Read e-book online C# Multithreaded and Parallel Programming PDF

By Rodney Ringler

ISBN-10: 184968832X

ISBN-13: 9781849688321

Most recent machines have dual-core processors. which means the present-day machine has the power to multitask. utilizing a number of cores skill your functions can method info quicker and be extra aware of clients. in spite of the fact that, to completely make the most this on your purposes, you must write multithreading code.
We will commence via overlaying a few ideas which have been round because the starting of .NET, together with the BackgroundWorker part, timers, and the Thread type. we are going to use projects, job factories, and parallel loops to advance multithreaded functions at a better point than at once developing and coping with person threads. ultimately, we'll examine the instruments visible Studio presents for debugging parallel purposes, universal concurrent layout styles, and the newest updates in PLINQ and async.

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A number of the studies of this e-book point out the historical past of the reviewer.
If you're contemplating studying C from this publication, I recommend you think about
carefully the studies through people with a history on the subject of yours. Pay
less realization to these with a considerably diversified historical past. But.
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Extra resources for C# Multithreaded and Parallel Programming

Sample text

Int liCharNumber; // This variable will hold a char generated from the number in i char lcChar; // This variable will hold the current Label control that shows the char position being decoded. Text = lcChar. Title); } } 5. Title); [ 45 ] Looking at Multithreaded Classes – BackgroundWorker You must comment out these lines of code because, as the BackgroundWorker object creates a new thread in which the loop is going to run, it cannot make changes to the user interface. There are mechanisms to do that, and we will learn them later.

The scheduler determines which software threads run on which core (physical) each clock cycle. So, during each clock cycle in a computer, each core can execute an instruction of a software thread. Remember that using hyperthreading technology, the scheduler treats each logical core as a physical core. But in actuality, in each clock cycle, each physical core executes a single software thread's instruction. Also important in our parallel development and estimation of performance gains is that we are assuming in our estimates that all hardware cores are available to our software application each clock cycle.

This is important to remember because of the limitation mentioned in the previous section where a CPU only executes an instruction each clock cycle for a physical core. Let's take a second to look at some examples. First, if you are on a Windows machine (which we will assume for the examples in this book), you can right-click on the Taskbar and run the Task Manager. The following is a sample from my computer: [ 18 ] Chapter 1 When looking at the Performance tab, you can see it shows four CPUs running.

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C# Multithreaded and Parallel Programming by Rodney Ringler


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