Cache system, method and device of processor and computer medium

Disclosed are a cache system, method and device of a processor and a readable medium of a computer. The system comprising: a cache configured for sharing by a plurality of hardware equipment, where each resources in the cache are associated with service categories; wherein a first thread belonging to a first service category can use cache resources associated with the first service category, and a second thread belonging to a second service category can use cache resources associated with the second service category; and a control unit which is configured to respond to a request of the first thread and hit a cache resources related to the second service category, and the cache resources are assigned to the first service category based on the occupancy priority of the first service category and the occupancy priority of the second service category. It is determined whether to migrate requested data of the first thread to cache resources associated with the first service category. 提供处理器的高速缓存系统、其方法、设备和计算机可读介质，该系