Publication: Optimización de rendimiento y consumo energético del subsistema de memoria mediante nuevas técnicas basadas en metaheurísticas
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Publication Date
2018-10-25
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Colmenar Verdugo, José Manuel
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Universidad Complutense de Madrid
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Abstract
Actualmente, todo dispositivo móvil dispone de un sistema empotrado cuyo diseño ha evolucionado en los últimos años, adaptando sus características a las necesidades de los usuarios. Sin embargo, este tipo de dispositivos tiene como fuente de alimentación una batería cuya capacidad esté limitada por restricciones de diseño como el tamaño y el peso del dispositivo en que se incluye.Por otra parte, los dispositivos móviles actuales ejecutan frecuentemente aplicaciones multimedia que, generalmente, requieren elevadas prestaciones en cuanto a rendimiento del dispositivo, provocando un alto consumo de energía. En este contexto, la degradación de los dispositivos debida al uso intensivo, los problemas térmicos y el alto consumo de energía afectan a los sistemas y pueden provocar daños irreversible en los dispositivos...
Nowadays, embedded system design for mobile devices has evolved during lastyears adapting its characteristic to the users needs. However, this sort of devices isbattery-powered with a limited capacity because of design constraints like the sizeand the device weight where it is included.Besides, current mobile devices often execute multimedia applications, whichgenerally require high performance and cause high power consumption. In this context,the degradation of the devices due to the intensive use, the thermal issues andthe high power consumption aects to systems and can cause irreversible damagesin devices.From this perspective, one of the most important challenges that systems designersface is the need of increasing performance while reducing energy consumption.Particularly, the memory subsystem, formed by the processor registers, thecache memory and the main memory, is one of the system components with majorinfluence on performance and power consumption. In the case of multimedia applications,the memory subsystem receives a great workload, because of the inherentcharacteristics of this kind of applications.
Nowadays, embedded system design for mobile devices has evolved during lastyears adapting its characteristic to the users needs. However, this sort of devices isbattery-powered with a limited capacity because of design constraints like the sizeand the device weight where it is included.Besides, current mobile devices often execute multimedia applications, whichgenerally require high performance and cause high power consumption. In this context,the degradation of the devices due to the intensive use, the thermal issues andthe high power consumption aects to systems and can cause irreversible damagesin devices.From this perspective, one of the most important challenges that systems designersface is the need of increasing performance while reducing energy consumption.Particularly, the memory subsystem, formed by the processor registers, thecache memory and the main memory, is one of the system components with majorinfluence on performance and power consumption. In the case of multimedia applications,the memory subsystem receives a great workload, because of the inherentcharacteristics of this kind of applications.
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Informática, Departamento de Arquitectura de Computadores y Automática, leída el 24-01-2017