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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

Understanding the basics of concurrency

A concurrent program can execute multiple tasks at the same time. Concurrent programming is, in general, a lot harder than sequential programming, but there are several reasons why a program may benefit from being concurrent:

  • Efficiency: Smartphones and desktop computers of today have multiple CPU cores that can execute multiple tasks in parallel if your program allows it to. If you manage to split a big task into subtasks that can be run in parallel, it is theoretically possible to divide the running time of the big task by the number of CPU cores. For programs that run on machines with one single core, there can still be a gain in performance if a task is I/O bound. While one subtask is waiting for ...
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Publisher Resources

ISBN: 9781787120952