c++ Programming Glossary: memory_order_release

http://stackoverflow.com/questions/12346487/what-do-each-memory-order-mean

this mean all atomic variables on all threads are synced memory_order_release Pushes the atomic store to other threads but only if they read.. shared memory data. The third mode memory_order_acquire memory_order_release is a hybrid between the other two. The acquire release mode..

Does the semantics of `std::memory_order_acquire` requires processor instructions on x86/x86_64?

http://stackoverflow.com/questions/18576986/does-the-semantics-of-stdmemory-order-acquire-requires-processor-instruction

memory barriers memory_order_consume memory_order_acquire memory_order_release memory_order_acq_rel does not require a processor instructions.. 000000013F931A0D mov dword ptr a 0 a.store 1 std memory_order_release 000000013F931A15 mov dword ptr a 1 But this code doesn't comfirm.. to a simple load instruction and some_atomic.store std memory_order_release drops through to a simple store instruction. Where am I wrong..

std::atomic | compare_exchange_weak vs. compare_exchange_strong

http://stackoverflow.com/questions/4944771/stdatomic-compare-exchange-weak-vs-compare-exchange-strong

memory_order __m1 memory_order __m2 __glibcxx_assert __m2 memory_order_release __glibcxx_assert __m2 memory_order_acq_rel __glibcxx_assert.. memory_order __m1 memory_order __m2 __glibcxx_assert __m2 memory_order_release __glibcxx_assert __m2 memory_order_acq_rel __glibcxx_assert..

Double-Checked Lock Singleton in C++11

http://stackoverflow.com/questions/6086912/double-checked-lock-singleton-in-c11

memory_order_acquire Tp i new Tp m_instance.store i std memory_order_release return m_instance.load std memory_order_relaxed Is the std.. its correctness or a further std atomic_thread_fence std memory_order_release is also required to ensure that the writes to memory of the.. Yet is the use of fence equivalent to have the store with memory_order_release EDIT Thanks to the answer of John I came up with the following..

C++11 introduced a standardized memory model. What does it mean? And how is it going to affect C++ programming?

http://stackoverflow.com/questions/6319146/c11-introduced-a-standardized-memory-model-what-does-it-mean-and-how-is-it-g

write Global atomic int x y Thread 1 Thread 2 x.store 17 memory_order_release cout y.load memory_order_acquire y.store 37 memory_order_release.. cout y.load memory_order_acquire y.store 37 memory_order_release cout x.load memory_order_acquire endl This takes us back to..

Memory model ordering and visibility?

http://stackoverflow.com/questions/7461484/memory-model-ordering-and-visibility

memory_order_acquire . Similarly a.store x memory_order_release is equivalent to a call to atomic_thread_fence memory_order_release.. is equivalent to a call to atomic_thread_fence memory_order_release before a call to a.store x memory_order_relaxed . memory_order_consume.. ready false int i 0 void thread_1 i 42 ready.store true memory_order_release void thread_2 while ready.load memory_order_acquire std this_thread..

How to use std::atomic efficiently

http://stackoverflow.com/questions/8749038/how-to-use-stdatomic-efficiently

a.load std memory_order_acquire and a.store new_value std memory_order_release are no more expensive than loads and stores to non atomic variables..