In this paper a novel very high performance current mirror is presented. It favorably benefits from such excellent parameters as: Ultra high output resistance (36.9GΩ), extremely low input resistance (0.0058Ω), low output (~0.18V) and low input voltage (~0.18V) operation, very low power consumption (20μW), very low offset current (1pA), ultra wide current dynamic range (150dB), and ultra high a...

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This paper focuses on design of systolic architecture and by the application of evolutionary programming to achieve 100% HUE (Hardware Utilization Efficiency) for space representation containing delays in systolic design. Heuristic method involves EP (Evolutionary Programming) to solve the problems where the solution is in large search space. Using EP, we are able to find the number of differen...

Cryptographic algorithms are more efficiently implemented in custom hardware than in software running on general-purpose processors. However, systems which use hardware implementations have significant drawbacks: they are unable to respond to flaws discovered in the implemented algorithm or to changes in standards. In this paper we show how reconfigurable computing offers high performance yet f...

The increasing feasibility of developing applications spanning nationwide supercomputing resources makes possible the creation of simulations composed of multiple interdisciplinary components and capable of modeling natural and social phenomena of national importance with unprecedented speed and accuracy. However, the potential offered by hardware technology often fails to be fully realized due...

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Most Unix systems provide a set of system calls that allow applications to interact with the network directly. These primitives are useful for example in packet capture applications, which need to grab the data flowing through the network without any further processing from the kernel. WinPcap is a newly proposed architecture that adds these functionalities to Win32 operating systems. WinPcap i...

Grid computing systems are being positioned as the high performance computing infrastructure of the future that will be used to solve grand challenge problems and also provide the infrastructure for wide area distributed network computing. The architecture of the Grid will determine if it will meet these challenges. We propose a Grid architecture that is secure, high performance and extensible....

This paper describes a cluster-based high-performance web spider architecture. Its architecture has been designed for handling a very large number of web pages with both URLs contents compression. The method we used to fetch URLs has been designed for achieving maximum performance with respect to well-known spider’s considerations. In experiments, our spider achieves an average download rate of...