Thursday, 18 July 2013


July 18, 2013 - By rajshekar targar 0

Fundamentals of Computer Design
Todays desktop computers (less than $500 cost) are having more performancelarger memory andstorage than a computer bought in 1085 for 1 million dollar. Highest performance microprocessors of today outperform Supercomputers of less than 10 years ago. The rapid improvement has come both from advances in the technology used to build computers and innovations made in the computer design or in other words, the improvement made in the computers can be attributed to innovations of technology and architecture design.

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During thefirst 25 years of electronic computers, both forces made a major contribution, delivering performance improvement of about 25% per year. Microprocessors were evolved during late 1970s and their ability along with improvements made in the Integrated Circuit (IC) technology contributed to 35% performance growth per year.
The virtual elimination of assembly language programming reduced the need for object-code compatibility. The creation of standardized vendor-independent operating system lowered the cost and risk of bringing out a new architecture.

Ithe  yearly 1980s,the Reduced Instruction Set Computer (RISC) based machines focused  the  attention  of  designers  on  two  critical   performance  techniques,  the exploitation Instruction Level Parallelism (ILP) and the use of caches. The figure 1.1 shows the growth in processor performance since the mid 1980s. The graph plots performance relative t
o the VAX-11/780 as measured by the SPECint benchmarks. From the figure it is clear that architectural and organizational enhancements led to 16 years of sustained growth in performance at an annual rate of over 50%. 

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About the Author

Rajshekar Targar is a tech passionate guy who loves to code,blog,surf tech news, reading motivational articles, and tries out something new and interesting on technology every now and then. Follow me Rajshekar

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