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

What is the dissimilarity between dynamic strain aging, Q. What is the diss...

Q. What is the dissimilarity between dynamic strain aging and strain aging? Answer:- Strain aging could be explains as "normal wear and tear" or the fatigue that is experi

Explain the term confidentiality - firewall design policy, Explain the term...

Explain the term Confidentiality - Firewall Design Policy Whilst some corporate data is for public consumption, the vast majority of it should remain private.

Direct mapped cache - computer architecture, Direct Mapping: In this p...

Direct Mapping: In this particular technique, block j of the primary memory maps onto block j modulo 128 of the cache. The primary memory blocks 0,128,256,...is loaded

Perform multiplication with showing content of accumulator, Perform multipl...

Perform multiplication with showing the contents of accumulator, B register and Y register during each step. (Accumulator, B, Y are 4-bit registers) B=06 Y=02

Explain about communication displays and matrix, Q. What is communication D...

Q. What is communication Displays and Matrix? Communication Displays Communication displays offer support in concluding frequency of communication whether congestion in me

What is the significance timescale directive, What is the significance Time...

What is the significance Timescale directive? Defines time units and simulation precision (smallest increment). Syntax 'timescale TimeUnit / PrecisionUnit TimeUnit =

Explain an expression tree with a suitable example, What is an expression t...

What is an expression tree? How an expression is evaluated using an expression tree? Algebraic expressions is as given here a/b+(c-d)e That has an inherent tree-like structure

Explain various classes of datatypes of c, Explain various classes of datat...

Explain various classes of datatypes of C   Following are the main classes of data types in C language: 1.  Primary data types: Also called as fundamental/basic data types

Explain common control, Explain Common Control. Common Control: Those...

Explain Common Control. Common Control: Those systems wherein the control subsystem is outside the switching network are termed as common control switching system. Therefore,

Explain the fixed logic versus programmable logic, Explain the Fixed Logic ...

Explain the Fixed Logic Versus Programmable Logic? The Logic devices can be classified into two broad categories - fixed and programmable. The same as the name suggests, the ci

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