Oct 20, 2014 · Why the standard make that difference? It seems as both designate, in the same way, an atomic type.

May 8, 2015 · In the Effective Java book, it states: The language specification guarantees that reading or writing a variable is atomic unless the variable is of type long or double [JLS, 17.4.7]. What do...

Sep 18, 2023 · Fortunately, the value initializing constructor of an integral atomic is constexpr, so the above leads to constant initialization. Otherwise you'd want to make it -say- a static member of a …

Mar 27, 2013 · Can someone explain to me, whats the difference between atomic operations and atomic transactions? Its seems to me that these two are the same thing.Is that correct?

Apr 30, 2016 · I remember I came across certain types in the C language called atomic types, but we have never studied them. So, how do they differ from regular types like int,float,double,long etc., and …

Aug 13, 2015 · Objects of atomic types are the only C++ objects that are free from data races; that is, if one thread writes to an atomic object while another thread reads from it, the behavior is well-defined. …

Jan 6, 2012 · std::atomic is new feature introduced by c++11 but I can't find much tutorial on how to use it correctly. So are the following practice common and efficient? One practice I used is we have a buff...

Jun 4, 2014 · The definition of atomic is hazy; a value that is atomic in one application could be non-atomic in another. For a general guideline, a value is non-atomic if the application deals with only a …

The reason num++ appears to be atomic is because on x86 machines, incrementing a 32-bit integer is, in fact, atomic (assuming no memory retrieval takes place). But this is neither guaranteed by the c++ …

Sep 26, 2022 · An atomic operation is a trio of steps read, modify, and write (or, load, operate, and store) in that order and with no interruptions or re-ordering allowed in the instruction or data paths. In …