Papers by Ricardo Augusto da Luz Reis
VLSI-SoC series of conferences started in 1981 and this chapter presents a little bit of its hist... more VLSI-SoC series of conferences started in 1981 and this chapter presents a little bit of its history. Since the beginning, the conference moves around the world, showing recent works in the field of VLSI and Systems-on-Chip design and design automation. The contents of books related to the set of event editions is in some way a witness of the extraordinary evolution of the field in these almost 4 decades.
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Revista de Informática Teórica e Aplicada, 2004
The work described in this paper aims to allow the flexible distribution of resources and tools s... more The work described in this paper aims to allow the flexible distribution of resources and tools supporting the design of integrated systems and considers specifically the need for collaborative interaction among designers. Particular emphasis was given to issues which were only marginally considered in previous approaches, such as the abstraction of the distribution of design automation resources over the network, the consistency control on both synchronous and asynchronous interaction among designers and the support for extensible design data models.
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Analog Integrated Circuits and Signal Processing, 2016
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2014 21st IEEE International Conference on Electronics, Circuits and Systems (ICECS), 2014
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IFIP International Federation for Information Processing
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International Symposium on Signals, Circuits and Systems, 2005. ISSCS 2005.
Consistency Control in Data-driven Design Automation Environments Leandro Soares Indrusiak1, Tudo... more Consistency Control in Data-driven Design Automation Environments Leandro Soares Indrusiak1, Tudor Murgan1, Manfred Glesner1, Ricardo Reis2 1 Microelectronic Systems Institute, Technische Universitat Darmstadt, Germany 2 Informatics ... Reading: Addison Wesley, 1995. ...
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2013 26th Symposium on Integrated Circuits and Systems Design (SBCCI), 2013
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The Computer Journal, 2006
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2020 28th European Signal Processing Conference (EUSIPCO), 2021
This work proposes a hardware architecture for fractional-pixel interpolation filter defined in t... more This work proposes a hardware architecture for fractional-pixel interpolation filter defined in the royalty-free AV1 video coding standard. Analysis conducted in this work shows that the AV1 Regular family of filters has the highest usage especially when considering high resolution videos. The proposed architecture implements the 15 interpolation filters of the AV1 Regular family and is capable to interpolate videos of up to 8K video resolution at 120 fps. The proposed architecture achieves the highest throughput compared to related works.
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Integration, 2020
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Revista de Informática Teórica e Aplicada, 2012
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IFIP Advances in Information and Communication Technology, 2019
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16th Symposium on Integrated Circuits and Systems Design, 2003. SBCCI 2003. Proceedings.
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IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, 2016
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Proceedings. XI Brazilian Symposium on Integrated Circuit Design (Cat. No.98EX216)
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IFIP – The International Federation for Information Processing, 2009
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Proceedings of the 22nd Annual Symposium on Integrated Circuits and System Design Chip on the Dunes - SBCCI '09, 2009
ABSTRACT Statistical process variations are a critical issue to define circuit design strategies ... more ABSTRACT Statistical process variations are a critical issue to define circuit design strategies to ensure high yield in sub-100nm technologies. This work focuses on hold time violation probabilities in sub-100 nm technologies. The variability in flip-flop race immunity and clock skew is evaluated, and a methodology for the estimation of hold time violation probability is developed. This violation probability is analyzed at different technologies, flip-flop strength, supply voltage and padding. Then three different methods to protect against hold time violations are evaluated: Vdd reduction, race immunity increase, and padding. Each of them has different advantages and drawbacks that must be taken into account. It is shown that at design time the most effective method is padding. An algorithm to automatically insert padding in digital circuits considering process variability is presented. The proposed algorithm will be evaluated compared to other ways to protect against violations.
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2012 IEEE 3rd Latin American Symposium on Circuits and Systems (LASCAS), 2012
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ACM International Conference Proceeding Series, 2007
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Journal of Computational Electronics, 2010
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Papers by Ricardo Augusto da Luz Reis