C++ Footprint and Performance Optimization by Rene Alexander, Graham Bensley

By Rene Alexander, Graham Bensley

Different reports pointed out that this isn't a e-book for complicated humans. that is precise. It was once very worthwhile to me, despite the fact that. I did a few C++ and alertness improvement in highschool, yet positioned it away and did not give it some thought a lot. Now whilst it got here time to accomplish a computationally-intensive simulation, i discovered myself with lovely obscure wisdom of C++, and the way it truly works. This e-book used to be precisely on the correct point for me. it is a bridge among newbie and intermediate/advanced. plenty of solid useful wisdom. expert but understandable writing variety.

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Another advantage of scheduling these tests in the planning is that implementers get used to the idea of doing performance and footprint testing as part of the development cycle. During implementation, they will be more aware of its importance and be continually reminded of the perhaps less-visible requirements for these topics. Data Processing Methods Basically, the functionality of every computer program comes down to processing data. Whether it is a simple calculator tool or a full-blown spreadsheet with Internet stock market interactivity, data is being provided and the program processes it and returns results.

It now becomes even more clear how important quantifiable requirements and design estimations are (refer to Chapter 2, "Creating a New System"). Time previously spent on those two topics is now paying off. The following sections examine some common situations which can be found when comparing the results of step 1 with the requirements and design. Unpredictably Excessive Processing Time When parts of the system exceed the amount of time initially anticipated, quite likely a coding problem introduced in the implementation phase is at the heart of this behavior.

To ensure a good development process, it's a good idea to take the time to identify and monitor possible performance and footprint problem areas early on as well as throughout the development cycle. Although it is often desirable to restart a project from scratch, you might not always have that opportunity because of constraints on, for example, time or budget. This chapter shows how to work with preexisting development problems for instance, software that has to operate under new or more restrictive requirements.

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