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Parallel processing is done via __________ package can make the elapsed time smaller than the user time.

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Parallel processing is done via __________ package can make the elapsed time smaller than the user time.

(a) parallel

(b) statistics

(c) distributed

(d) symmetry

The question was asked at a job interview.

Origin of the question is R Profiler topic in section Profiling, Simulation and Data Analysis of R Programming

1 Answer

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Best answer
Right choice is (a) parallel

Best explanation: When you have multiple processors/- cores/machines working in parallel, the amount of time that the collection of CPUs spends working on a problem is the same as with a single CPU, but because they are operating in parallel, there is a savings in elapsed time.

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