Question 1

Cache memory works on the principle of

Accepted Answer

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

Question 2

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.

Accepted Answer

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 
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 C

Question 3

Select the parameters which captures Memory system performance

Accepted Answer

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

Question 4

A decomposition can be illustrated in the form of a directed graph with nodes corresponding to tasks and edges indicating that the result of one task is required for processing the next. Such graph is called as

Accepted Answer

A) task dependency graph 
B) task interaction graph 
C) process interaction graph 
D) process dependency graph 
A) task dependency graph 
B) task interaction graph 
C) process interaction graph 
D) process dependency graph

Question 5

All-to-all personalized communication is performed independently in each row with clustered messages of size on a mesh.

Accepted Answer

A) p 
B) m?p 
C) p?m 
D) m 
A) p 
B) m?p 
C) p?m 
D) m

Question 6

All-to-all personalized communication is also known as___________                       .

Accepted Answer

A) total exchange 
B) both of the above 
C) none of the above 
D) partial exchange 
A) total exchange 
B) both of the above 
C) none of the above 
D) partial exchange

Question 7

Which model is equally suitable to shared-address- space or message- passing paradigms, since the interaction is naturally two ways.

Accepted Answer

A) master slave model 
B) data parallel model 
C) producer consumer or pipeline model 
D) work pool model 
A) master slave model 
B) data parallel model 
C) producer consumer or pipeline model 
D) work pool model

Question 8

A classic example of game playing - each 15 puzzle board is the example of

Accepted Answer

A) dynamic task generation 
B) none of the above 
C) all of the above 
D) static task generation 
A) dynamic task generation 
B) none of the above 
C) all of the above 
D) static task generation

Question 9

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

Accepted Answer

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

Question 10

______ is Callable from the host

Accepted Answer

A) _host_ 
B) __global__ 
C) _device_ 
D) none of above 
A) _host_ 
B) __global__ 
C) _device_ 
D) none of above

Question 11

Select alternate approaches for Hiding Memory Latency

Accepted Answer

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

Question 12

In all-to-one reduction, data items must be combined piece-wise and the result made available at a___________             processor.

Accepted Answer

A) last 
B) target 
C) n-1 
D) first 
A) last 
B) target 
C) n-1 
D) first

Question 13

In which case, the owner computes rule implies that the output is computed by the process to which the output data is assigned?

Accepted Answer

A) output data decomposition 
B) both of the above 
C) none of the above 
D) input data decomposition 
A) output data decomposition 
B) both of the above 
C) none of the above 
D) input data decomposition

Question 14

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

Accepted Answer

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

Question 15

______ is Callable from the host

Accepted Answer

A) _host_ 
B) __global__ 
C) _device_ 
D) none of above 
A) _host_ 
B) __global__ 
C) _device_ 
D) none of above

Question 16

Analyze the Cost of Scatter and Gather .

Accepted Answer

A) t=ts log p + tw m (p-1) 
B) t=ts log p - tw m (p-1) 
C) t=tw log p - ts m (p-1) 
D) t=tw log p + ts m (p-1) 
A) t=ts log p + tw m (p-1) 
B) t=ts log p - tw m (p-1) 
C) t=tw log p - ts m (p-1) 
D) t=tw log p + ts m (p-1)

Question 17

Select different aspects of parallelism

Accepted Answer

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) 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

Question 18

SIMD represents an organization that ______________.

Accepted Answer

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. 
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.

Question 19

Select the appropriate stage of GPU Pipeline which receives commands from CPU and also pulls geometry information from system memory.

Accepted Answer

A) vertex processing 
B) memory interface 
C) host interface 
D) pixel processing 
A) vertex processing 
B) memory interface 
C) host interface 
D) pixel processing

Question 20

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

Accepted Answer

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

Cache memory works on the principle of

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.

Select the parameters which captures Memory system performance

A decomposition can be illustrated in the form of a directed graph with nodes corresponding to tasks and edges indicating that the result of one task is required for processing the next. Such graph is called as

All-to-all personalized communication is performed independently in each row with clustered messages of size on a mesh.

All-to-all personalized communication is also known as___________ .

Which model is equally suitable to shared-address- space or message- passing paradigms, since the interaction is naturally two ways.

A classic example of game playing - each 15 puzzle board is the example of

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

______ is Callable from the host

Select alternate approaches for Hiding Memory Latency

In all-to-one reduction, data items must be combined piece-wise and the result made available at a___________ processor.

In which case, the owner computes rule implies that the output is computed by the process to which the output data is assigned?

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

______ is Callable from the host

Analyze the Cost of Scatter and Gather .

Select different aspects of parallelism

SIMD represents an organization that ______________.

Select the appropriate stage of GPU Pipeline which receives commands from CPU and also pulls geometry information from system memory.

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

Understanding Cuda Kernel Code and Host GPU Interactions

Nvidia CUDA and GPU Programming

Parallel Execution in CUDA, Sorting Algorithms, and Search Techniques

Characteristics and Operations in Parallel Programming

Communication Patterns and Algorithms in Distributed Systems

Communication Operations and Algorithms in Parallel Computing

Parallel Computing and Graph Algorithms

Parallel Processing and GPU Architecture

Computer Architecture and Multiprocessor Systems

Sorting Algorithms and Pipelined Systems

Algorithms and Parallel Formulations

Parallel Communication and Runtime Analysis

Parallel Computing and GPU Architecture

Exploring Multiprocessor Systems and Parallel Algorithms

Parallel Processing and Algorithms

Distributed Systems and Computing

Filters

Exam 12: Cuda Model, Parallelism, Memory System, and Communication Models

Cache memory works on the principle of

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.

Select the parameters which captures Memory system performance

A decomposition can be illustrated in the form of a directed graph with nodes corresponding to tasks and edges indicating that the result of one task is required for processing the next. Such graph is called as

All-to-all personalized communication is performed independently in each row with clustered messages of size on a mesh.

All-to-all personalized communication is also known as___________ .

Which model is equally suitable to shared-address- space or message- passing paradigms, since the interaction is naturally two ways.

A classic example of game playing - each 15 puzzle board is the example of

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

______ is Callable from the host

Select alternate approaches for Hiding Memory Latency

In all-to-one reduction, data items must be combined piece-wise and the result made available at a___________ processor.

In which case, the owner computes rule implies that the output is computed by the process to which the output data is assigned?

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

______ is Callable from the host

Analyze the Cost of Scatter and Gather .

Select different aspects of parallelism

SIMD represents an organization that ______________.

Select the appropriate stage of GPU Pipeline which receives commands from CPU and also pulls geometry information from system memory.

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

Understanding Cuda Kernel Code and Host GPU Interactions

Nvidia CUDA and GPU Programming

Parallel Execution in CUDA, Sorting Algorithms, and Search Techniques

Characteristics and Operations in Parallel Programming

Communication Patterns and Algorithms in Distributed Systems

Communication Operations and Algorithms in Parallel Computing

Parallel Computing and Graph Algorithms

Parallel Processing and GPU Architecture

Computer Architecture and Multiprocessor Systems

Sorting Algorithms and Pipelined Systems

Algorithms and Parallel Formulations

Parallel Communication and Runtime Analysis

Parallel Computing and GPU Architecture

Exploring Multiprocessor Systems and Parallel Algorithms

Parallel Processing and Algorithms

Distributed Systems and Computing

Filters