GeeCON 2023: Rafał Foltynski, Nick Palmer – Zdecydowanie deterministyczny i jak może Ci pomóc

We will walk through what determinism means, how you can put in into practice and the crucial benefits this brings you as a developer. LMAX runs a financial exchange where the core of the strategy is simply a matching engine - a giant state machine. For a matching engine, or any state machine, ensuring that you can mutate it in a deterministic manner is key. Is reliability, easy strategy recovery and focus on writing (probably) the fastest Java code in the planet on your list of interests? Join us to see how a single decision changed the way reason about code and problems we solve, and made our lives easier!