, Cecilia; Jiménez González, Daniel; Martorell Bofill, Xavier; Álvarez Martínez, Carlos; Gaydadjiev, Georgi (2009-06)
      Text en actes de congrés
      Accés obert
      Hardware customization for scientific applications has shown a big potential for reducing power consumption and increasing performance. In particular, the automatic generation of ISA extensions for General-Purpose Processors ...
    • FPGA framework improvements for HPC applications 

      Filgueras Izquierdo, Antonio; Vidal, Miquel; Jiménez González, Daniel; Álvarez Martínez, Carlos; Martorell Bofill, Xavier (Institute of Electrical and Electronics Engineers (IEEE), 2023)
      Text en actes de congrés
      Accés obert
      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 ...
    • Fuzzy memoization for floating-point multimedia applications 

      Álvarez Martínez, Carlos; Corbal San Adrián, Jesús; Valero Cortés, Mateo (2005-07)
      Article
      Accés obert
      Instruction memoization is a promising technique to reduce the power consumption and increase the performance of future low-end/mobile multimedia systems. Power and performance efficiency can be improved by reusing instances ...
    • Heterogeneous tasking on SMP/FPGA SoCs: The case of OmpSs and the Zynq 

      Filgueras Izquierdo, Antonio; Gil Blasco, Eduard; Álvarez Martínez, Carlos; Jiménez González, Daniel; Martorell Bofill, Xavier; Langer, Jan; Noguera Serra, Juan José (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      OmpSs is a directive-based programming model that uses OpenMP-like directives, that allow to execute the tasks annotated on both the SMPs and as FPGA kernels on modern SoC processors, like the Xilinx Zynq platform. OmpSs ...
    • High performance computing PP-distance algorithms to generate X-ray spectra from 3D models 

      González Griñán, César; Balocco, Simone; Bosch Pons, Jaume; Haro Ruiz, Juan Miguel de; Paolini, Maurizio; Filgueras Izquierdo, Antonio; Álvarez Martínez, Carlos; Pons, Ramon (Multidisciplinary Digital Publishing Institute (MDPI), 2022-09-27)
      Article
      Accés obert
      X-ray crystallography is a powerful method that has significantly contributed to our understanding of the biological function of proteins and other molecules. This method relies on the production of crystals that, however, ...
    • El Impacto de eliminar el examen final 

      Llosa Espuny, José Francisco; Álvarez Martínez, Carlos; Fernández Jiménez, Agustín; Sánchez Carracedo, Fermín (Universidad de Almería, 2016-07-06)
      Comunicació de congrés
      Accés obert
      Desde hace algún tiempo se publican en JENUI artículos donde se argumenta sobre la conveniencia de eliminar el examen final como forma de fomentar el trabajo del estudiante durante todo el curso. Convencidos de lo apropiado ...
    • Initial results on fuzzy floating point computation for multimedia processors 

      Álvarez Martínez, Carlos; Corbal San Adrián, Jesús; Salamí San Juan, Esther; Valero Cortés, Mateo (2002-01)
      Article
      Accés obert
      During the recent years, the market of mid/low-end portable systems such as PDAs or mobile digital phones have experimented a revolution in both selling volume and features as handheld devices incorporate Multimedia ...
    • LEGaTO: Low-energy, secure, and resilient toolset for heterogeneous computing 

      Salami, Behzad; Parasyris, Konstantinos; Cristal Kestelman, Adrián; Unsal, Osman Sabri; Martorell Bofill, Xavier; Carpenter, Paul Matthew; De la Cruz Martínez, Raul; Bautista Gomez, Leonardo; Jiménez González, Daniel; Álvarez Martínez, Carlos; Nabavilarimi, Seyed Saber; Madonar Soria, Sergi (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Text en actes de congrés
      Accés obert
      The LEGaTO project leverages task-based programming models to provide a software ecosystem for Made in-Europe heterogeneous hardware composed of CPUs, GPUs, FPGAs and dataflow engines. The aim is to attain one order of ...
    • Mamá, de mayor quiero ser ingeniero/a en informática 

      López Álvarez, David; Cruz Díaz, Josep Llorenç; Álvarez Martínez, Carlos; Fernández Jiménez, Agustín; Sánchez Carracedo, Fermín (Universidade de Santiago de Compostela. Escola Técnica Superior d'Enxeñaría, 2010-07-07)
      Comunicació de congrés
      Accés obert
      El número de estudiantes que se matriculan en Ingeniería Informática no ha dejado de disminuir en los últimos años. Sin embargo, la demanda de profesionales no deja de crecer. Los autores de este trabajo pensamos que el ...
    • Metodologí­a para la generación y evaluación automática de hardware específico 

      González, Cecilia; Jiménez González, Daniel; Martorell Bofill, Xavier; Álvarez Martínez, Carlos; Gaydadjiev, Georgi (2009-09)
      Text en actes de congrés
      Accés obert
      En el área de la bioinformática podemos encontrar aplicaciones que suponen un reto para el diseño de nuevas arquitecturas de procesadores en términos de rendimiento, ya que sus características difieren de las de las ...
    • MInGLE: An efficient framework for domain acceleration using low-power specialized functional units 

      González Álvarez, Cecilia Noemí; Sartor, Jennifer B.; Álvarez Martínez, Carlos; Jiménez González, Daniel; Eeckhout, Lieven (2016-06)
      Article
      Accés obert
      The end of Dennard scaling leads to new research directions that try to cope with the utilization wall in modern chips, such as the design of specialized architectures. Processor customization utilizes transistors more ...
    • OmpSs@cloudFPGA: An FPGA task-based programming model with message passing 

      Haro Ruiz, Juan Miguel de; Cano, Rubén; Álvarez Martínez, Carlos; Jiménez González, Daniel; Martorell Bofill, Xavier; Ayguadé Parra, Eduard; Labarta Mancho, Jesús José; Abel, François; Ringlein, Burkhard; Weiss, Beat (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Text en actes de congrés
      Accés obert
      Nowadays, a new parallel paradigm for energy-efficient heterogeneous hardware infrastructures is required to achieve better performance at a reasonable cost on high-performance computing applications. Under this new paradigm, ...
    • OmpSs@FPGA framework for high performance FPGA computing 

      Haro Ruiz, Juan Miguel de; Bosch Pons, Jaume; Filgueras Izquierdo, Antonio; Vidal, Miquel; Jiménez González, Daniel; Álvarez Martínez, Carlos; Martorell Bofill, Xavier; Ayguadé Parra, Eduard; Labarta Mancho, Jesús José (Institute of Electrical and Electronics Engineers (IEEE), 2021-12-01)
      Article
      Accés obert
      This paper presents the new features of the OmpSs@FPGA framework. OmpSs is a data-flow programming model that supports task nesting and dependencies to target asynchronous parallelism and heterogeneity. OmpSs@FPGA is the ...
    • OmpSs@Zynq All-Programmable SoC Ecosystem 

      Filgueras Izquierdo, Antonio; Gil Blasco, Eduard; Jiménez González, Daniel; Álvarez Martínez, Carlos; Martorell Bofill, Xavier; Langer, Jan; Noguera Serra, Juan José; Vissers, Kees (Association for Computing Machinery (ACM), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      OmpSs is an OpenMP-like directive-based programming model that includes heterogeneous execution (MIC, GPU, SMP, etc.) and runtime task dependencies management. Indeed, OmpSs has largely influenced the recently appeared ...
    • Performance analysis of a hardware accelerator of dependence management for taskbased dataflow programming models 

      Tan, Xubin; Bosch Pons, Jaume; Jiménez González, Daniel; Álvarez Martínez, Carlos; Ayguadé Parra, Eduard; Valero Cortés, Mateo (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
      Accés obert
      Along with the popularity of multicore and manycore, task-based dataflow programming models obtain great attention for being able to extract high parallelism from applications without exposing the complexity to programmers. ...
    • Picos: A hardware runtime architecture support for OmpSs 

      Yazdanpanah Ahmadabadi, Fahimeh; Álvarez Martínez, Carlos; Jiménez González, Daniel; Badia Sala, Rosa Maria; Valero Cortés, Mateo (Elsevier, 2015-12)
      Article
      Accés obert
      OmpSs is a programming model that provides a simple and powerful way of annotating sequential programs to exploit heterogeneity and task parallelism based on runtime data dependency analysis, dataflow scheduling and ...