when making changes to optimize part of a processor,it is often the case that sp

Question

when making changes to optimize part of a processor,it is often the case that speeding up one type of instruction comes at the cost of slowing down something else.for example if we put in a complicated fast floating point unit that takes space and something might have to be moved farther away from the middle to accomodate it,adding an extra cycle in delay to reach that unit.the basic amdahla law equation does not take in to account this trade off

a.)now assume that speeding up the floating point unit slowed down data cache accesses resulting in a 1.5x slow down (or 2/3 speed up).Data cache consume 10% of the execution time.what is the overall speedup now?

Explanation / Answer

when making changes to optimize part of a processor,it is often the case that sp

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