Reconfigurable-computing technology
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RECONFIGURABLE-COMPUTING TECHNOLOGY A. V. Palagin† and V. N. Opanasenko ‡
UDC 004.274
Evolution of computers with flexible architecture is considered. Distinctive features of the architectural and structural organization of reconfigurable computer systems (RCSs) are described. Based on a modified logical-informational method and a configuration file library, a general algorithm is proposed to design RCSs. A new class of universal information processing means is proposed, namely, adaptive logical networks. Keywords: adaptive logical network, architecture flexibility, electrically programmable logic devices (EPLD), reconfigurable computing. EVOLUTION OF A COMPUTER WITH FLEXIBLE ARCHITECTURE Development of the technology of erasable electrically programmable logic devices (EPLD) and architectures of modern computers and information and computing systems of all classes became a basis for intensive improvement of reconfigurable computing (RC) technology and expansion of its application. This was due to the simplicity of RC-based designing of computer aids, efficient problem orientation, real-time adaptation to changes of objective functions and environment, modernization and extension of functionalities, and modification of the operation algorithm. Moreover, architectural flexibility is a principal indicator of the internal intelligence and efficiency of a computer system; this is true for both hardware and software. That is why RC allows solving a lot of methodological, technological, and applied problems of constructing and designing knowledge-oriented information systems, especially as applied to sophisticated research that efficiently supports the formation, development, and use of knowledge bases. There are subject areas where reconfigurable computer systems (RCSs) got to their rightful place and continue developing intensively [1, 2]. These are: • survivable systems providing control safety for especially critical objects; • sophisticated physical experiments with real-time simulation and control; • efficient digital processing of high-frequency signals; • improvement of computer design aids for new-technology objects; • ontology-controlled intelligence systems serving the interface of various user’s systems with the Internet and interdisciplinary cooperation; • emulation and design of wireless communication systems, etc. These application domains are important and promising, which indicates that reconfigurable computing and related problems are topical. During the evolution, computer systems, and first of all their processor component, were developed mainly to provide flexibility (adaptivity) of the baseline architecture, which, in turn, met the requirements of problem-orientation of computer equipment to increase their efficiency in specific applications. V. M. Glushkov Institute of Cybernetics continued famous traditions of the computer-engineering pioneers and became an active participant of this process both in the development of computer science theory in the large and in the elaboration and production sta
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