WHAT'S THE DIFFERENCE BETWEEN THE ATOMIC AND NONATOMIC ATTRIBUTES?
Feb 26, 2009 Atomicity property attributes (atomic and nonatomic) are not reflected in the corresponding Swift property declaration, but the atomicity guarantees of the Objective-C … From stackoverflow.com
WHAT IS THE DIFFERENCE BETWEEN ATOMIC AND CRITICAL IN OPENMP?
Feb 27, 2015 Atomic Operations. If, as in the example above, our critical section is a single assignment, OpenMP provides a potentially more efficient way of protecting this. OpenMP … From stackoverflow.com
C++ ATOMIC ACQUIRE / RELEASE OPERATIONS WHAT IT ACTUALLY MEANS
Sep 20, 2020 But when std::memory_order_seq_cst is in action, any atomic operator works as memory barrier. This does not mean variable y is the atomic, compiler just guarantees that y = … From stackoverflow.com
Aug 2, 2016 If a processor word is 16 bits wide, a 16-bit MOV instruction will be atomic. However, a 32-bit MOV operation would not be atomic. Such a non-atomic MOV instruction is … From stackoverflow.com
WHEN DO I REALLY NEED TO USE ATOMIC<BOOL> INSTEAD OF BOOL?
May 1, 2013 Using std::atomic::compare_exchange we can do the entire if/swap logic atomically such that the other thread could not set a to false in between the if and the swap (without … From stackoverflow.com
C++ - WHAT EXACTLY IS STD::ATOMIC? - STACK OVERFLOW
Aug 13, 2015 std::atomic<> wraps operations that, in pre-C++ 11 times, had to be performed using (for example) interlocked functions with MSVC or atomic bultins in case of GCC. Also, … From stackoverflow.com
WHAT ARE ATOMIC TYPES IN THE C LANGUAGE? - STACK OVERFLOW
Dec 26, 2020 The type sig_atomic_t is always an integer data type, but which one it is, and how many bits it contains, may vary from machine to machine. Data Type: sig_atomic_t This is an … From stackoverflow.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 stackoverflow.com
WHAT ARE ATOMIC OPERATIONS FOR NEWBIES? - STACK OVERFLOW
Sep 6, 2018 Here, each upsert is atomic: the first one left count at 2, the second one left it at 3. Everything works. Note that "atomic" is contextual: in this case, the upsert operation only … From stackoverflow.com
WHAT DOES "ATOMIC" MEAN IN PROGRAMMING? - STACK OVERFLOW
"An operation acting on shared memory is atomic if it completes in a single step relative to other threads. When an atomic store is performed on a shared memory, no other thread can … From stackoverflow.com
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