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C++ High Performance
book

C++ High Performance

by Viktor Sehr, Björn Andrist
January 2018
Intermediate to advanced
374 pages
9h 53m
English
Packt Publishing
Content preview from C++ High Performance

Time slicing

"How are concurrent threads executed on machines with only a single CPU core?" you might ask. The answer is time slicing. It is the same mechanism that is being used by the operating system to support concurrent execution of processes. In order to understand time slicing, let's assume we have two separate sequences of instructions that should be executed concurrently, as shown in the following figure:

Two separate sequences of instructions executed in two threads labeled T1 and T2

The numbered boxes represent instructions. Each sequence of instructions is executed in separate threads labeled T1 and T2. The operating system will ...

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Publisher Resources

ISBN: 9781787120952