What is memory ordering in atomic operations?

What is memory ordering in atomic operations?

Memory ordering refers to the sequence in which operations (like reads and writes) are perceived to occur in a multi-threaded environment.

Why is memory ordering important in concurrent programming?

It's crucial because it affects the visibility of changes made by one thread to other threads, ensuring data consistency.

Can you explain the different types of memory ordering models?

Sure! The main models include total order, partial order, and relaxed order, each defining how operations are seen by threads.

What are atomic operations and how do they relate to memory ordering?

Atomic operations are indivisible actions that complete without interruption, and they rely on memory ordering to maintain consistency.