Soft Computing and IT Hardware

The conventional approach of computer hardware (Von Neumann/Parallel processing) along with Operating System and Application Software will not be sufficient to cater to the information load requirements of IT applications in the twenty first century. The primarily reasons are as follows:


Developments in the microelectronics field in the past increased the level of integration of transistors on the chip. The focus on VLSI Hardware development using Application Specific Processor Architecture (ASPA) in place of Application Specific Integrated Circuits (ASIC) will need to strengthened further.

The von Neumann model of general purpose computing in the Stored Program Computer will undergo change. The problem of information (instructions and data) flowing back and forth to the processor and memory through a single channel of finite bandwidth has been viewed as a bottleneck when it comes to in-chip 'functions programming'. This leads to introduction of programmable architectures instead of a fixed architecture (of von-Neumann style of computing) to be implemented in the form of digital structures on silicon. The Instruction Sets (with opcode and operands) were either hardwired or microprogrammed. This made the hardware integrated circuits 'dumb' ; and introduced the assembly approach in electronic hardware design. There was no possibility of dynamically changing the Instruction Set itself. But the FPGA route of designing some small scale fuzzy logic applications had helped to simulate an deplore the dynamic loading of FPGA in the form of Instruction Set on the FPGA - leading to overcome the limitations of hardwired or microprogrammed fixed Instruction Set approach. The simulation results are motivating to explore the possibilities of experimenting 'in-silicon' dynamic configuration of Instruction Set, and Reconfigurable architectures. The lack of ready made tools for ASPA design made the job difficult. The research efforts for 'CAD software of ASPA ' did not generate much response amongst the professionals. However, it is felt that these 'mind-set' will soon change. This is what exactly happened in the past when Prof. Zadeh introduced Fuzzy Set and Fuzzy Logic. Object Oriented Architectures or simple architectures with more resources ( registers, Content Address Memory, On-Chip associated cache memory, etc.) are the transition phase technological issues.

In this context, hardware developments in the Fuzzy Logic based systems have already paved its way in the past few years towards introduction of concept of the soft computing for IT hardware. Earlier, the fuzzy hardware was merely thought to be useful for Control type of applications required in the consumer/domestic appliances and industrial process control plants etc. But the works in the fuzzy hardware development like Fuzzy Generic Chip Set, Fuzzy microprocessor etc. are indicative of the fact that the first generation soft computing hardware will be designed & developed primarily using the advances made in the fuzzy hardware development. There is a strong need for vendors with attitude to share interfaces and play a leading role to introduce Standards in Fuzzy Hardware instead of resorting to narrow interest protection methodologies for introducing new products.

As a result of multifold developments in various fields of computer hardware, software and communication , allied areas of science, engineering, technology, the focus will be on "isolated versus integrated" approach. Soft computing will be further evolved to utilizeVirtual Fab (a popular future methodology in the semiconductor microelectronic industry) permitting foundry operations as a seamless extension of its customer's business. The primary advantages of Virtual Fab are

            


 
 
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