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C# Multithreaded and Parallel Programming by Rodney Ringler

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OS scheduler operations

So far we have been discussing hardware and the number of CPUs, hardware cores, and logical cores; now, let's transition to software threads and the OS. A software application or service can run in one or many processes and threads. Typically, a software application has a user interface and is run by a user of the computer, while a software process is run by the OS and runs in the background. Both of these are types of software that are being executed by the computer they are running on.

Each application or service in turn has one or several processes that they actually execute inside. Processes are the running objects of an application or service. Also, each process has one or many execution threads (or software threads). ...

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