Answer by Peter Cordes for What is the (slight) difference on the relaxing...
If you "relax" some ordering requirements of seq_cst, there's mo_acq_rel (and pure acquire and pure release).Even more relaxed than that is mo_relaxed; no ordering wrt. anything else, just...
View ArticleAnswer by curiousguy for What is the (slight) difference on the relaxing...
And if that is true, and the default seq_cst means both, doesn't that mean a full fenceIt absolutely does not mean both or "full fence" whatever that is.seq_cst impliesacquire only on load operations...
View ArticleAnswer by Cubbi for What is the (slight) difference on the relaxing atomic...
It can be a bit confusing to call myatomic.load(std::memory_order_acquire); a "relaxed atomic" load, since there is a std::memory_order_relaxed. Some people describe any order weaker than seq_cst as...
View ArticleWhat is the (slight) difference on the relaxing atomic rules?
After seeing Herb Sutters excellent talk about "atomic weapons" I got a bit confused about the Relaxed Atomics examples.I took with me that an atomic in the C++ Memory Model (SC-DRF = Sequentially...
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