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, …

Sep 6, 2018 · Everything works. Note that "atomic" is contextual: in this case, the upsert operation only needs to be atomic with respect to operations on the answers table in the database; the …

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 …

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 …

Jul 1, 2016 · So this would be a very severe difference between atomic<bool> and a regular bool protected by a mutex, is this correct? Edit: There actually seems to be a difference in what is …

Aug 2, 2016 · I read this in the book C# 6.0 and the .NET 4.6 framework: “assignments and simple arithmetic operations are not atomic”. So, what does it exactly mean?

Sep 24, 2022 · Answer accepted. I want to add that while atomic_xchg approach works, it is very inefficient (at least on NVIDIA GPUs). By profiling my similarly implemented OpenCL and …

4 C++20 includes specializations for atomic<float> and atomic<double>. Can anyone here explain for what practical purpose this should be good for?

Feb 26, 2009 · The last two are identical; "atomic" is the default behavior (note that it is not actually a keyword; it is specified only by the absence of nonatomic -- atomic was added as a …

Oct 20, 2014 · Atomic type specifiers :-:) Syntax: _Atomic ( type-name ); You can declare an atomic integer like this: _Atomic(int) counter; The _Atomic keyword can be used in the form …