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(a) Gene Amdahl, an architect of the IMB 360 computers, has defined a model to characterize how well an application makes use of a scalable parallel processor. (i) Explain the Amdal's Law.
[3 marks] (ii) Making use of your answer in Question Q2(a)(i), determine the maximum possible speed up ratio that can be achieved by an application running in a system with FOUR (4) processors (8 cores each) if only 80% of the application can be parallelized. Please sketch the tinting diagram of your solution.
(iii) Your engineer shows that the measured actual speed up ratio of the multi-threaded application is 50% below the calculated answer in Q2(a)(ii). Please advise the necessary steps to be carried out by the engineer to validate the result.
2. A dentist wants to determine how much money she needs to put up in a bank now to have enough cash to pay for her yearly out-of-country trips. For the next year, the price of an airplane ticket is 13500 and is assumed to increase by 18% per year each year. She wants to have four out-of-country trips starting next year. How much money she needs to put in an account now if the bank is charging at a rate 9% compounded semi-annually? (Draw the cash flow diagram)
2. You have choice when subscribing to our magazine for four years: you can
a) pay 100 for a four year subscription,
b) pay 28 at the beginning of each year for four years, or
c) pay 54 today and 54 again two years from today.
Which is the best deal for you, the subscriber, if the interest is 10% yearly?
2. A man makes a series of 10 annual deposits starting at 2000 at the end of the first year and increasing the amount deposited by 10% every year thereafter. Find the total amount at the end of ten years if the rate of interest on all sums on deposit is 8%. (Draw the cash flow diagram)