发明授权
US08549255B2 Microprocessor, method and computer program product for direct page prefetch in millicode capable computer system 有权
微处理器,方法和计算机程序产品,用于在具有计算机能力的计算机系统中进行直接页面预取

Microprocessor, method and computer program product for direct page prefetch in millicode capable computer system
摘要:
A microprocessor equipped to provide hardware initiated prefetching, includes at least one architecture for performing: issuance of a prefetch instruction; writing of a prefetch address into a prefetch fetch address register (PFAR); attempting a prefetch according to the address; detecting one of a cache miss and a cache hit; and if there is a cache miss, then sending a miss request to a next cache level and attempting cache access in a non-busy cycle; and if there is a cache hit, then incrementing the address in the PFAR and completing the prefetch. A method and a computer program product are provided.
信息查询
0/0