Electrical computers and digital processing systems: memory – Storage accessing and control – Memory configuring
Patent
1996-03-27
1998-07-21
Chan, Eddie P.
Electrical computers and digital processing systems: memory
Storage accessing and control
Memory configuring
711148, 395675, G06F 1202, G06F 944
Patent
active
057846979
ABSTRACT:
According to the present invention, pool allocation and process assignment mechanisms create process nodal affinity in a NUMA multiprocessor system for enhanced performance. The multiprocessor system includes multiple interconnected multiprocessing nodes that each contain one or more processors and a local main memory, the system main storage being distributed among the local main memories of the multiprocessing nodes in a NUMA architecture. A pool reservation mechanism reserves pools of memory space within the logical main storage, and the pool allocation mechanism allocates those pools to real pages in the local main-memory of multiprocessing nodes. Processes to be created on the multiprocessor are given an attribute that indicates an associated pool. Upon creation, the process assignment mechanism will only assign a process to a multiprocessing node that has been allocated the pool indicated by the process' attribute. This process nodal affinity increases accesses by the assigned process to local main storage of that node, thereby enhancing system performance.
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Funk Mark Robert
McMains Larry Keith
Morrison Donald Arthur
Petrillo Robert Anthony
Seemann Robert Carl
Chan Eddie P.
Ellis Kevin L.
International Business Machines - Corporation
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