residue number system (rns) is a non-weighted number system for integer number arithmetic, which is based on the residues of a number to a certain set of numbers called module set. the main characteristics and advantage of residue number system is reducing carry propagation in calculations. the elimination of carry propagation leads to the possibility of maximizing parallel processing and reduc...

Application studies in the areas of image and video processing systems indicate that between 50 and 80% of the area cost in (application-speci c) architectures for realtime multi-dimensional signal processing (RMSP) is due to memory units, i.e. single or multi-port RAMs, pointer-addressed memories, and register les. This is true for both single-processor and weakly parallel processor realizatio...

Technology integration has increased to the point where the development of multi-core processor architectures is a market reality nowadays. In this scenario, the interconnection network has a critical function when the number of cores increases, since it is impossible to use bus-based solutions. Other interconnection solutions have been employed. However, they are area and power expensive. This...

This article presents an evaluation study of point-to-point and collective communication performance on a parallel processing system, a 16 node Parsytec PowerXplorer, using three di erent communication environments: PARIX, PVM and MPI.

We consider the use of a cluster system for Application Service Provider (ASP). In the ASP context, hosted applications and databases can be update-intensive and must remain autonomous. In this paper, we propose a new solution for parallel processing with autonomous databases, using a replicated database organization. The main idea is to allow the system administrator to control the tradeoff be...

In this paper, we conduct a performance study on parallel transaction processing in a coupled system , where a coupled system is a multi-node system with a shared global buuer. We develop a multiple-system simulator and obtain several performance results from it. This simulator has been run against three workloads, and the coupled system behavior with these three diierent inputs is studied. Sev...

There are various kinds of means to provide fault tolerance in a system and it deeply depends on the system architecture and tolerance requirements. This paper discusses our fault resilience method in the distributed system for motor controllers with several micro processing units. It targets realizing high availability on data processing function using process takeover and parallelism by softw...

Networked computing has become a popular method for using parallelism to solve a variety of computa-tionally intense problems. However, high communication costs and processor heterogeneity may limit performance unless the problem space is carefully partitioned. We propose a decomposition advisory system that is designed to help choose the best data partitioning strategy. The goal of this resear...

Automatic program execution control is a demanding tool for heteroge neous environments due to the variable availability of processors and network band width Issues such as load distribution have to be re analyzed since strategies developed for homogeneous machines fail to optimize the computation time in heterogeneous net works The nal user should not be involved in deciding which machines sho...

A synthesiser has been designed for polyphonic (multivoice) singing synthesis. Singing synthesis requires frequent updating of parameters to achieve a natural output sound. These parameters include fundamental frequency, formant frequencies, formant bandwidths, and voice source parameters (such as Open Quotient). The synthesis engine is controlled using a script and a graphical user interface. ...