Invention Grant
US07890686B2 Dynamic priority conflict resolution in a multi-processor computer system having shared resources 有权
具有共享资源的多处理器计算机系统中的动态优先级冲突解决

  • Patent Title: Dynamic priority conflict resolution in a multi-processor computer system having shared resources
  • Patent Title (中): 具有共享资源的多处理器计算机系统中的动态优先级冲突解决
  • Application No.: US11252341
    Application Date: 2005-10-17
  • Publication No.: US07890686B2
    Publication Date: 2011-02-15
  • Inventor: Bryan Conner
  • Applicant: Bryan Conner
  • Applicant Address: US CO Colorado Springs
  • Assignee: SRC Computers, Inc.
  • Current Assignee: SRC Computers, Inc.
  • Current Assignee Address: US CO Colorado Springs
  • Agency: Hogan Lovells US LLP
  • Agent William J. Kubida
  • Main IPC: G06F13/14
  • IPC: G06F13/14
Dynamic priority conflict resolution in a multi-processor computer system having shared resources
Abstract:
A system and method for fair dynamic priority conflict resolution in a multi-processor computer system having shared resources wherein each multi-processor seeking access to said shared resource possesses a common priority level. In the occurrence of a priority tie or when a single port is active, a typical dynamic conflict resolution scheme is altered to ensure fair resolution of the conflict or tie. Upon determination that a priority conflict tie exists, one of the processor elements is selected based on a predetermined priority level. The identity of the selected processor element and the configuration of the conflict priority tie is stored. Upon a subsequent conflict priority tie having the same configuration as a previous priority conflict tie, the processor elements selected in previous ties are prevented from being selected in subsequent priority conflict ties until all of the processor elements in a particular priority tie configuration have been selected. In situations involving a single active port, established dynamic conflict resolution schemes are modified to provide fair access and reduce priority tie conflicts.
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