Cache
The Cache is used to save frames in memory for preview, so they can be later displayed much faster than rendered from scratch. Cache capacity can be set in the System tab of the Preferences.
In order for this tab to be visible, enable Developer Extras.
See also
Which frames are cached can be visualized by enabling Show Cache.
Cache Settings
Reference
Panel:
Sidebar ‣ Cache ‣ Cache Settings
In this panel you can set up types of images that will be cached for all strips.
Cache
Raw
Cache raw images read from drive, for faster tweaking of strip parameters at the cost of memory usage.
Pre-processed
Cache preprocessed images, for faster tweaking of effects at the cost of memory usage.
Composite
Cache intermediate composited images, for faster tweaking of stacked strips at the cost of memory usage.
Final
Cache final image for each frame.
Strip Cache
Reference
Panel:
Sidebar ‣ Cache ‣ Cache Settings
This panel sets the types of images that will be cached for the active strip. When enabled, these properties override the Cache Settings.
Cache
Raw
Cache raw images read from drive, for faster tweaking of strip parameters at the cost of memory usage.
Preprocessed
Cache preprocessed images, for faster tweaking of effects at the cost of memory usage.
Composite
Cache intermediate composited images, for faster tweaking of stacked strips at the cost of memory usage.