We assume that we are considering enhancing a machine by adding vector hardware to it (but you dont need to know anything about vectorization to
- We assume that we are considering enhancing a machine by adding vector hardware to it (but you dont need to know anything about vectorization to work these problems). When a computation is run in vector mode on the vector hardware, it is 10 times faster than the normal mode of execution. We call the percentage of time that could be spent using vector mode the percentage of vectorization.
- [ 8 pts] What percentage of vectorization is needed to achieve an overall speedup of 2?
- [ 8 pts] What percent of the overall execution time is spent in vector mode if an overall speed up of 2 is achieved?
- [ 9 pts] What percentage of vectorization is needed to achieve one-half the maximum possible overall speed-up attainable from using vector mode?
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To solve these problems well use Amdahls Law which is a formula that gives the theoretical maximum speedup in latency of the execution of a task at fi... View full answer
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Authors: David M. Kroenke, David Auer
11th Edition
B003Y7CIBU, 978-0132302678
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