By Kris Kaspersky
A consultant to optimizing courses at the laptop and Unix systems, this publication covers the expediency of optimization and the the way to elevate the rate of courses through optimization. mentioned are standard blunders made by means of programmers that reduce the functionality of the method besides simply applied suggestions. certain descriptions of the units and mechanism of interplay of the pc elements, powerful methods of programming, and a method for optimizing courses, are supplied. Programmers also will the way to successfully enforce programming equipment in a high-level language that's frequently performed in assembler with specific realization given to the RAM subsystem. The operating rules of the RAM and how within which it really is coupled with the processor in addition to an outline of programming equipment that enables programmers to overclock the reminiscence to arrive greatest functionality are integrated.
Read or Download Code Optimization: Effective Memory Usage PDF
Similar software development books
The readership won't simply include programmers. it's going to additionally entice method designers, to shoppers wishing to specify their standards, to evaluators of structures, and to teachers and software program engineering scholars. briefly, somebody who desires to learn a VDM specification with knowing. 2nd/3rd yr desktop technology classes, quite software program engineering.
This booklet is a hugely functional educational consultant to the Z specification language and its position in software program improvement. The ebook illustrates how everyday tactics and judgements will be made exact utilizing arithmetic. starting with a case learn, this ebook is designed to be as self-contained as attainable, taking the reader in the course of the uncomplicated suggestions in good judgment and set idea formulating specified rules approximately software program platforms, and combines a proper strategy with sensible examples of its use in software program improvement.
Construct step forward functionality into Any SOA or complicated Computing ApplicationTo meet remarkable call for, IT companies needs to increase program functionality through an order of value. enhancing functionality is much more the most important in SOA environments, which call for way more computing strength than older architectures.
This succinct publication explains how one can observe the practices of Lean software program improvement to dramatically raise productiveness and caliber. according to strategies that revolutionized eastern production, Lean rules are being utilized effectively to product layout, engineering, the provision chain, and now software program improvement.
- Service-oriented architecture: SOA strategy, methodology, and technology
- Beautiful Software
- The Art of Agile Development: Pragmatic guide to agile software development
- Getting Started with Dynamics NAV 2013 Application Development
- Computer Organization and Design Fundamentals
Additional resources for Code Optimization: Effective Memory Usage
Consequently, accessing it must take only one clock. Has someone discarded this data from cache, or has some conflict occurred? Trying to guess the answer could take forever, because this code isn't causing the problem; it comes from a different branch of the program. Now, it is time to employ one of the most powerful functions of VTune: dynamic analysis. This allows you not only to detect the leak, but also to find the reason behind it. Dynamic analysis isn't carried out on the "live" processor; rather, it is done on its soft emulator.
This increases the loop execution time. Advice Do the following: ♦ Change the sequence of the array dimensions in the array declaration. ♦ Interchange the loop control statements. Result The order in which the array elements are referenced is more sequential. Fewer data cache misses occur, significantly reducing the loop execution time. What? Where are multidimensional loops or cache misses? There is nothing of the sort! Presumably, this is an error by the Coach. ) However, consider the example provided by the Coach.
Calculation of the password length by its duration is comparable to calculation of its CRC. But why do you need to calculate the length of each password? Password checking isn't chaotic. On the contrary, passwords are generated in a strict order. This method increments passwords by one character; but it isn't used frequently. Therefore, perhaps it would be better to delegate this task to the gen_pswd function. Let this 38 Chapter 1: Program Profiling Chapter 1: Program Profiling 39 function determine the length of initial password, then, as the string length is incremented, increment the global variable length by one character.