Question

Suppose that you currently have a computer system with the following two characteristics:
There are only three components that determine the overall performance — CPU, memory, and disk.
For any given computation, the system spends 30% of the time for CPU, 40% of the time for memory,
and 30% of the time for disk. Now suppose that you want to purchase a new system that improves the
performance in the following ways:
The memory performance is 4 times faster over your current system, the disk performance is 5 times
faster over your current system and everything else is the same. Using Amdahl’s Law, calculate the
overall speedup of the new system over your current system

Answer 1

Answer:

There are only three components that determine the overall performance — CPU, memory, and disk. For any given computation, the system spends 30% of the time for CPU, 40% of the time for memory, and 30% of the time for disk. of the memory time compared to your current system.

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