Parallel construct in openmp, Computer Networking

Assignment Help:

Parallel Construct

The syntax of the parallel construct is as follows:

#pragma omp parallel [set of clauses]

 where clause is one of the following:

 structured-block

if(scalar-expression)

private(list)

firstprivate(list)

default(shared | none)

 shared(list)

 copyin(list)

When a thread encounters a parallel construct, a set of new threads is created to implement the parallel region. Within a parallel region every thread has a unique thread number. Thread number of the master thread is zero. Thread number of a thread can be getting by the call of library function omp_get_thread_num. Now, we are giving the explanation of the clauses used in a parallel construct.

(a) Private Clause:

These clauses states one or more list items to be private to a thread. The syntax of the private clause is

 private(list).

(b) Firstprivate Clause:

The firstprivate clause states one or more list items to be private to a thread, and initializes each of them with the value that the corresponding original item has when the construct is encountered. The syntax of the firstprivate clause is as follows:

 firstprivate(list).

(c) Shared Clause:

The shared clause declares one or more list items to be shared between all the threads in a team. The syntax of the shared clause is :

 shared(list)

(d) Copyin Clause:

The copyin clause gives a mechanism to copy the value of the master thread's threadprivate variable to the threadprivate variable of each other member of the team implementing the parallel region. The syntax of the copyin clause is :

 copyin(list)


Related Discussions:- Parallel construct in openmp

Optimizing stp, Optimizing STP  Because there is a separate instance of ...

Optimizing STP  Because there is a separate instance of the spanning tree for every active VLAN, a separate root election is conducted for each instance. If the default switch p

Work-sharing constructs in openmp, Work-Sharing Constructs A work-shari...

Work-Sharing Constructs A work-sharing construct distributes the implementation of the associated region between the members of the team that encounters it. A work-sharing cons

What is multimode graded-index fiber, Q. What is Multimode Graded-Index Fib...

Q. What is Multimode Graded-Index Fiber? - Ever since the core density decreases with distance from the centre the light beams refract into a curve - Eliminates problem with

Explain the public-key cryptography, Q. Explain the Public-Key Cryptography...

Q. Explain the Public-Key Cryptography? Public-Key Cryptography - Each user has the same encryption algorithm and key - Decryption algorithm also key are kept secret

What is source routing, Q. What is Source Routing? Source Routing ...

Q. What is Source Routing? Source Routing - Sender of packet defines bridges and routes that packet should take - Complete path of bridge IDs and destination address i

Briefly explain three benefits of networking, Question 1 What are the as...

Question 1 What are the aspects you should consider while creating a showreel? Question 2 What are the different patterns of writing a resume? Elaborate each of them wit

How is computer networks used in sales and marketing, Q. How is computer ne...

Q. How is computer networks used in sales and marketing?  Marketing and sales:   Computer networks are used extensively in both marketing and sales organizations. Marketing pr

What is full-duplex ethernet, Full-Duplex Ethernet 10Base5 as well ...

Full-Duplex Ethernet 10Base5 as well as 10Base2 are half-duplex Full-duplex raises capacity of each domain No require for CSMA/CD

Selective repeat (sr) - transport layer, Selective Repeat (SR) Select...

Selective Repeat (SR) Selective repeats is a connection oriented protocols  in which  transmitter and receiver have a window  of sequence numbers. SR scheme  avoids  the  unne

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd