Quiz-2

In a six-stage pipeline assuming that there are no branch instructions. If we want to execute 15 instructions. What is the time required to execute these instructions?

• 15

• 16

• 21

• 20

What will be the speedup for a 4 segment linear pipeline when the number of instructions n=64?

• 4.5

• 3.82

• 8.16

• 2.95

Array processor is represented in

• SIMD

• MIMD

• MISD

• SISD

The expression delayed load is used in the context of

• Processor-printer communication

•  Pipelining

• Memory-monitor communication

• None of these

The vector stride value is required

• to deal with the length of vectors

• to find the parallelism in vectors

• to access the elements in multi-dimensional vectors

• None of these

Consider the multiplication of two 5 X 5 matrices using a vector processor. How many inner products must be evaluated?

• 5

• 10

• 25

• 125

Consider the multiplication of two 5 X 5 matrices using a vector processor. How many multiply-add operations are needed to calculate the product matrix?

• 25

• 125

• 100

• 50

Which two pipelines (in proper sequence) are used to calculate an inner product in vector processor?

• Multiplier pipeline, Adder pipeline

• Multiplier pipeline, Subtractor pipeline

• Adder pipeline, Multiplier pipeline

• Subtractor pipeline, Multiplier pipeline

A measure used to evaluate computers in their ability to perform a given number of floating-point operations per second is referred to as ______.

• floats

• FBPS

• FLOPS

• None of above

The term ______ is used to denote million flops.

• gigaflops

• kiloflops

• teraflops

• megaflops