Journal
Scientific and technical journal «Priborostroenie»
UDK621.396.6
Issue:4 (66)
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STATISTICAL ESTIMATION OF COMPUTER INSTRUCTIONS METRICS AND MICRO COMMANDS IMPLEMENTING THEM BASED ON PARETO ANALYSIS
Annotation
On the example of 50 programs in the machine codes for an educational computer, metrics are defined that allow analyzing the frequency of use of machine instructions. The percentages of microinstructions used and repeated during micro-program control implementation established during the analysis, confirm the applicability of the 20/80 principle - the Pareto principle for processor operation. A conclusion is made about the redundancy of the system of computer commands, which leads to the complication of the processors architecture. Groups of instructions and microinstructions with a minimum number of repetitions (significance) are identified, and some of them can be removed in order to simplify the computer architecture.
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