Two new Apple patents involving cache management and call path enforcement have appeared at the US Patent & Trademark Office.
Patent number 20110043528 is for cache management for glyph display. This is directed to managing a cache size for glyphs used to display text or other information in an electronic device. In particular, this is directed to defining a variable hit rate for retrieving glyphs loaded in cache to limit the number of times the device is required to read glyphs from storage.
The hit rate can vary based on any suitable number or type of factors, including for example the characters previously displayed or to be displayed in the future, the system requirements for system memory, or any other suitable factor. In some embodiments, the hit rate can vary when characters in a second alphabet are displayed among or after characters in a first alphabet (e.g., Japanese characters in a listing of Latin characters). The inventors are Dmitriy Solomonov,...| Read more »