Define elimination of common sub expression, Computer Engineering

Assignment Help:

Explain Elimination of common sub expression during code optimization

An optimizing transformation is a regulation for rewriting a segment of a program to enhance its execution competence without influencing its meaning. One of the methods is "Common sub expression elimination"

In given expression as "(a+b)-(a+b)/4", in this "common sub-expression" termed to the duplicated "(a+b)". Compilers implementing such technique realize that "(a+b)" won't modify, and as such, only compute its value once.


Related Discussions:- Define elimination of common sub expression

Define the meaning of document and finger print, a. Define the meaning of "...

a. Define the meaning of "Document & Finger print" and "Message & Message Digest". What's the difference among the 2 pairs? b. Describe Davies Meyer scheme with diagram. c. W

Translate the sentences into predicate calculus, Translate each of the foll...

Translate each of the following sentences into predicate calculus, conceptual dependencies, and conceptual graphs: 1. Bill sold the book to the book store." 2. "John borrowed

What is macro call, What is macro call? Explain. Macro call: While a...

What is macro call? Explain. Macro call: While a macro name is used along with a set of actual parameters this is replaced through a code generated from its body. Such code

What is the working set of a process, What is the working set of a process?...

What is the working set of a process? The set of pages that are referred by the method in the last "n", references, where "n" is called the window of the working set of the pro

Explain control word, What is control word? A control word is a word wh...

What is control word? A control word is a word whose individual bits show the various control signals.

System analysis and design, write an algorithm on railway reservation ticke...

write an algorithm on railway reservation ticket window

Explain the client-server interaction using messages, Explain the Client-Se...

Explain the Client-Server Interaction Using Messages As we have learned, client- server interaction may be managed in many ways. A message- based interaction is perhaps the bes

Flowchart, flow chart for ''sin x'' as sum of serie

flow chart for ''sin x'' as sum of serie

Explain one dimensional array, Explain one dimensional arrays In one di...

Explain one dimensional arrays In one dimensional arrays array name is really a pointer to the first element in the array. Second element of the array can be accessed by using

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