Enviaments recents

  • Low-complexity distributed issue queue 

    Abella Ferrer, Jaume; González Colás, Antonio María (IEEE Computer Society, 2004)
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    As technology evolves, power density significantly increases and cooling systems become more complex and expensive. The issue logic is one of the processor hotspots and, at the same time, its latency is crucial for the ...
  • A detailed methodology to compute soft error rates in advanced technologies 

    Riera Villanueva, Marc; Canal Corretger, Ramon; Abella, Jaume; González Colás, Antonio María (Institute of Electrical and Electronics Engineers (IEEE), 2016)
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    System reliability has become a key design aspect for computer systems due to the aggressive technology miniaturization. Errors are typically dominated by transient faults due to radiation and are strongly related to the ...
  • Instruction replication for clustered microarchitectures 

    Aleta Ortega, Alexandre; Codina Viñas, Josep M.; González Colás, Antonio María; David, Kaeli (Institute of Electrical and Electronics Engineers (IEEE), 2003)
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    This work presents a new compilation technique that uses instruction replication in order to reduce the number of communications executed on a clustered microarchitecture. For such architectures, the need to communicate ...
  • Analysis and optimization of engines for dynamically typed languages 

    Dot Artigas, Gem; Martínez, Alejandro; González Colás, Antonio María (Institute of Electrical and Electronics Engineers (IEEE), 2015)
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    Dynamically typed programming languages have become very popular in the recent years. These languages ease the task of the programmer but introduce significant overheads since assumptions about the types of variables have ...
  • MASkIt: soft error rate estimation for combinatorial circuits 

    Anglada Sánchez, Martí; Canal Corretger, Ramon; Aragon, Juan Luis; González Colás, Antonio María (Institute of Electrical and Electronics Engineers (IEEE), 2016)
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    Integrated circuits are getting increasingly vulnerable to soft errors; as a consequence, soft error rate (SER) estimation has become an important and very challenging goal. In this work, a novel approach for SER estimation ...
  • Statistical analysis and comparison of 2T and 3T1D e-DRAM minimum energy operation 

    Rana, Manish; Canal Corretger, Ramon; Amat Bertran, Esteve; Rubio Sola, Jose Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2016)
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    Bio-medical wearable devices restricted to their small-capacity embedded-battery require energy-efficiency of the highest order. However, minimum-energy point (MEP) at sub-threshold voltages is unattainable with SRAM memory, ...
  • Improving branch prediction and predicated execution in out-of-order processors 

    Quiñones Moreno, Eduardo; Parcerisa Bundó, Joan Manuel; González Colás, Antonio María (Institute of Electrical and Electronics Engineers (IEEE), 2007)
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    If-conversion is a compiler technique that reduces the misprediction penalties caused by hard-to-predict branches, transforming control dependencies into data dependencies. Although it is globally beneficial, it has a ...
  • Ultra-low power render based collision detection for CPU/GPU systems 

    Lucas Casamayor, Enrique de; Marcuello, Pedro; Parcerisa Bundó, Joan Manuel; González Colás, Antonio María (Association for Computing Machinery (ACM), 2015)
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    Smartphones have become powerful computing systems able to carry out complex tasks, such as web browsing, image processing and gaming, among others. Graphics animation applications such as 3D games represent a large ...
  • Hypernode reduction modulo scheduling 

    Llosa Espuny, José Francisco; Valero Cortés, Mateo; Ayguadé Parra, Eduard; González Colás, Antonio María (Institute of Electrical and Electronics Engineers (IEEE), 1995)
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    Software pipelining is a loop scheduling technique that extracts parallelism from loops by overlapping the execution of several consecutive iterations. Most prior scheduling research has focused on achieving minimum execution ...
  • Heterogeneous clustered VLIW microarchitectures 

    Aleta Ortega, Alexandre; Codina, Josep Maria; González Colás, Antonio María; Kaeli, David (Institute of Electrical and Electronics Engineers (IEEE), 2007)
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    Increasing performance, while at the same time reducing power consumption, is a major design tradeoff in current microprocessors. In this paper, we investigate the potential of using a heterogeneous clustered VLIW ...

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