Configurable directory allocation

Details Configurable directory allocation Configurable directory allocation

2006-03-14

2006-03-14

Anderson, Matthew D. (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Memory configuring

C711S129000, C711S153000

Reexamination Certificate

active

07013375

ABSTRACT:
Methods, apparatus, and program product are disclosed for use in a computer system in which one or more multiprocessor nodes comprise the computer system. The methods and apparatus provide for configurable allocation of a memory in a node memory controller. In a single node implementation of the computer system, substantially all of the memory is allocated to a snoop directory used to store directory entries for cache lines used by processors in the node. In computer system implementations having more than one node, the amount of the memory allocated to the snoop directory and the amount of the memory allocated to a remote memory directory is controlled respondent to predetermined sizes respondent to the number of nodes in the computer system.

REFERENCES:
patent: 5930831 (1999-07-01), Marsh et al.
patent: 6662272 (2003-12-01), Olarig et al.

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