By Rene Alexander, Graham Bensley

Different studies pointed out that this isn't a ebook for complicated humans. that is actual. It was once very beneficial to me, besides 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 really works. This publication was once precisely on the correct point for me. it is a bridge among newbie and intermediate/advanced. plenty of sturdy sensible wisdom. specialist but understandable writing kind.

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Extra resources for C++ Footprint and Performance Optimization

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Maintenance (including preventive maintenance) can be difficult to schedule when the system is active longer. • The input data cannot be demanded instantly and limits the availability of processed data. Part I: Everything But the Code 31 32 Part I: Everything But the Code Batch Processing As with periodic processing, batch processing takes advantage of the uneven workload of a system. This time, however, the processing is not necessarily triggered at a prespecified time more likely, an event triggers the processing.

Consecutive steps need the processed data to continue. This means placing data in waiting queues and simply processing until the job is done (such as is the case when copying a large number of files with a file manager). 30 Part I: Everything But the Code Part I: Everything But the Code 31 Processing on Request Processing on request is basically the opposite of processing immediately. Instead of processing the data as it comes in (input), processing occurs when the data is needed (output). This means no processing occurs other than that which is absolutely necessary.

This means no processing occurs other than that which is absolutely necessary. It also means that processing demands can become high when the demand for data becomes high. Still, it can sometimes be useful to postpone processing. The following advantages can be identified: • No time is lost on processing data during input; maximum performance is thus available for the input function. This is important for programs which need to respond fast to capture available data, such as sampler software for audio (audio sampling), video, or medical data (CAT scan).

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