Ara es mostren els items 1-18 de 18

  • An abstraction methodology for the evaluation of multi-core multi-threaded architectures 

    Zilan, Ruken; Verdú Mulà, Javier; García Vidal, Jorge; Nemirovsky, Mario; Milito, Rodolfo; Valero Cortés, Mateo (IEEE Computer Society Publications, 2011)
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    As the evolution of multi-core multi-threaded processors continues, the complexity demanded to perform an extensive trade-off analysis, increases proportionally. Cycle-accurate or trace-driven simulators are too slow to ...
  • Analysis and Architectural Support for Parallel Stateful Packet Processing 

    Verdú Mulà, Javier (Universitat Politècnica de Catalunya, 2008-07-09)
    Tesi
    Accés obert
    The evolution of network services is closely related to the network technology trend. Originally network nodes forwarded packets from a source to a destination in the network by executing lightweight packet processing, or ...
  • Characterizing the resource-sharing levels of the UltraSparc T2 processor 

    Cakarevic, Vladimir; Radojkovic, Petar; Verdú Mulà, Javier; Pajuelo González, Manuel Alejandro; Cazorla Almeida, Francisco Javier; Nemirovsky, Mario; Valero Cortés, Mateo (Association for Computing Machinery (ACM), 2009)
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    Thread level parallelism (TLP) has become a popular trend to improve processor performance, overcoming the limitations of extracting instruction level parallelism. Each TLP paradigm, such as Simultaneous Multithreading or ...
  • Dynamic web worker pool management for highly parallel javascript web applications 

    Verdú Mulà, Javier; Costa Prats, Juan José; Pajuelo González, Manuel Alejandro (2016-09-10)
    Article
    Accés obert
    JavaScript web applications are improving performance mainly thanks to the inclusion of new standards by HTML5. Among others, web workers API allows multithreaded JavaScript web apps to exploit parallel processors. However, ...
  • Internet traffic and the behavior of processing workloads 

    Zilan, Ruken; Verdú Mulà, Javier; García Vidal, Jorge; Nemirovsky, Mario; Valero Cortés, Mateo (2009-06)
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    Nowadays, the evolution of network services provided at the edge of Internet increases the requirements of network applications. Such applications result in complexities thus, the processors need to execute more complex ...
  • Mapa conceptual global como herramienta para la visión de conjunto de un sistema operativo 

    Verdú Mulà, Javier; López Álvarez, David; Pajuelo González, Manuel Alejandro (2009-06-15T12:03:04Z)
    Text en actes de congrés
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    Numerosas asignaturas están formadas por un temario que está totalmente interrelacionado. Al final del curso los estudiantes deberían haber adquirido los conocimientos de cada tema pero, más importante aún, deberían saber ...
  • Measuring operating system overhead on CMT processors 

    Radojkovic, Petar; Cakarevic, Vladimir; Verdú Mulà, Javier; Pajuelo González, Manuel Alejandro; Gioiosa, Roberto; Cazorla Almeida, Francisco Javier; Nemirovsky, Mario; Valero Cortés, Mateo (IEEE Computer Society Publications, 2008)
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    Numerous studies have shown that Operating System (OS) noise is one of the reasons for significant performance degradation in clustered architectures. Although many studies examine the OS noise for High Performance Computing ...
  • Measuring operating system overhead on Sun UltraSparc T1 processor 

    Radojkovic, Petar; Cakarevic, Vladimir; Verdú Mulà, Javier; Pajuelo González, Manuel Alejandro; Gioiosa, Roberto; Cazorla Almeida, Francisco Javier; Nemirovsky, Mario; Valero Cortés, Mateo (2009-06)
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    Numerous studies have shown that Operating System (OS) noise is one of the reasons for significant performance degradation in clustered architectures. Although many studies examine the OS noise for High Performance Computing, ...
  • Overhead of the spin-lock loop in UltraSPARC T2 

    Cakarevic, Vladimir; Radojkovic, Petar; Cazorla Almeida, Francisco Javier; Gioiosa, Roberto; Nemirovsky, Mario; Valero Cortés, Mateo; Pajuelo González, Manuel Alejandro; Verdú Mulà, Javier (2008-06-04)
    Text en actes de congrés
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    Spin locks are task synchronization mechanism used to provide mutual exclusion to shared software resources. Spin locks have a good performance in several situations over other synchronization mechanisms, i.e., when on ...
  • Performance analysis of a new packet trace compressor based on TCP flow clustering 

    Holanda Filho, Raimir; Verdú Mulà, Javier; García Vidal, Jorge; Valero Cortés, Mateo (Institute of Electrical and Electronics Engineers (IEEE), 2005)
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    In this paper we study the properties of a new packet trace compression method based on clustering of TCP flows. With our proposed method, the compression ratio that we achieve is around 3%, reducing the file size, for ...
  • Performance scalability analysis of JavaScript applications with web workers 

    Verdú Mulà, Javier; Pajuelo González, Manuel Alejandro (2016-12)
    Article
    Accés obert
    Web applications are getting closer to the performance of native applications taking advantage of new standard–based technologies. The recent HTML5 standard includes, among others, the Web Workers API that allows ...
  • The problem of evaluating CPU-GPU systems with 3d visualization applications 

    Verdú Mulà, Javier; Pajuelo González, Manuel Alejandro; Valero Cortés, Mateo (2012-12)
    Article
    Accés restringit per política de l'editorial
    Complex, computationally demanding 3D visualization applications can be used as benchmarks to evaluate CPU-GPU systems. However, because those applications are time dependent, their execution is not deterministic. Thus, ...
  • Thread assignment in multicore/multithreaded processors: A statistical approach 

    Radojkovic, Petar; Carpenter, Paul M.; Moreto Planas, Miquel; Cakarevic, Vladimir; Verdú Mulà, Javier; Pajuelo González, Manuel Alejandro; Cazorla Almeida, Francisco Javier; Nemirovsky, Mario; Valero Cortés, Mateo (2016-01-01)
    Article
    Accés obert
    The introduction of multicore/multithreaded processors, comprised of a large number of hardware contexts (virtual CPUs) that share resources at multiple levels, has made process scheduling, in particular assignment of ...
  • Thread assignment of multithreaded network applications in multicore/multithreaded processors 

    Radojkovic, Petar; Cakarevic, Vladimir; Verdú Mulà, Javier; Pajuelo González, Manuel Alejandro; Cazorla Almeida, Francisco Javier; Nemirovsky, Mario; Valero Cortés, Mateo (2013-12)
    Article
    Accés obert
    The introduction of multithreaded processors comprised of a large number of cores with many shared resources makes thread scheduling, and in particular optimal assignment of running threads to processor hardware contexts ...
  • Thread to strand binding of parallel network applications in massive multi-threaded systems 

    Radojkovic, Petar; Cakarevic, Vladimir; Verdú Mulà, Javier; Pajuelo González, Manuel Alejandro; Cazorla Almeida, Francisco Javier; Nemirovsky, Mario; Valero Cortés, Mateo (ACM Press. Association for Computing Machinery, 2010-01)
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    In processors with several levels of hardware resource sharing, like CMPs in which each core is an SMT, the scheduling process becomes more complex than in processors with a single level of resource sharing, such as pure-SMT ...
  • Thread to strand binding of parallel network applications in massive multi-threaded systems 

    Radojkovic, Petar; Cakarevic, Vladimir; Verdú Mulà, Javier; Pajuelo González, Manuel Alejandro; Cazorla Almeida, Francisco Javier; Nemirovsky, Mario; Valero Cortés, Mateo (2010-05)
    Article
    Accés restringit per política de l'editorial
    In processors with several levels of hardware resource sharing, like CMPs in which each core is an SMT, the scheduling process becomes more complex than in processors with a single level of resource sharing, such as pure-SMT ...
  • Understanding the overhead of the spin-lock loop in CMT architectures 

    Cakarevic, Vladimir; Radojkovic, Petar; Verdú Mulà, Javier; Cazorla Almeida, Francisco Javier; Gioiosa, Roberto; Pajuelo González, Manuel Alejandro; Nemirovsky, Mario; Valero Cortés, Mateo (2008)
    Text en actes de congrés
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    Spin locks are a synchronization mechanisms used to provide mutual exclusion to shared software resources. Spin locks are used over other synchronization mechanisms in several situations, like when the average waiting ...
  • Understanding the overhead of the spin-lock loop in CMT architectures 

    Cakarevic, Vladimir; Radojkovic, Petar; Verdú Mulà, Javier; Pajuelo González, Manuel Alejandro; Gioiosa, Roberto; Cazorla Almeida, Francisco Javier; Nemirovsky, Mario; Valero Cortés, Mateo (2008)
    Text en actes de congrés
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    Abstract—Spin locks are a synchronization mechanisms used to provide mutual exclusion to shared software resources. Spin locks are used over other synchronization mechanisms in several situations, like when the average ...