Explain loop level of parallel processing, Computer Engineering

Assignment Help:

Loop Level

At this stage, following loop iterations are candidates for parallel execution. Though, data dependencies among subsequent iterations can restrict parallel execution of instructions at loop level. There is vast scope for parallel execution at loop level. 

Illustration: In the subsequent 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) may be implemented by different processing elements provided there are at least n processing elements. Though, the instructions in the loop

 

                        For (J=0; J<= n; J++)

                        A (J) = A (J-1) + B (J)  

Cannot be executed parallely as A (J) is data dependent on A (J-1).  It implies that before using the loop level parallelism the data dependencies should be checked.

 


Related Discussions:- Explain loop level of parallel processing

Matlab, Use the colon operation to create a vector x of numbers -10 through...

Use the colon operation to create a vector x of numbers -10 through 10 in steps of 1. Use matrix operations to create a vector y where each element is 5 more than 2 times the corre

Explain the fundamentals of c programming, Explain the Fundamentals of C Pr...

Explain the Fundamentals of C Programming? The C is a general purpose structured programming language. The C was developed and first implemented by the Dennis Ritchie at Bell L

What are the different types of distributing frames, What are the different...

What are the different types of distributing frames used in exchanges? The various distribution frames used in exchange are demonstrated in figure. Every subscriber in a telep

Explain bus, Define bus. When a word of data is transferred among units...

Define bus. When a word of data is transferred among units, all the bits are transferred in parallel over a set of lines called bus. In addition to the lines that take the data

Explain about the view selection problem, Often calculating all the data is...

Often calculating all the data is not possible by aggregations for this reason some of the difficult data problems are solved. In order to verify which data should be solved and me

Design a 8 to 1 multiplexer using the fourvariable function, Design a 8 to ...

Design a 8 to 1 multiplexer by using the fourvariable function given by F(A, B, C, D) = ∑ m(0,1,3,4,8,9,15). Ans. Design of 8 to 1 Multiplexer: It is a four-variable function a

Application using shift operations, Application Using Shift Operations ...

Application Using Shift Operations Rotate and Shift instructions are helpful even for division andmultiplication. These operations are not normally available in high-level lang

What is cache coherency, Cache coherence refers to the integrity of data st...

Cache coherence refers to the integrity of data stored in local caches of a shared resource. Cache coherence is a special case of memory coherence. When clients in a system, mainly

What is dom, DOM is the Document Object Model (DOM) which is an interface s...

DOM is the Document Object Model (DOM) which is an interface specification handled by the W3C DOM Workgroup that explains an application independent mechanism to access, parse, or

Threads, First, remember that different processes keep their own data in di...

First, remember that different processes keep their own data in distinct address spaces. Threads, on the other hand, explicitly share their entire address space with one another. A

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