نتایج جستجو برای: graphic processing units

تعداد نتایج: 666828  

2010
Tsuyoshi Hamada Keigo Nitadori

We present the results of a hierarchical N -body simulation on DEGIMA, a cluster of PCs with 576 graphic processing units (GPUs) and using an InfiniBand interconnect. DEGIMA stands for DEstination for GPU Intensive MAchine, and is located at Nagasaki Advanced Computing Center (NACC), Nagasaki University. In this work, we have upgraded DEGIMA’s interconnect using InfiniBand. DEGIMA is composed b...

2011
Liang ZHENG Taras Gerya Matthew Knepley David A. Yuen Huai ZHANG Yaolin SHI

Stokes equations have been used in numerical simulations of geodynamic processes such as mantle convection , lithospheric deformation and lava flow, etc. In order to implement a solver for these equations, multigrid method is introduced to our solve. Multigrid method is commonly used in reducing the iteration steps for solving the elliptic partial differential equation with the ill-conditioned ...

2010
Debapriya Chatterjee Valeria Bertacco

Combinational equivalence checking (CEC) is a mainstream application in Electronic Design Automation used to determine the equivalence between two combinational netlists. Tools performing CEC are widely deployed in the design flow to determine the correctness of synthesis transformations and optimizations. One of the main limitations of these tools is their scalability, as industrial scale desi...

2014
Mohamed Amine Larhmam Sidi Ahmed Mahmoudi Mohammed Benjelloun Saïd Mahmoudi Pierre Manneback

Accurate Vertebra localization presents an essential step for automating the diagnosis of many spinal disorders. In case of MR images of lumbar spine, this task becomes more challenging due to vertebra complex shape and high variation of soft tissue. In this paper, we propose an efficient framework for spine curve extraction and vertebra localization in T1-weighted MR images. Our method is a fa...

2009
Shaojing Li Boris Livshitz Vitaliy Lomakin

Non-uniform grid method (NGM) is a fast algorithm to accelerate the integral equation based method of static and dynamic field evaluation in various areas such as electromagnetics, optics, magnetics etc. The NG method reduce the computational complexity of direct evaluation of interaction between N unknowns from 2 ( ) O N to ( ) O N in static and low-frequency regime and ( log ) O N N in the hi...

2005
Daniel L. Chester Stephanie Elzer Schwartz

Information graphics such as bar, line and pie charts appear frequently in electronic media and often contain information that is not found elsewhere in documents. Unfortunately, sight-impaired users have difficulty accessing and assimilating information graphics. Our goal is an interactive natural language system that provides effective access to information graphics for sight-impaired individ...

2002
David Larrabeiti María Calderón Arturo Azcorra Manuel Urueña

The usage of general-purpose processors externally attached to routers to virtually play the role of active co-processors seems a safe and cost-effective approach to add active network capabilities to existing routers. This paper reviews this router-assistant way of making active nodes, addresses the benefits and limitations of this technique, and describes a new platform based on it using an e...

2013
Pier-Giorgio Zanone Sylvie Athènes

Revisiting an original idea by Hollerbach (1981), previous work has established that the production of graphic shapes, assumed to be the blueprint for handwriting, is governed by the dynamics of orthogonal non-linear coupled oscillators. Such dynamics determines few stable coordination patterns, giving rise to a limited set of preferred graphic shapes, namely, four lines and four ellipsoids ind...

2014
Alastair C. Smith Padraic Monaghan Falk Huettig

The effect of literacy on phonological processing has been described in terms of a virus that “infects all speech processing” (Frith, 1998). Empirical data has established that literacy leads to changes to the way in which phonological information is processed. Harm & Seidenberg (1999) demonstrated that a connectionist network trained to map between English orthographic and phonological represe...

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