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DSP
2008
15 years 3 months ago
Fisher information and noise-aided power estimation from one-bit quantizers
We investigate power estimation on a random noise from measurements taken by one-bit quantizers, with an efficacy assessed by the Fisher information. In isolated quantizers, an op...
François Chapeau-Blondeau, Solenna Blanchar...
IJHPCA
2007
165views more  IJHPCA 2007»
15 years 3 months ago
High Performance Development for High End Computing With Python Language Wrapper (PLW)
This paper presents a design and implementation of a system that leverages interactive scripting environment to the needs of scientific computing. The system allows seamless tran...
Piotr Luszczek, Jack Dongarra
AMC
2004
115views more  AMC 2004»
15 years 3 months ago
Performance comparison of memetic algorithms
Local search techniques have been applied in optimization methods. The effect of local search to the memetic algorithms can make multimodal and non-linear problems easier to solve...
Jason G. Digalakis, Konstantinos G. Margaritis
ENTCS
2002
98views more  ENTCS 2002»
15 years 3 months ago
Verified Code Generation for Embedded Systems
Digital signal processors provide specialized SIMD (single instruction multiple data) operations designed to dramatically increase performance in embedded systems. While these ope...
Sabine Glesner, Rubino Geiß, Boris Boesler
PC
2007
284views Management» more  PC 2007»
15 years 2 months ago
Implementation and evaluation of shared-memory communication and synchronization operations in MPICH2 using the Nemesis communic
This paper presents the implementation of MPICH2 over the Nemesis communication subsystem and the evaluation of its shared-memory performance. We describe design issues as well as...
Darius Buntinas, Guillaume Mercier, William Gropp