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PAGE MIGRATION IN A NON-UNIFORM MEMORY ACCESS (NUMA) SYSTEM
PAGE MIGRATION IN A NON-UNIFORM MEMORY ACCESS (NUMA) SYSTEM
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机译:非均匀内存访问(NUMA)系统中的页面迁移
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摘要
A page migration controller is described. The page migration controller determines whether a memory page addressed by a memory access request should be migrated from a local processing node to a requester processing node. The page migration controller accesses an array to obtain a first count associated with the addressed memory page and the requester processing node, and a second count associated with the addressed memory page and the local processing node. The first count is incremented, and then the second count is subtracted from the incremented first count to obtain a difference between the second count and the incremented first count. A comparator determines whether the difference is greater than a migration threshold value. If the difference is greater than the migration threshold value, then a migration interrupt is issued.
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