High Performance Computing MCQ Questions and answers

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Q. Cache memory works on the principle of

(A) locality of data
(B) locality of memory
(C) locality of reference
(D) locality of reference & memory

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Q. SIMD represents an organization that ______________.

(A) refers to a computer system capable of processing several programs at the same time.
(B) represents organization of single computer containing a control unit, processor unit and a memory unit.
(C) includes many processing units under the supervision of a common control unit
(D) none of the above.

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Q. Select different aspects of parallelism

(A) server applications utilize high aggregate network bandwidth
(B) scientific applications typically utilize high processing and memory system performance
(C) all of the above
(D) data intensive applications utilize high aggregate throughput

A

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Q. Select correct answer: DRAM access times have only improved at the rate of roughly % per year over this interval.

(A) 20
(B) 40
(C) 50
(D) 10

A

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Q. Analyze, if the second instruction has data dependencies with the first, but the third instruction does not, the first

(A) out-of-order
(B) both of the above
(C) none of the above
(D) in-order

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Q. Select the parameters which captures Memory system performance

(A) bandwidth
(B) both of the above
(C) none of the above
(D) latency

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Q. Consider the example of a fire- hose. If the water comes out of the hose five seconds after the hydrant is turned on. Once the water starts flowing, if the hydrant delivers water at the rate of 15 gallons/second. Analyze the bandwidth and latency.

(A) bandwidth: 5*15 gallons/second and latency: 15 seconds
(B) bandwidth: 15 gallons/second and latency: 5 seconds
(C) bandwidth: 3 gallons/second and latency: 5 seconds
(D) bandwidth: 5 gallons/second and latency: 15 seconds

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Q. Select alternate approaches for Hiding Memory Latency

(A) multithreading
(B) spatial locality
(C) all of the above
(D) prefeching

A

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Q. Select which clause in OpenMP is similar to the private, except values of variables are initialized to corresponding values before the

(A) firstprivate
(B) shared
(C) all of the above
(D) private

A

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Q. Which of the following projects of Blue Gene is not in development?

(A) blue gene / m
(B) blue gene / p
(C) blue gene / q
(D) blue gene / l

High Performance Computing MCQs with answers Page - 35

Q. Cache memory works on the principle of

Q. SIMD represents an organization that ______________.

Q. Select different aspects of parallelism

Q. Select correct answer: DRAM access times have only improved at the rate of roughly % per year over this interval.

Q. Analyze, if the second instruction has data dependencies with the first, but the third instruction does not, the first

Q. Select the parameters which captures Memory system performance

Q. Consider the example of a fire- hose. If the water comes out of the hose five seconds after the hydrant is turned on. Once the water starts flowing, if the hydrant delivers water at the rate of 15 gallons/second. Analyze the bandwidth and latency.

Q. Select alternate approaches for Hiding Memory Latency

Q. Select which clause in OpenMP is similar to the private, except values of variables are initialized to corresponding values before the

Q. Which of the following projects of Blue Gene is not in development?

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