Thread Pooling
Explore thread pooling in this lesson to understand how to efficiently manage multiple threads in C# applications. Learn how reusing threads from a pool reduces overhead and context switching, improving performance in background and parallel operations. Discover the role of the ThreadPool class and how to use its methods to run tasks effectively without creating constant new threads.
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Introduction
Having multiple threads expedites application execution, in theory. The program would use the CPU’s multiple cores. However, the practical benefit of multithreading depends on a number of factors. First of all, creating and starting a thread is a taxing operation. If our program is constantly instantiating the Thread class in an effort to parallelize the execution of several methods, run a single method several times in parallel, or perform some long-running jobs in the background, we can be sure that performance will be affected (not always in a good way). Secondly, constant context switching negatively affects performance.
When we need ...