发明授权
- 专利标题： Information processing system and information processing method
- 专利标题（中）： 信息处理系统和信息处理方法
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申请号： US12510510申请日： 2009-07-28
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公开(公告)号： US08671246B2公开(公告)日： 2014-03-11
- 发明人: Takashi Toyoshima , Shuji Yamamura , Atsushi Mori , Takashi Aoki
- 申请人： Takashi Toyoshima , Shuji Yamamura , Atsushi Mori , Takashi Aoki
- 申请人地址： JP Kawasaki
- 专利权人： Fujitsu Limited
- 当前专利权人： Fujitsu Limited
- 当前专利权人地址： JP Kawasaki
- 代理机构： Fujitsu Patent Center
- 主分类号： G06F12/00
- IPC分类号： G06F12/00 ; G06F13/00 ; G06F13/28
摘要：
An information processing system performs a prefetch for predicting data that is likely to be accessed by a central processing unit, reading the predicted data from a main memory, and storing the data in a cache area in advance. The information processing system includes a usage information storage unit that stores therein usage information indicating whether prefetched data has been accessed; and a usage information writing unit that writes the usage information of the prefetched data in the usage information storage unit.
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