C++ - STD::ATOMIC WITH MULTIPLE THREADS - STACK OVERFLOW
Jan 31, 2025 See also Is incrementing an int effectively atomic in specific cases? for more about atomic RMW on real CPUs, and about pure-loads and pure-stores. Even if counter wasn't lock … From bing.com
WHEN SHOULD YOU USE STD::ATOMIC INSTEAD OF STD::MUTEX?
When is_lock_free returns false, it means that atomic has a lock, and equivalent performance with code with locks. This does not mean that you should always use atomic instead of mutex … From bing.com
HOW ARE ATOMIC OPERATIONS IMPLEMENTED AT A HARDWARE LEVEL?
There are a few low level instructions used locking and atomic operations. These are used at the OS level to manipulate small chunks of memory to create things like mutexes and … From bing.com
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 … From bing.com
C++ - WHY DOES G++ STILL REQUIRE -LATOMIC - STACK OVERFLOW
Jun 2, 2015 Relevant reading on the GCC homepage on how and why GCC makes library calls in certain cases regarding <atomic> in the first place. GCC and libstdc++ are only losely … From bing.com
WHAT ARE ATOMIC TYPES IN THE C LANGUAGE? - STACK OVERFLOW
Dec 26, 2020 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 … From bing.com
WHAT DOES "ATOMIC" MEAN IN PROGRAMMING? - STACK OVERFLOW
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... From bing.com
HOW TO IMPLEMENT AN ATOMIC COUNTER - STACK OVERFLOW
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 … From bing.com
WHAT ARE ATOMIC OPERATIONS FOR NEWBIES? - STACK OVERFLOW
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 … From bing.com
IS THERE A DIFFERENCE BETWEEN THE _ATOMIC TYPE QUALIFIER AND TYPE ...
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 … From bing.com
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