Exploració per autor "Nemirovsky, Mario"

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    • A general guide to applying machine learning to computer architecture 

      Nemirovsky, Daniel; Arkose, Tugberk; Markovic, Nikola; Nemirovsky, Mario; Unsal, Osman Sabri; Cristal Kestelman, Adrián; Valero Cortés, Mateo (2018)
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      The resurgence of machine learning since the late 1990s has been enabled by significant advances in computing performance and the growth of big data. The ability of these algorithms to detect complex patterns in data which ...

    • Advances in the Hierarchical Emergent Behaviors (HEB) approach to autonomous vehicles 

      Roca, Damian; Milito, Rodolfo; Nemirovsky, Mario; Valero Cortés, Mateo (2020)
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      Widespread deployment of autonomous vehicles (AVs) presents formidable challenges in terms on handling scalability and complexity, particularly regarding vehicular reaction in the face of unforeseen corner cases. Hierarchical ...

    • 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 ...

    • Area and laser power scalability analysis in photonic networks-on-chip 

      Abadal Cavallé, Sergi; Cabellos Aparicio, Alberto; Lázaro Villa, José Antonio; Nemirovsky, Mario; Alarcón Cot, Eduardo José; Solé Pareta, Josep (Institute of Electrical and Electronics Engineers (IEEE), 2013)
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      In the last decade, the field of microprocessor architecture has seen the rise of multicore processors, which consist of the interconnection of a set of independent processing units or cores in the same chip. As the number ...

    • Broadcast-enabled massive multicore architectures: a wireless RF approach 

      Abadal Cavallé, Sergi; Sheinman, Benny; Katz, Oded; Markish, Ofer; Elad, Danny; Fournier, Yvan; Roca, Damian; Hanzich, Mauricio; Houzeaux, Guillaume; Nemirovsky, Mario; Alarcón Cot, Eduardo José; Cabellos Aparicio, Alberto (2015-09)
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      Broadcast traditionally has been regarded as a prohibitive communication transaction in multiprocessor environments. Nowadays, such a constraint largely drives the design of architectures and algorithms all-pervasive in ...

    • Characterizing the resource-sharing levels of the UltraSparc T2 processor 

      Cakarevic, Vladimir; Radojković, 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 ...

    • Disaggregated Computing. An Evaluation of Current Trends for Datacentres 

      Meyer, Hugo; Sancho, Jose C.; Quiroga, Josue V.; Zyulkyarov, Ferad; Roca, Damian; Nemirovsky, Mario (Elsevier, 2017)
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      Next generation data centers will likely be based on the emerging paradigm of disaggregated function-blocks-as-a-unit departing from the current state of mainboard-as-a-unit. Multiple functional blocks or bricks such as ...

    • Emergent behaviors in the Internet of things: The ultimate ultra-large-scale system 

      Roca, Damian; Nemirovsky, Daniel; Nemirovsky, Mario; Milito, Rodolfo; Valero Cortés, Mateo (2016-11)
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      To reach its potential, the Internet of Things (IoT) must break down the silos that limit applications' interoperability and hinder their manageability. Doing so leads to the building of ultra-large-scale systems (ULSS) ...

    • Evaluating University-Business Collaboration at Science Parks: a Business Perspective 

      Olvera Herrera, Claudia; Piqué, Josep Ma; Cortés García, Claudio Ulises; Nemirovsky, Mario (2020-07-01)
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      The evaluation of the companies’ performance at University Science Parks (SPs) becomes essential in identifying the needs of the companies and the feasibility of the University-Business Collaboration (ubc). The companies’ ...

    • Fog function virtualization: A flexible solution for IoT applications 

      Roca, Damian; Quiroga, Josue V.; Valero Cortés, Mateo; Nemirovsky, Mario (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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      The Internet of Things applications must carefully assess certain crucial factors such as the real-time and largely distributed nature of the “things”. Fog Computing provides an architecture to satisfy those requirements ...

    • Graphene-enabled wireless communication for massive multicore architectures 

      Abadal Cavallé, Sergi; Alarcón Cot, Eduardo José; Cabellos Aparicio, Alberto; Lemme, Max; Nemirovsky, Mario (2013-11-11)
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      Current trends in microprocessor architecture design are leading towards a dramatic increase of core-level parallelization, wherein a given number of independent processors or cores are interconnected. Since the main ...

    • HIRE: Hidden Inter-packet Red-shift Effect 

      Ciaccia, Francesco; Romero Ruiz, Ivan; Serral Gracià, René; Nemirovsky, Mario (Institute of Electrical and Electronics Engineers (IEEE), 2020)
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      Over the years, different techniques have been proposed to detect bottleneck bandwidth and available bandwidth of an end-to-end path. However, to the author's knowledge, no work has been conducted on detecting which link ...

    • Improving TCP performance and reducing self-induced congestion with receive window modulation 

      Ciaccia, Francesco; Arcas Abella, Oriol; Montero Banegas, Diego Teodoro; Romero Ruiz, Ivan; Milito, Rodolfo; Serral Gracià, René; Nemirovsky, Mario (2019)
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      We present a control module for software edge routers called Receive Window Modulation - RWM. Its main objective is to mitigate what we define as self-induced congestion: the result of traffic emission patterns at the ...

    • Improving the energy efficiency of hardware-assisted watchpoint systems 

      Karakostas, Vasileios; Tomić, Saša; Unsal, Osman Sabri; Nemirovsky, Mario; Cristal Kestelman, Adrián (2013)
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      Hardware-assisted watchpoint systems enhance the execution of numerous dynamic software techniques, such as memory protection, module isolation, deterministic execution, and data race detection. In this paper, we show ...

    • 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 ...

    • iQ: an efficient and flexible queue-based simulation framework 

      Roca, Damian; Nemirovsky, Daniel; Casas, Marc; Moretó Planas, Miquel; Valero Cortés, Mateo; Nemirovsky, Mario (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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      Conventional system simulators are readily used by computer architects to design and evaluate their processor designs. These simulators provide reasonable levels of accuracy and execution detail but suffer from long ...

    • 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)
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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 

      Radojković, 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, ...

    • NEMsCAM: A novel CAM cell based on nano-electro-mechanical switch and CMOS for energy efficient TLBs 

      Seyedi, Azam; Karakostas, Vasileios; Cosemans, Stefan; Cristal Kestelman, Adrián; Nemirovsky, Mario; Unsal, Osman (Institute of Electrical and Electronics Engineers (IEEE), 2015-07-10)
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      In this paper we propose a novel Content Addressable Memory (CAM) cell, NEMsCAM, based on both Nano-electro-mechanical (NEM) switches and CMOS technologies. The memory component of the proposed CAM cell is designed with ...

    • Networking challenges and prospective impact of broadcast-oriented wireless networkson- chip 

      Abadal Cavallé, Sergi; Nemirovsky, Mario; Alarcón Cot, Eduardo José; Cabellos Aparicio, Alberto (Association for Computing Machinery (ACM), 2015)
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      The cost of broadcast has been constraining the design of manycore processors and of the algorithms that run upon them. However, as on-chip RF technologies allow the design of small-footprint and high-bandwidth antennas ...