发明授权
US08171047B2 Query execution and optimization utilizing a combining network in a parallel computer system
失效
使用并行计算机系统中的组合网络进行查询执行和优化
- 专利标题： Query execution and optimization utilizing a combining network in a parallel computer system
- 专利标题（中）： 使用并行计算机系统中的组合网络进行查询执行和优化
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申请号： US11834827申请日： 2007-08-07
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公开(公告)号： US08171047B2公开(公告)日： 2012-05-01
- 发明人: Eric L. Barsness , David L. Darrington , Amanda E. Peters , John M. Santosuosso
- 申请人： Eric L. Barsness , David L. Darrington , Amanda E. Peters , John M. Santosuosso
- 申请人地址： US NY Armonk
- 专利权人： International Business Machines Corporation
- 当前专利权人： International Business Machines Corporation
- 当前专利权人地址： US NY Armonk
- 代理机构： Martin & Associates, LLC
- 代理商 Bret J. Petersen
- 主分类号： G06F7/00
- IPC分类号： G06F7/00 ; G06F17/30
摘要：
An apparatus and method for a database query optimizer utilizes a combining network to optimize a portion of a query in a parallel computer system with multiple nodes. The efficiency of the parallel computer system is increased by offloading collective operations on node data to the global combining network. The global combining network performs collective operations such as minimum, maximum, sum, and logical functions such as OR and XOR.
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