Browsing by Subject "Operating systems (Computers)"

Now showing items 1-20 of 43

    • A dynamic scheduler for balancing HPC applications 

      Boneti, Carlos; Gioiosa, Roberto; Cazorla, Francisco; Valero Cortés, Mateo (Institute of Electrical and Electronics Engineers (IEEE), 2008)
      Conference report
      Open Access
      Load imbalance cause significant performance degradation in High Performance Computing applications. In our previous work we showed that load imbalance can be alleviated by modern MT processors that provide mechanisms for ...

    • A kernel extension to handle missing data 

      Nebot Troyano, Guillermo; Belanche Muñoz, Luis Antonio (Springer-Verlag, 2009)
      Conference report
      Open Access
      An extension for univariate kernels that deals with missing values is proposed. These extended kernels are shown to be valid Mercer kernels and can adapt to many types of variables, such as categorical or continuous. The ...

    • Advanced OS deployment system 

      Galiano Molina, Sebastián (Universitat Politècnica de Catalunya, 2007-11-23)
      Master thesis (pre-Bologna period)
      Open Access
      Personal Computers are a fundamental tool in many disciplines of study and work. In many cases they are offered to users inside an open room to be used freely for their needs. A college computer laboratory is just one ...

    • Analysis and mitigation of writeback cache lock-ups in Linux 

      Méndez Orero, Alba (Universitat Politècnica de Catalunya, 2020-06)
      Bachelor thesis
      Open Access
      Linux caches disk I/O for performance: writes complete immediately from userspace perspective, and are committed to storage later. But in the presence of heavy writers, this buffering can easily hurt system responsiveness ...

    • Analysis of free-cooling system for telecom data centers (Base Transceiver Stations) ¿ big data analytics and pattern detection model. 

      Chmielnicki, Lukasz (Universitat Politècnica de Catalunya, 2018-06-21)
      Master thesis
      Open Access
      1.Introductory and Organizational Activities 2.State of Art - Available tools review 3.Programming Skills Development 4.Model creation - statistical approach 5.Model creation with ML techniques 6.Comparison of two approaches/ ...

    • Aplicació per monitoritzar la Qualitat del Servei 

      Soto Oseira, Rubén (Universitat Politècnica de Catalunya, 2017)
      Bachelor thesis
      Open Access
      El meu treball de fi de Grau és un projecte que està inclòs en un altre projecte més gran, anomenat SUPERSEDE, que pretén crear un sistema de millora d’aplicacions. Aquest sistema consistirà en un cicle amb diverses ...

    • Appzheimer: Plataforma Android para enfermos de Alzheimer 

      Urbano Torres, Antonio Jesus (Universitat Politècnica de Catalunya, 2014-06-30)
      Bachelor thesis
      Open Access

    • Audio application based on FreeRTOS operating system 

      Mendieta Pons, Pau (Universitat Politècnica de Catalunya, 2017-01-12)
      Bachelor thesis
      Open Access
      This current report describes in detail how the Quartet code for a Microchip PIC18 microcontroller, developed by Pere Domenech in his Final Degree Project, has been migrated to a Microchip PIC24 microcontroller. The original ...

    • Automatització del manteniment del sistema operatiu i software a grans departaments 

      Díaz Bertólez, Roberto (Universitat Politècnica de Catalunya, 2016-09)
      Master thesis (pre-Bologna period)
      Open Access
      El següent projecte neix de la necessitat d'automatitzar el procés d'actualització dels equips informàtics, de la forma més ràpida i eficient possible. En un Departament de la UPC ha sorgit la necessitat d'agilitar ...

    • Construcción de un sistema Linux a partir de código fuente 

      Requejo Garcia, Borja (Universitat Politècnica de Catalunya, 2012-01-24)
      Master thesis (pre-Bologna period)
      Open Access
      Català: Aquest projecte tracta sobre contruir desde zero i només amb paquets de codi font, un sistema Linux. Aquest sistema és orientat a unes tasques específiques i per tant s'han fet dues versions: una molt simple per a ...

    • Desarrollo de un sistema basado en MPC8572 Y Linux 

      Gómez Morales, Isaac (Universitat Politècnica de Catalunya, 2009-03-17)
      Master thesis
      Open Access
      Los objetivos a cuya consecución viene a dar respuesta el desarrollo del Proyecto son:Examinación del hardware dado, para ver las características de éste que se puedan explotar. Elegir un sistema operativo, lo menos ...

    • DeTrans: Deterministic and parallel execution of transactions 

      Smiljkovic, Vesna; Stipic, Srdjan; Fetzer, Christof; Unsal, Osman Sabri; Cristal Kestelman, Adrián; Valero Cortés, Mateo (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      Deterministic execution of a multithreaded application guarantees the same output as long as the application runs with the same input parameters. Determinism helps a programmer to test and debug an application and to provide ...

    • 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)
      Conference report
      Open Access
      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)
      Conference report
      Open Access
      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, ...

    • Estudi i implementació mitjançant QNX d'un algorisme de navegació sobre una graella per un robot mòbil proveït d'una càmera 

      Minteh Jaiteh, Esiaka (Universitat Politècnica de Catalunya, 2018-10-23)
      Bachelor thesis
      Open Access

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

      Pérez Rodríguez, Iván (Universitat Politècnica de Catalunya, 2009-03-13)
      Master thesis (pre-Bologna period)
      Open Access
      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)
      Master thesis (pre-Bologna period)
      Open Access
      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 ...

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

      Camacho Torrens, Jonathan (Universitat Politècnica de Catalunya, 2018-02)
      Bachelor thesis
      Open Access
      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)
      Conference report
      Restricted access - publisher's policy
      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)
      Bachelor thesis
      Open Access
      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 ...