Recalculation of prices and availability works in real time. If earlier there was an action to launch price recalculation and it was triggered forcibly, now if you have configured rules and a product has a price, the recalculation works without action.
The application works in the background and in real time. If you run a full price recalculation, the system will automatically split this process into streams according to each rule. Accordingly, you will be able to recalculate the price of goods many times faster.
The more cores you have on the server, the faster the recalculation and execution of operations in the system.