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Unknown MCQs: 219 Questions & Answers in Engineering

219 Unknown MCQs in Engineering with answers & explanations. Page 3. Practice objective questions for competitive exams, interviews & self-assessment — free… Use the answer toggle below to show or hide all solutions, tap an option to check one question, or open a question for its own page.

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Unknown MCQs: 219 Questions & Answers in Engineering

Which of the followings is the BEST description of Message Passing Interface (MPI)?

The set of NP-complete problems is often denoted by ____________

Pthreads has a nonblocking version of pthreads_mutex_lock called __________

What are the algorithms for identifying which subtrees we assign to the processes or threads __________

What are the scoping clauses in OpenMP _________

When compiling an OpenMP program with gcc, what flag must be included?

Within a parallel region, declared variables are by default ________ .

A ______________ construct by itself creates a “single program multiple data” program, i.e., each thread executes the same code.

_______________ specifies that the iteration of the loop must be executed as they would be in serial program.

___________________ initializes each private copy with the corresponding value from the master thread.

The __________________ of a parallel region extends the lexical extent by the code of functions that are called (directly or indirectly) from within the parallel region.

The ______________ specifies that the iterations of the for loop should be executed in parallel by multiple threads.

_______________ Function returns the number of threads that are currently active in the parallel section region.

The size of the initial chunksize _____________.

In OpenMP, the collection of threads executing the parallel block the original thread and the new thread is called a ____________

A ____________ in OpenMP is just some text that modifies a directive.

When a thread reaches a _____________ directive, it creates a team of threads and becomes the master of the team.

Use the _________ library function to determine if nested parallel regions are enabled.

A ___________ construct must be enclosed within a parallel region in order for the directive to execute in parallel.

The ____________ directive ensures that a specific memory location is updated atomically, rather than exposing it to the possibility of multiple, simultaneous writing threads.

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