Top 250+ Solved High Performance Computing (HPC) MCQ Questions Answer
Q. In DNS algorithm of matrix multiplication it used
a. 1d partition
b. 2d partition
c. 3d partition
d. both a,b
Q. In the Pipelined Execution, steps contain
a. normalization
b. communication
c. elimination
d. all
Q. the cost of the parallel algorithm is higher than the sequential run time by a factor of __
a. 2020-03-02 00:00:00
b. 2020-02-03 00:00:00
c. 3*2
d. 2/3+3/2
Q. The load imbalance problem in Parallel Gaussian Elimination: can be alleviated by using a ____ mapping
a. acyclic
b. cyclic
c. both
d. none
Q. A parallel algorithm is evaluated by its runtime in function of
a. the input size,
b. the number of processors,
c. the communication parameters.
d. all
Q. For a problem consisting of W units of work, p__W processors can be used optimally.
a. <=
b. >=
c. <
d. >
Q. many interactions in oractical parallel programs occur in _____ pattern
a. well defined
b. zig-zac
c. reverse
d. straight
Q. efficient implementation of basic communication operation can improve
a. performance
b. communication
c. algorithm
d. all
Q. efficient use of basic communication operations can reduce
a. development effort and
b. software quality
c. both
d. none
Q. Group communication operations are built using_____ Messenging primitives.
a. point-to-point
b. one-to-all
c. all-to-one
d. none
Q. one processor has a piece of data and it need to send to everyone is
a. one -to-all
b. all-to-one
c. point -to-point
d. all of above
Q. the dual of one -to-all is
a. all-to-one reduction
b. one -to-all reduction
c. pnoint -to-point reducntion
d. none
Q. In a broadcast and reduction on a balanced binary tree reduction is done in ______
a. recursive order
b. straight order
c. vertical order
d. parallel order
Q. In the second phase of 2D Mesh All to All, the message size is ___
a. m
b. p*sqrt(m)
c. p
d. m*sqrt(p)