Loop level-levels of parallel processing, Computer Engineering

Assignment Help:

Loop Level

At this level, repeated loop iterations are the applicants for parallel execution. However, data dependencies among subsequent iterations may limit parallel execution of instructions at loop level. There is a lot of scale for parallel execution at loop level.

Ex: In the following loop in C language, for (i=0; i <= n; i++)

A(i) = B(i)+ C(i)

Each of the instruction A(i) =B(i)+C(i) can be implemented by different processing elements supplied  there are at least n processing elements. But, the instructions in the loop:

for ( J=0, J<= n, J++) A(J) = A(J-1) + B(J)

Cannot be implemented parallel as A(J) is data dependent on A(J-1).  This means that previous to exploiting the loop level parallelism the data dependencies have to be checked:

 


Related Discussions:- Loop level-levels of parallel processing

What is the scope of public members in all classes, What is the Scope of pu...

What is the Scope of public/private/friend/protected/protected friend?    Scope of public/private/friend/protected/protected friend. Visual Basic/Visual C# Public/pub

What is the syntax of the assembler directive equ, The syntax of the assemb...

The syntax of the assembler directive EQU is ? Ans. The syntax of the assembler directive EQU is as given below: EQU

First order logic, "George has a dog called Ernie, which is a trained Labra...

"George has a dog called Ernie, which is a trained Labrador. Trained Labradors and poodles are obedient, and all obedient dogs are good dogs. All good dogs that have a master will

What is database integration, What is database integration? Database in...

What is database integration? Database integration is the ability to give user-friendly and cost-effective software solutions for data infrastructure management by the interfac

What is associative search, What is associative search? The cost of an ...

What is associative search? The cost of an associative cache is higher that the cost of a direct mapped cache due to the need to search all 128 bit tag patterns to verify wheth

Show the shared programming using library routines, Q. Show the Shared Prog...

Q. Show the Shared Programming Using Library Routines? The mainly well-liked of them is use of combo function known as fork() and join(). Fork() function is used to initialize

Define the firewall design policy, Define the Firewall Design Policy ...

Define the Firewall Design Policy A lower-level policy that describes how the firewall will handle prevention of access and filtering of services as defined in the above net

Explain about the public key cryptography, Explain about the Public Key Cry...

Explain about the Public Key Cryptography. Public Key Cryptography: It is a cryptographic system which uses two keys as a public key identified to everyone and a private

Difference between data warehousing and data mining, What is the difference...

What is the difference between data warehousing and data mining? The dissimilarity between data warehousing and data mining: Data warehousing seems to the data storage wh

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