May 2013
Intermediate to advanced
1376 pages
47h 26m
English
Content preview from The C++ Programming Language, 4th Edition
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41. Concurrency
Keep it simple:
as simple as possible,
but no simpler.
– A. Einstein
Memory Location; Instruction Reordering; Memory Order; Data Races
• Atomics
atomic Types; Flags and Fences
• volatile
• Advice
41.1. Introduction
Concurrency – the execution of several tasks simultaneously – is widely used to improve throughput (by using several processors for a single computation) or to improve responsiveness (by allowing one part of a program to progress while another is waiting for a response).
The C++ standard support for concurrency is introduced in a tutorial manner in §5.3. This chapter and the next provide a more detailed and systematic view.
We call an activity potentially executed concurrently with other ...
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