5. Consider two possible improvements that can be used to enhance a machine. You can either...
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5. Consider two possible improvements that can be used to enhance a machine. You can either make multiply instructions run two times faster than before, or make memory access instructions run four times faster than before. You repeatedly run a program that takes 100 seconds to execute. Of this time, 30% is used for multiplication, 40% for memory access instructions, and 30% for other tasks. a. What will the speedup be if you improve only multiplication? [5%] b. What will the speedup be if you improve only memory access? [5%] c. What will the speedup be if both improvements are made? [5%] 5. Consider two possible improvements that can be used to enhance a machine. You can either make multiply instructions run two times faster than before, or make memory access instructions run four times faster than before. You repeatedly run a program that takes 100 seconds to execute. Of this time, 30% is used for multiplication, 40% for memory access instructions, and 30% for other tasks. a. What will the speedup be if you improve only multiplication? [5%] b. What will the speedup be if you improve only memory access? [5%] c. What will the speedup be if both improvements are made? [5%]
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Answer rating: 100% (QA)
This problem can be solved using Amdahls Law which is used to find the maximum improvement to an overall system when only part of the system is improv... View the full answer
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
Posted Date:
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