The GPU Manager provides an overview and controls for what graphics cards are used for different aspects of PFClean.
The graphics cards configured for local batch processing are shown with a ✔ in the Process column.
The graphics card used for display and foreground processing is shown with a ✔ in the Display column.
If there is only a single graphics card in the machine then this card will be used for both foreground and background processing leading to potential performance issues. For optimal performance install dual graphics card and use one for foreground processing and separate cards for background processing.
The information panel (1) reveals more detailed information about each graphics card and lets you choose if the card should be used for processing.