Some Settings Parameter Values

Cache in Settings Preferences, Performance tab is used to store images on the timeline. One 1080p frame uses about 10 MB. The default setting is 256 and this is enough for testing and running. However, why not use more memory if it is available. To experiment for testing a good number tuned to the way you use your computer, set the cache to 0, start up CINELERRA-GG, load a typical media file, play it and run top on the command line in another window to see how much memory is being used. In the top display, look at free memory. Whatever your computer is not using, is a good number to use for cache. If you start other programs, or change the design of the session so that it uses a lot of frame storage, you may need to experiment again later and resize accordingly.

For system swap, 1 GB seems to be more than sufficient. If the amount of memory being used by the program is close, then swap might save you but often if swapping becomes necessary, it presents more problems and you end up killing the CINELERRA-GG process anyway.

The CINELERRA-GG Community, 2021