Modern C++ Concurrency: Get the most out of any machine/

...

/

Data dependencies with std::memory_order_consume

Data dependencies with std::memory_order_consume

This lesson explains data dependencies with std::mem_order_consume in C++.

We'll cover the following...

std::memory_order_consume deals with data dependencies on atomics; these data dependencies exist in two ways. First, let us look at carries-a-dependency-to in a thread and dependency-ordered before between two threads. Both dependencies introduce a happens-before relation. These are the kind of relations we are looking for. What does carries-a-dependency-to and dependency-order-before mean?

...