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    • 48. 发明授权
    • Apparatus for realigning database fields through the use of a crosspoint
switch
    • 用于通过使用交叉点开关重新排列数据库字段的装置
    • US5619713A
    • 1997-04-08
    • US390143
    • 1995-02-17
    • Richard I. BaumGlen A. BrentDonald H. GibsonDavid B. Lindquist
    • Richard I. BaumGlen A. BrentDonald H. GibsonDavid B. Lindquist
    • G06F7/24F02B75/02G06F15/78G06F17/30
    • G06F17/30595G06F15/78F02B2075/027Y10S707/99931Y10S707/99934Y10S707/99937Y10S707/99943Y10S707/99952
    • A processor functioning as a coprocessor attached to a central processing complex provides efficient execution of the functions required for database processing: sorting, merging, joining, searching and manipulating fields in a host memory system. The specialized functional units: a memory interface and field extractor/assembler, a Predicate Evaluator, a combined sort/merge/join unit, a hasher, and a microcoded control processor, are all centered around a partitioned Working Store. Each functional unit is pipelined and optimized according to the function it performs, and executes its portion of the query efficiently. All functional units execute simultaneously under the control processor to achieve the desired results. Many different database functions can be performed by chaining simple operations together. The processor can effectively replace the CPU bound portions of complex database operations with functions that run at the maximum memory access rate improving performance on complex queries.
    • 用作连接到中央处理复合体的协处理器的处理器提供数据库处理所需功能的有效执行:在主机存储器系统中排序,合并,加入,搜索和操纵字段。 专业功能单元:存储器接口和字段提取器/汇编器,谓词评估器,组合排序/合并/连接单元,哈希器和微编码控制处理器都围绕分区的工作存储区。 每个功能单元根据其执行的功能进行流水线和优化,并有效地执行其查询部分。 所有功能单元在控制处理器下同时执行以实现所需的结果。 可以通过一起链接简单的操作来执行许多不同的数据库功能。 处理器可以通过以最大内存访问速率运行的功能有效地替代复杂数据库操作的CPU绑定部分,从而提高复杂查询的性能。
    • 49. 发明授权
    • Database engine
    • 数据库引擎
    • US5537622A
    • 1996-07-16
    • US323425
    • 1994-10-14
    • Richard I. BaumGlen A. BrentDonald H. GibsonDavid B. Lindquist
    • Richard I. BaumGlen A. BrentDonald H. GibsonDavid B. Lindquist
    • G06F7/24F02B75/02G06F15/78G06F17/30G06F15/00
    • G06F17/30595G06F15/78F02B2075/027Y10S707/99931Y10S707/99934Y10S707/99937Y10S707/99943Y10S707/99952
    • A processor functioning as a coprocessor attached to a central processing complex provides efficient execution of the functions required for database processing: sorting, merging, joining, searching and manipulating fields in a host memory system. The specialized functional units: a memory interface and field extractor/assembler, a Predicate Evaluator, a combined sort/merge/join unit, a hasher, and a microcoded control processor, are all centered around a partitioned Working Store. Each functional unit is pipelined and optimized according to the function it performs, and executes its portion of the query efficiently. All functional units execute simultaneously under the control processor to achieve the desired results. Many different database functions can be performed by chaining simple operations together. The processor can effectively replace the CPU bound portions of complex database operations with functions that run at the maximum memory access rate improving performance on complex queries.
    • 用作连接到中央处理复合体的协处理器的处理器提供数据库处理所需功能的有效执行:在主机存储器系统中排序,合并,加入,搜索和操纵字段。 专用功能单元:存储器接口和字段提取器/汇编器,谓词评估器,组合分类/合并/连接单元,哈希器和微编码控制处理器都围绕分区的工作存储区居中。 每个功能单元根据其执行的功能进行流水线和优化,并有效地执行其查询部分。 所有功能单元在控制处理器下同时执行以实现所需的结果。 可以通过一起链接简单的操作来执行许多不同的数据库功能。 处理器可以通过以最大内存访问速率运行的功能有效地替代复杂数据库操作的CPU限制部分,从而提高复杂查询的性能。