Method and apparatus for microarchitecture partitioning of execution clusters

申请公布号：US7475225(B2)

申请号：US20050322768

申请日期：2005.12.30

申请公布日期：2009.01.06

申请人：

INTEL CORPORATION

发明人：JOURDAN STEPHAN J.;SODANI AVINASH;FARCY ALEXANDRE J.;HAMMARLUND PER;HILY SEBASTIEN;DAVIS MARK C.

分类号：G06F9/30

主分类号：G06F9/30

摘要：Microarchitecture policies and structures partition execution resource clusters. In disclosed microarchitecture embodiments, micro-operations representing a sequential instruction ordering are partitioned into a two sets. To one set of micro-operations execution resources are allocated from a cluster of execution resources that can perform memory access operations but not branching operations. To the other set of micro-operations execution resources are allocated from a cluster of execution resources that can perform branching operations but not memory access operations. The first and second sets of micro-operations may be executed out of sequential order but are retired to represent their sequential instruction ordering.

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