CDA3101PracticeFinalExam - CDA 3101 Final Exam (Sample)...

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1 CDA 3101 Final Exam (Sample) Last Name ____________________ Time: 2 hrs. First Name ____________________ Honor Code Statement On my honor, I have neither given nor received unauthorized aid on this exam. _______________________ ________________________ Signature UFID Show all your work to get partial/full credit. No calculator allowed. 1. (10 points) Write (in binary) the IEEE 754 single-precision representation of the number 18.25 10 . 2. (15 points) Consider two different implementations, I1 and I2, of the same instruction set. There are three classes of instructions (A, B, and C) in the instruction set. I1 has a clock rate of 6 GHz, and I2 has a clock rate of 4 GHz. The average number of cycles for each instruction class on I1 and I2 is given in the following table. Class CPI on I1 CPI on I2 C1 Usage C2 Usage A 2 1 40% 50% B 3 2 20% 25% C 5 2 40% 25% The table also contains a summary of average proportion of instruction classes generated by two different compilers (C1, and C2). Assume each compiler uses the same number of instructions for a given program but that the instruction mix is as described in the table. a. If you purchased I1, which compiler would you use i.e. which compiler produces programs with the lower average CPI? b.
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This note was uploaded on 04/29/2010 for the course CDA 3101 taught by Professor Small during the Spring '08 term at University of Florida.

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CDA3101PracticeFinalExam - CDA 3101 Final Exam (Sample)...

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