发明授权
- 专利标题: Pipelined multiple operand minimum and maximum function
- 专利标题(中): 流水线多操作数最小和最大功能
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申请号: US12014183申请日: 2008-01-15
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公开(公告)号: US08356160B2公开(公告)日: 2013-01-15
- 发明人: Adam J. Muff , Matthew R. Tubbs
- 申请人: Adam J. Muff , Matthew R. Tubbs
- 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: Patterson & Sheridan, LLP
- 主分类号: G06F15/76
- IPC分类号: G06F15/76
摘要:
Embodiments of the invention provide methods and apparatus for executing a multiple operand minimum or maximum instructions. Executing the multiple operand minimum or maximum instruction comprises transferring more than two operands to one or more processing lanes of a vector unit. A first compare operation may be performed in at least one processing lane of the vector unit to determine a greater or smaller of a first operand and a second operand. The greater (or smaller) operand may be transferred to a dot product unit, wherein, in a second compare operation, the transferred operand is compared to at least a third operand to determine one of the greater and smaller of the more than two operands.
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