Top 250+ Solved High Performance Computing (HPC) MCQ Questions Answer
Q. In All to All on Hypercube, The size of the message to be transmitted at the next step is ____ by concatenating the received message with their current data
a. doubled
b. tripled
c. halfed
d. no change
Q. One-to-All Personalized Communication operation is commonly called ___
a. gather operation
b. concatenation
c. scatter operation
d. none
Q. In Scatter Operation on Hypercube, on each step, the size of the messages communicated is ____
a. tripled
b. halved
c. doubled
d. no change
Q. Which is also called "Total Exchange" ?
a. all-to-all broadcast
b. all-to-all personalized communication
c. all-to-one reduction
d. none
Q. All-to-all personalized communication can be used in ____
a. fourier transform
b. matrix transpose
c. sample sort
d. all of the above
Q. In collective communication operations, collective means
a. involve group of processors
b. involve group of algorithms
c. involve group of variables
d. none of these
Q. efficiency of data parallel algorithm depends on the
a. efficient implementation of the algorithm
b. efficient implementation of the operation
c. both
d. none
Q. All processes participate in a single ______ interaction operation.
a. global
b. local
c. wide
d. variable
Q. Goal of good algorithm is to implement commonly used _____ pattern.
a. communication
b. interaction
c. parallel
d. regular
Q. Reduction can be used to find the sum, product, maximum, minimum of _____ of numbers.
a. tuple
b. list
c. sets
d. all of above
Q. only connections between single pairs of nodes are used at a time is
a. good utilization
b. poor utilization
c. massive utilization
d. medium utilization