发明申请
US20110078696A1 WORK QUEUE SELECTION ON A LOCAL PROCESSOR WITHIN A MULTIPLE PROCESSOR ARCHITECTURE
失效
多个处理器架构中的本地处理器的工作队列选择
- 专利标题: WORK QUEUE SELECTION ON A LOCAL PROCESSOR WITHIN A MULTIPLE PROCESSOR ARCHITECTURE
- 专利标题(中): 多个处理器架构中的本地处理器的工作队列选择
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申请号: US12569554申请日: 2009-09-29
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公开(公告)号: US20110078696A1公开(公告)日: 2011-03-31
- 发明人: ROBERT A. BLACKBURN , Robert O. Dryfoos , Mark Gambino , Michael J. Shershin
- 申请人: ROBERT A. BLACKBURN , Robert O. Dryfoos , Mark Gambino , Michael J. Shershin
- 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
- 主分类号: G06F9/46
- IPC分类号: G06F9/46 ; G06F12/00
摘要:
A method and system is disclosed for selecting a work queue associated with a processor within a multiple processor architecture to assign a new task. A local and a remote queue availability flag is maintained to indicate a relative size of work queues, in relationship to a mean queue size, for each processor in a multiple processor architecture. In determining to which processor to assign a task, the processor evaluates its own queue size by examining its local queue availability flag and evaluates other processor's queue sizes by examining their remote queue availability flags. The local queue availability flags are maintained asynchronously from task assignment. Remote flags are maintained at time of task assignment. The presented algorithm provides improved local processor queue size determinations in systems where task distribution processes execute with lower priorities that other tasks.
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