Consider a multilevel computer in which all levels are different. Each level has

Question

Consider a multilevel computer in which all levels are different. Each level has instructions that are m times as powerful as those of the level below it; that is, one level r instructions that are m times as powerful as those of the level below it; that is, one level r instruction can do the work of m level r-1 instructions. If a level-1 program requires k seconds to run, how long would equivalent programs take at levels 2, 3, and 4, assuming n level r instrucions are required to interpret a single r+1 instruction?

Explanation / Answer

Each additional level of interpretation slows down the machine by a factor of n/m. Thus the execution times for levels 2, 3, and 4 are kn/m, kn^2/m^2, and kn^3/m^3, respectively.

ref:http://quizlet.com/9626421/structured-computer-organization-ch-1-flash-cards/

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