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» On the Number of Optimal Base 2 Representations of Integers
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ICS
2005
Tsinghua U.
15 years 3 months ago
Optimization of MPI collective communication on BlueGene/L systems
BlueGene/L is currently the world’s fastest supercomputer. It consists of a large number of low power dual-processor compute nodes interconnected by high speed torus and collect...
George Almási, Philip Heidelberger, Charles...
FPL
2007
Springer
190views Hardware» more  FPL 2007»
15 years 4 months ago
Automatic Accuracy-Guaranteed Bit-Width Optimization for Fixed and Floating-Point Systems
In this paper we present Minibit+, an approach that optimizes the bit-widths of fixed-point and floating-point designs, while guaranteeing accuracy. Our approach adopts differen...
William G. Osborne, Ray C. C. Cheung, José ...
PREMI
2005
Springer
15 years 3 months ago
Globally Optimal 3D Image Reconstruction and Segmentation Via Energy Minimisation Techniques
This paper provides an overview of a number of techniques developed within our group to perform 3D reconstruction and image segmentation based of the application of energy minimisa...
Brian C. Lovell
GLOBECOM
2008
IEEE
14 years 11 months ago
Cooperative OFDM Channel Estimation with Frequency Offsets
Abstract— This paper discusses channel estimation in a cooperative orthogonal frequency-division multiplexing (OFDM) network in the presence of frequency offsets. Both the amplif...
Zhongshan Zhang, Wei Zhang, Chintha Tellambura
ICASSP
2011
IEEE
14 years 1 months ago
Accurate parameter generation using fixed-point arithmetic for embedded HMM-based speech synthesizers
Parameter trajectory generation for HMM-based speech synthesis is practically achieved using only fixed-point arithmetic with 32-bit integers. Since processors for embedded devic...
Nobuyuki Nishizawa, Tsuneo Kato