Exploració per tema "Sistemes operatius (Ordinadors)"

Ara es mostren els items 21-40 de 59

    • DevOps : Continuous integration and continuous deployment applied 

      Pascual Haba, Héctor (Universitat Politècnica de Catalunya, 2020-06)
      Treball Final de Grau
      Accés obert
      DevOps is a trending concept in the SW industry introduced and popularized during the last decade, this thesis goes deep into the concept, the culture and fields related to it which are present in almost each project and ...

    • Direct Inter-Process Communication (dIPC): Repurposing the CODOMs architecture to accelerate IPC 

      Vilanova, Lluis; Jordà Peroliu, Marc; Navarro, Nacho; Etsion, Yoav; Valero Cortés, Mateo (Association for Computing Machinery (ACM), 2017)
      Text en actes de congrés
      Accés obert
      In current architectures, page tables are the fundamental mechanism that allows contemporary OSs to isolate user processes, binding each thread to a specific page table. A thread cannot therefore directly call another ...

    • Enabling SMT for real-time embedded systems 

      Cazorla Almeida, Francisco Javier; Knijnenburg, Peter M.W.; Sakellariou, Rizos; Fernandez Prieto, Enrique; Ramírez Bellido, Alejandro; Valero Cortés, Mateo (Institute of Electrical and Electronics Engineers (IEEE), 2004)
      Text en actes de congrés
      Accés obert
      In order to deal with real time constraints, current embedded processors are usually simple in-order processors with no speculation capabilities to ensure that execution times of applications are predictable. However, ...

    • Estudio de la plataforma de software Android para el desarrollo de una aplicación social 

      Pérez Rodríguez, Iván (Universitat Politècnica de Catalunya, 2009-03-13)
      Projecte/Treball Final de Carrera
      Accés obert
      El proyecto presente tiene como finalidad estudiar el funcionamiento y las posibilidades que ofrece el sistema operativo móvil Android comenzando por un enfoque analítico de sus características hasta llegar a la realización ...

    • Evaluación y oportunidades de una estación base GSM definida por software 

      Canet Felip, Carlos (Universitat Politècnica de Catalunya, 2016-07-14)
      Projecte/Treball Final de Carrera
      Accés obert
      With the evolution of mobile communications since the early 90s, the concept of software defined radio (SDR) has been making its way into conventional radio systems. The use of a SDR platform helps to reduce hardware ...

    • Evaluation of the multicore performance capabilities of the next generation flight computers 

      Solé i Bonet, Marc; Wolf, Jannis; Rodríguez Ferrández, Iván; Jover Álvarez, Álvaro; Trompouki, Matina Maria; Kosmidis, Leonidas; Steenari, David (2023)
      Text en actes de congrés
      Accés obert
      Multicore architectures are currently under adoption in the aerospace domain, however their software remains single-threaded. In this paper we argue about the benefits offered by homogeneous parallel processing, both in ...

    • FileSystems shared between systems in a USS environment 

      Peña Muñoz, Pau (Universitat Politècnica de Catalunya, 2019-01)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat

    • Frontend y backend en Node.js para una aplicación IoT 

      Camacho Torrens, Jonathan (Universitat Politècnica de Catalunya, 2018-02)
      Treball Final de Grau
      Accés obert
      This project intends to study the state of the art of the IoT and create a temperature and humidity monitoring application that simulates a real IoT scenario. A specific IoT cloud-based service will be used, such as Azure ...

    • HPC system software for regular and irregular parallel applications 

      Morari, Alessandro; Valero Cortés, Mateo (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The upcoming generation of system software for High Performance Computing is expected to provide a richer set of functionalities without compromising application performance. This Ph.D. thesis addresses the problem of ...

    • Implementació d'un sistema de fitxers dinàmic per containers 

      Burgués Miró, Guillem (Universitat Politècnica de Catalunya, 2017-01-24)
      Treball Final de Grau
      Accés obert
      L'objectiu d'aquest projecte consisteix a implementar un sistema de fitxers dinàmic per un container a partir d'un sistema ext2 estàtic que actualment està integrat dins del container. La solució software implementada ...

    • Implementació protocol PDP de descobriment de serveis amb seguretat en Android 

      Condominas Guardia, Jordi (Universitat Politècnica de Catalunya, 2011-01-20)
      Projecte/Treball Final de Carrera
      Accés obert
      S'ha analitzat, especificat i implementat un seguit de protocols segurs de xarxa de comunicacions per a interconnectar terminals mòbils en xarxes espontànies ad hoc. Per a aquest projecte s¿han utilitzat terminals Android ...

    • Implementación de una GUI para la generación de ficheros de configuración para actualizaciones de SO 

      Aimara Peralvo, Emilio Jose (Universitat Politècnica de Catalunya, 2022-09-14)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat
      Realitzat a/amb:   Giesecke & Devrient
      The project described in this document was developed for the company Giesecke + Devrient, which is dedicated to developing secure technologies for the secure payment, trusted connections, identification and digital ...

    • Improving I/O performance through an in-kernel disk simulator 

      González Férez, Pilar; Piernas Canovas, Juan; Cortés, Toni (2016-10-01)
      Article
      Accés obert
      This paper presents two mechanisms that can significantly improve the I/O performance of both hard and solid-state drives for read operations: KDSim and REDCAP. KDSim is an in-kernel disk simulator that provides a framework ...

    • Information technology audit principles applied to risk assessment in the infrastructure layer 

      Julbe Moya, Pol (Universitat Politècnica de Catalunya, 2022-06)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   KPMG España
      Currently, risk analysis at the application layer is already well studied, however, the IT infrastructure layer (databases and operating systems) is where the risk currently resides and is not being mitigated as extensively. ...

    • InteMoviles i càlcul de trajectes per a Android 

      Molina Alonso, Javier (Universitat Politècnica de Catalunya, 2011-01-25)
      Projecte/Treball Final de Carrera
      Accés restringit per acord de confidencialitat

    • Measuring operating system overhead on CMT processors 

      Radojković, 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)
      Text en actes de congrés
      Accés obert
      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 

      Radojković, Petar; Cakarevic, Vladimir; Verdú Mulà, Javier; Pajuelo González, Manuel Alejandro; Gioiosa, Roberto; Cazorla Almeida, Francisco Javier; Nemirovsky, Mario; Valero Cortés, Mateo (2009-06)
      Text en actes de congrés
      Accés obert
      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, ...

    • Multicore resource management 

      Nesbit, Kyle J.; Smith, James E.; Moretó Planas, Miquel; Cazorla, Francisco; Ramírez Bellido, Alejandro; Valero Cortés, Mateo (2008-06)
      Article
      Accés obert
      Current resource management mechanisms and policies are inadequate for future multicore systems. Instead, a hardware/software interface based on the virtual private machine abstraction would allow software policies to ...

    • Noise inspector tool 

      Utrera Iglesias, Gladys Miriam; Fornés de Juan, Jordi; Labarta Mancho, Jesús José (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés obert
      The operating system noise can interfere with normal execution programs. This behavior is becoming especially important when scaling parallel programs and amplified with global synchronizations. This work presents a tool ...

    • On the scalability of 1- and 2-dimensional SIMD extensions for multimedia applications 

      Sánchez Castaño, Friman; Álvarez Mesa, Mauricio; Salamí San Juan, Esther; Ramírez Bellido, Alejandro; Valero Cortés, Mateo (Institute of Electrical and Electronics Engineers (IEEE), 2005)
      Text en actes de congrés
      Accés obert
      SIMD extensions are the most common technique used in current processors for multimedia computing. In order to obtain more performance for emerging applications SIMD extensions need to be scaled. In this paper we perform ...