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Parallel Computing RSS FeedsOnline Business Idea - Turn your home based business ideas into cash. Hundreds of free resources for your business will help you to create a successful online business in no time. Free affiliate program evaluation....Feed Source: Introduction to the Special Issue on Probability Models in Performance Analysis -
This special issue includes research papers related to a workshop held at the Royal Society on 21st of September 2010, honouring Erol Gelenbe on his 65th birthday. The workshop brought together some 40 participants including some of Erol's former and current PhD students, colleagues and friends with whom he has interacted over the years, both in Europe and the USA. The papers focus on probability models in computer science, at the core of the fi... Neural Memories and Oscillatory Operation -
This paper develops two themes. The first is to show that the task of ‘recognition’ can be realized by an artificial neural net, and that the structures thus generated can be in close analogy to those observed in nature. The second is to note that absolute signal levels are almost meaningless in biological contexts; for these, the current state of a system is revealed by dynamic rather than static behaviour. This was Walter Freeman's... Chaotic Evolution via Generalized Probabilistic Automata (Probabilistic Arrays) -
An n-state generalized probabilistic automaton/array maps a list of d states stochastically into a next state, resulting in a degree-d polynomially nonlinear transformation of the n-component state-probability vector, in contrast with the linear transformation given by the conventional Markovian model. This nonlinearity introduces the possibility of chaotic behaviour as time (iteration) progresses. It is shown that for two-state systems, the d =... A Stochastic Geometry Model for Cognitive Radio Networks -
We propose a probabilistic model based on stochastic geometry to analyze cognitive radio in a large wireless network with randomly located users sharing the medium with carrier sensing multiple access. Analytical results are derived on the impact of the interaction between primary and secondary users, on their medium access probability, coverage probability and throughput. These results can be seen as the continuation of the theory of priorities... Scheduling Services in a Queuing System with Impatience and Setup Costs -
We consider a single-server queue in discrete time, in which customers must be served before some limit sojourn time of geometrical distribution. A customer who is not served before this limit leaves the system: it is impatient. The service of customers, the loss due to impatience and the holding of customers in the queue induce costs. The purpose is to decide when to serve the customers so as to minimize them. We use a Markov decision process w... Bounding Aggregations for Transient and Stationary Performance Analysis of Subnetworks -
We consider large queueing networks for which transient and stationary probability distributions are very difficult or impossible to obtain due to the state space explosion problem. In performance analysis, we need in general to study only a part of the network (a node or a path). Thus, we propose to define bounding systems that lead to compute bounds on performance measures of the considered subsystem. The original large state space is mapped i... An Optimal Inherently Stabilizing 2-Neighborhood Crash Resilient Protocol for Secure and Reliable Routing in Hypercube Networks -
Many fundamental problems in the area of distributed systems such as security, reliable routing, network survivability and broadening available bandwidth can be addressed through the use of disjoint paths between communication endpoints. Therefore, distributed solutions to the disjoint paths problem are of crucial importance to these fundamental problems. Disjoint paths naturally exist in traditional networks; however, these networks provide no ... Analyzer: A Complex System for Data Analysis -
Recently eXtensible Markup Language (XML) has achieved the leading role among languages for data representation and, thus, we can witness a massive boom of corresponding techniques for managing XML data. Most of the processing techniques, however, suffer from various bottlenecks worsening their time and/or space efficiency. We assume that the main reason is they consider XML collections too globally, involving all their possible features, althou... Design Techniques Targeting Low-Area-Power-Delay Product in Hyperbolic CORDIC Algorithm -
The COordinate Rotation DIgital Computer (CORDIC) algorithm is a famous technique for realizing complex arithmetic functions using simple shift-add operations. This paper presents a novel completely scaling-free CORDIC algorithm in rotation mode for high performance hyperbolic computations. We target algorithm level improvements to achieve low area and power-delay product on FPGA. Instead of complex search algorithms, we use the most significant... RNS-Based Elliptic Curve Point Multiplication for Massive Parallel Architectures -
Acceleration of cryptographic applications on massive parallel computing platforms, such as Graphic Processing Units (GPUs), becomes a real challenge concerning practical implementations. In this paper, we propose a parallel algorithm for Elliptic Curve (EC) point multiplication in order to compute EC cryptography on these platforms. The proposed approach relies on the usage of the Residue Number System (RNS) to extract parallelism on high-preci... Worldstart Computer Tips and Techniques 09-12-2008 - 09-12-2008 - Friday Funnies+ Catch That Mouse! How To Adjust Pointer Trail ... Worldstart Computer Tips and Techniques 09-11-2008 - 09-11-2008 - Yikes! Watch What You Say on AIM + Avartar? Please Define! + C... Worldstart Computer Tips and Techniques 09-10-2008 - 09-10-2008 - Safely Protect Your Router + Practice Makes Perfect, Review of... Worldstart Computer Tips and Techniques 09-09-2008 - 09-09-2008 - Happy Memory Savings+ Testing Your Microphone Optimizes Perfor... Worldstart Computer Tips and Techniques 09-08-2008 - 09-08-2008 - Quick and Painless Navigation Method + Windows Vista Email-Que... Worldstart Computer Tips and Techniques 09-05-2008 - 09-05-2008 - Friday Funnies+ Go Mini with Mini CDs + Personalize Your MS Of... Worldstart Computer Tips and Techniques 09-04-2008 - 09-04-2008 - New Wallpaper is Here + Awesome Shiny New Browser + RSS Featur... Worldstart Computer Tips and Techniques 09-03-2008 - 09-03-2008 - Must-Have Security for IE + Take The Speed Test + Vista Plus G... Worldstart Computer Tips and Techniques 09-02-2008 - 09-02-2008 - Important Firewall Security Tips + Move Right Next Door :-) + ... Worldstart Computer Tips and Techniques 09-01-2008 - 09-01-2008 - Tricks For A Better Burn + Why Some Messages Are Sticky + Test... Worldstart Computer Tips and Techniques 08-29-2008 - 08-29-2008 - Killer Browser Plug-In + Make Your Start Menu Feel Better + Co... Worldstart Computer Tips and Techniques 08-28-2008 - 08-28-2008 - Search The Other Side of the World! + Powerful History Tracker... Worldstart Computer Tips and Techniques 08-27-2008 - 08-27-2008 - Are You Too Secure? + EZ Dating For Everyone + Stay Safe With ... Worldstart Computer Tips and Techniques 08-26-2008 - 08-26-2008 - Battle For Net Neutrality + Reply With Style! + Best ISO for B... Copyright © 2012, Online Business Idea. All Rights Reserved. |