Suppose you have a RISC machine with a 2.7 GHz clock (i.e., the clock ticks 2.7 billion times per second). This particular computer uses an instruction cache, a data cache, an operand fetch unit, and an operand store unit. The instruction set includes simple instructions with the following timings: SET reg, immed ; 3 clock cycles LOAD reg, mem ; 4 clock cycles ADD reg, reg ;3 clock cycles ADD reg, immed ; 2 clock cycles LOOP _LabelName ; 8 clock cycles Assume that the following code fragment is used to sum the element of a numeric array. SET real0 •initialize sum
Suppose you have a RISC machine with a 2.7 GHz clock (i.e., the clock ticks 2.7 billion times per second). This particular computer uses an instruction cache, a data cache, an operand fetch unit, and an operand store unit. The instruction set includes simple instructions with the following timings: SET reg, immed ; 3 clock cycles LOAD reg, mem ; 4 clock cycles ADD reg, reg ;3 clock cycles ADD reg, immed ; 2 clock cycles LOOP _LabelName ; 8 clock cycles Assume that the following code fragment is used to sum the element of a numeric array. SET real0 •initialize sum
Chapter5: Data Storage Technology
Section: Chapter Questions
Problem 2PE
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