Bermúdez Garzón, Diego Fernando; Gómez Requena, Crispín; Gómez Requena, María Engracia; López Rodríguez, Pedro Juan; Duato Marín, José Francisco(Institute of Electrical and Electronics Engineers (IEEE), 2016-04)
On the one hand, performance and fault-tolerance of interconnection networks are key design issues for high performance computing (HPC) systems. On the other hand, cost should be also considered. Indirect topologies are ...
Peñaranda Cebrián, Roberto; Gómez Requena, María Engracia; López Rodríguez, Pedro Juan; Gran, Ernst Gunnar; Skeie, Tor(John Wiley & Sons, 2017)
[EN] Exascale computing systems are being built with thousands of nodes. The high number of components of these systems significantly increases the probability of failure. A key component for them is the interconnection ...
Selfa-Oliver, Vicent; Sahuquillo Borrás, Julio; Petit Martí, Salvador Vicente; Gómez Requena, María Engracia(Institute of Electrical and Electronics Engineers, 2017)
[EN] Shared caches have become the common design choice in the vast majority of modern multi-core and many-core
processors, since cache sharing improves throughput for a given silicon area. Sharing the cache, however, has ...
Gómez Requena, Crispín; Gilabert Villamón, Francisco; Gómez Requena, María Engracia; López Rodríguez, Pedro Juan; Duato Marín, José Francisco(Springer Verlag (Germany), 2015-07)
Large cluster-based machines require efficient high-performance interconnection networks. Routing is a key design issue of interconnection networks. Adaptive routing usually outperforms deterministic routing at the expense ...
Pons-Escat, Lucía; Petit Martí, Salvador Vicente; Pons Terol, Julio; Gómez Requena, María Engracia; Sahuquillo Borrás, Julio(Springer-Verlag, 2023-12-27)
[EN] Research on resource management focuses on optimizing system performance and energy efficiency by distributing shared resources like processor cores, caches, and main memory among competing applications. This research ...
Sahuquillo Borrás, Julio; Petit Martí, Salvador Vicente; Selfa Oliver, Vicent; Gómez Requena, María Engracia(IEEE Computer Society, 2015-05)
Multicore processors have become ubiquitous in our real life in devices like smartphones, tablets, etc. In fact, they are present in almost all segments of the computing market, from supercomputers to embedded devices. The ...
Petit Martí, Salvador Vicente; Sahuquillo Borrás, Julio; Gómez Requena, María Engracia; Selfa-Oliver, Vicent(Elsevier, 2017)
[EN] The fast evolution of multicore processors makes it difficult for professors to offer computer architecture courses with updated contents. To deal with this shortcoming that could discourage students, the most appropriate ...
Puche Lara, José; Lechago Buendía, Sergio; Petit Martí, Salvador Vicente; Gómez Requena, María Engracia; Sahuquillo Borrás, Julio(IEEE, 2016)
Photonic interconnects are a promising solution for the so-called communication bottleneck in current Chip Multiprocessor (CMPs) architectures. This technology presents an inherent low-latency and power consumption almost ...
Selfa Oliver, Vicent(Universitat Politècnica de València, 2016-01-08)
[EN] Current multicore systems implement various hardware prefetchers since prefetching can significantly
hide the huge main memory latencies. However, memory bandwidth is a scarce resource which
becomes critical with ...
Selfa Oliver, Vicent(Universitat Politècnica de València, 2018-11-13)
El acceso a la memoria principal en los procesadores actuales supone un importante cuello de botella para las prestaciones, dado que los diferentes núcleos compiten por el limitado ancho de banda de memoria, agravando la ...
Puche, José; Petit Martí, Salvador Vicente; Gómez Requena, María Engracia; Sahuquillo Borrás, Julio(Elsevier, 2020-09)
[EN] The cache hierarchy of current multicores typically consists of three levels, ranging from the faster and smaller L1 level to the slower and larger L3 level. This approach has been demonstrated to be effective in high ...
Esteve García, Albert(Universitat Politècnica de València, 2013-06-18)
[ES] En el contexto de los sistemas empotrados heterogéneos surgen nuevas necesidades y retos. Este trabajo se va a centrar en la coherencia de éstos sistemas para analizar la posibilidad de aplicar técnicas que se ajusten ...
Duro Gómez, José(Universitat Politècnica de València, 2015-09-29)
[ES] La memoria principal constituye uno de los principales cuellos de botella de los procesadores manycore. Una de las causas es la arquitectura interna organizada en 8 bancos de las actuales DDR3. Cada banco contiene un ...
Navarro, Carlos; Feliu-Pérez, Josué; Petit Martí, Salvador Vicente; Gómez Requena, María Engracia; Sahuquillo Borrás, Julio(Institute of Electrical and Electronics Engineers, 2020-08-01)
[EN] Advanced hardware prefetch engines are being integrated in current high-performance processors. Prefetching can boost the performance of most applications, however, the induced bandwidth consumption can lead the system ...
The architecture of current processors has experienced great changes in the last years, leading to sophisticated multithreaded multicore processors. The inherent complexity of such processors makes difficult to update ...
Valls Mompó, Joan Josep(Universitat Politècnica de València, 2012-10-03)
El propósito de este proyecto es diseñar y evaluar por medio de simulación una
nueva estructura de directorio más escalable que los esquemas de caché de directorio
tradicionalmente utilizados, así como otros publicados ...
Duro-Gómez, José; Petit Martí, Salvador Vicente; Sahuquillo Borrás, Julio; Gómez Requena, María Engracia(Universidad de Zaragoza, 2018-11-09)
[ES] La computación exascale es el siguiente paso en la computación de alto rendimiento proporcionada por sistemas compuestos por millones de núcleos de procesamiento interconectados. Para guiar el diseño e implementación ...
Pons-Escat, Lucía; Feliu-Pérez, Josué; Sahuquillo Borrás, Julio; Gómez Requena, María Engracia; Petit Martí, Salvador Vicente; Pons Terol, Julio; Huang, Chaoyi(Elsevier, 2023-01)
[EN] The increasing popularity of cloud computing has forced cloud providers to build economies of scale to meet the growing demand. Nowadays, data-centers include thousands of physical machines, each hosting many virtual ...
Lurbe-Sempere, Manel; Feliu-Pérez, Josué; Petit Martí, Salvador Vicente; Gómez Requena, María Engracia; Sahuquillo Borrás, Julio(Institute of Electrical and Electronics Engineers, 2022-10-01)
[EN] Current multi-core processors implement sophisticated hardware prefetchers, that can be configured by application (PID),to improve the system performance. When running multiple applications, each application can present ...
Esteve García, Albert(Universitat Politècnica de València, 2017-09-01)
Most of the data referenced by sequential and parallel applications running in current chip multiprocessors are referenced by a single thread, i.e., private. Recent proposals leverage this observation to improve many aspects ...