发明授权
- 专利标题: Full track read for adaptive pre-fetching of data
- 专利标题(中): 全面跟踪读取数据的自适应预取
-
申请号: US12006127申请日: 2007-12-31
-
公开(公告)号: US07899996B1公开(公告)日: 2011-03-01
- 发明人: Orit Levin-Michael
- 申请人: Orit Levin-Michael
- 申请人地址: US MA Hopkinton
- 专利权人: EMC Corporation
- 当前专利权人: EMC Corporation
- 当前专利权人地址: US MA Hopkinton
- 代理机构: Muirhead and Saturnelli, LLC
- 主分类号: G06F12/00
- IPC分类号: G06F12/00
摘要:
Adaptively pre-fetching data includes collecting a first set of statistics based on a number of avoidable read-misses in which data exists that is prior to data being read, collecting a second set of statistics based on a number of avoidable read-misses in which data exists that follows data being read, and collecting a third set of statistics based on said first and second sets of statistics. On the basis of the second set of statistics, a pre-fetch technique is selected from a first technique that pre-fetches data following data being read and a second technique that pre-fetches data before and following the data being read. The first and third set of statistics may be used to determine when to pre-fetch data.
信息查询