Call of Duty: Warzone, what changes PRO
The file
Documents\Call of Duty\players\adv_options.ini
What changes
- RendererWorkerCount equal to the CPU's physical cores minus one, never below 2
Good to know
- It's the most common advice, but sources don't all agree. If things get worse, restore it.
- The game writes the file itself. If it isn't there yet, start Warzone once and try again.
How to go back
Before changing the file the app saves a copy. Restore puts it back as it was, even if the subscription has ended.
With Game Mode
While the game is open the app puts the power plan at the top, raises the process priority and, on hybrid CPUs, picks the cores it can use. When you close it, everything goes back to how it was. It works with the app open, even minimised to the tray, and the app can start by itself with Windows.
Anti-cheat
The config only changes the file, which the game reads by itself. Game Mode changes the process priority from outside and, on hybrid CPUs, the cores it can use, as you can do from Task Manager. The app doesn't read or change game memory and doesn't inject anything. Nobody but the people who make the game can guarantee what its anti-cheat accepts.
What about FPS?
You won't find a promised number here, because what you gain depends on the game and the PC.